./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8 --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 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:15:11,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:15:11,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:15:11,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:15:11,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:15:11,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:15:11,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:15:11,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:15:11,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:15:11,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:15:11,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:15:11,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:15:11,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:15:11,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:15:11,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:15:11,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:15:11,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:15:11,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:15:11,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:15:11,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:15:11,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:15:11,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:15:11,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:15:11,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:15:11,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:15:11,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:15:11,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:15:11,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:15:11,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:15:11,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:15:11,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:15:11,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:15:11,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:15:11,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:15:11,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:15:11,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:15:11,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:15:11,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:15:11,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:15:11,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:15:11,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:15:11,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:15:11,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:15:11,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:15:11,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:15:11,733 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:15:11,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:15:11,733 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:15:11,734 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:15:11,734 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:15:11,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:15:11,734 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:15:11,736 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:15:11,736 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:15:11,736 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:15:11,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:15:11,737 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:15:11,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:15:11,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:15:11,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:15:11,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:15:11,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:15:11,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:15:11,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:15:11,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:15:11,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:15:11,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:15:11,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:15:11,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:15:11,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:15:11,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:15:11,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:15:11,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:15:11,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:15:11,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:15:11,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:15:11,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:15:11,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:15:11,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:15:11,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:15:11,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:15:11,747 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_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f [2021-11-07 01:15:12,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:15:12,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:15:12,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:15:12,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:15:12,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:15:12,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-11-07 01:15:12,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/776aa2494/8cad087e238b475f9716e4da88e16b07/FLAGc0d3b0640 [2021-11-07 01:15:12,923 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:15:12,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-11-07 01:15:12,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/776aa2494/8cad087e238b475f9716e4da88e16b07/FLAGc0d3b0640 [2021-11-07 01:15:13,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/776aa2494/8cad087e238b475f9716e4da88e16b07 [2021-11-07 01:15:13,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:15:13,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:15:13,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:13,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:15:13,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:15:13,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:13" (1/1) ... [2021-11-07 01:15:13,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16045e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:13, skipping insertion in model container [2021-11-07 01:15:13,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:13" (1/1) ... [2021-11-07 01:15:13,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:15:13,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:15:13,500 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_372c4301-15b7-41b8-bf46-a080bd19ec65/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2021-11-07 01:15:13,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:13,672 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) [2021-11-07 01:15:13,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2aef9e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:13, skipping insertion in model container [2021-11-07 01:15:13,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:13,673 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:15:13,676 INFO L168 Benchmark]: Toolchain (without parser) took 493.73 ms. Allocated memory is still 98.6 MB. Free memory was 64.0 MB in the beginning and 71.2 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:13,676 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory was 71.9 MB in the beginning and 71.9 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:15:13,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.71 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 71.2 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:13,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory was 71.9 MB in the beginning and 71.9 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.71 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 71.2 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 500]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8 --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 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:15:16,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:15:16,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:15:16,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:15:16,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:15:16,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:15:16,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:15:16,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:15:16,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:15:16,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:15:16,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:15:16,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:15:16,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:15:16,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:15:16,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:15:16,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:15:16,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:15:16,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:15:16,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:15:16,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:15:16,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:15:16,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:15:16,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:15:16,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:15:16,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:15:16,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:15:16,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:15:16,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:15:16,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:15:16,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:15:16,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:15:16,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:15:16,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:15:16,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:15:16,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:15:16,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:15:16,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:15:16,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:15:16,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:15:16,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:15:16,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:15:16,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:15:16,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:15:16,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:15:16,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:15:16,555 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:15:16,555 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:15:16,556 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:15:16,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:15:16,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:15:16,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:15:16,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:15:16,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:15:16,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:15:16,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:15:16,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:15:16,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:15:16,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:15:16,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:15:16,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:15:16,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:15:16,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:15:16,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:15:16,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:15:16,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:15:16,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:15:16,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:15:16,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:15:16,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:15:16,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:15:16,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:15:16,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:15:16,564 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:15:16,564 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:15:16,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:15:16,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:15:16,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:15:16,565 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_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f [2021-11-07 01:15:17,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:15:17,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:15:17,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:15:17,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:15:17,098 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:15:17,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-11-07 01:15:17,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/4154f78f5/e2e88c94df9647e489e257a113caedf4/FLAG9743d83c2 [2021-11-07 01:15:17,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:15:17,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-11-07 01:15:17,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/4154f78f5/e2e88c94df9647e489e257a113caedf4/FLAG9743d83c2 [2021-11-07 01:15:18,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/data/4154f78f5/e2e88c94df9647e489e257a113caedf4 [2021-11-07 01:15:18,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:15:18,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:15:18,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:18,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:15:18,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:15:18,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:18" (1/1) ... [2021-11-07 01:15:18,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fe80a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:18, skipping insertion in model container [2021-11-07 01:15:18,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:18" (1/1) ... [2021-11-07 01:15:18,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:15:18,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:15:18,495 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_372c4301-15b7-41b8-bf46-a080bd19ec65/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2021-11-07 01:15:18,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:18,752 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:15:18,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:15:18,793 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_372c4301-15b7-41b8-bf46-a080bd19ec65/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2021-11-07 01:15:18,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:18,892 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:15:18,907 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_372c4301-15b7-41b8-bf46-a080bd19ec65/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2021-11-07 01:15:18,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:19,026 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:15:19,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19 WrapperNode [2021-11-07 01:15:19,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:19,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:15:19,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:15:19,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:15:19,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:15:19,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:15:19,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:15:19,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:15:19,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:15:19,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:15:19,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:15:19,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:15:19,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (1/1) ... [2021-11-07 01:15:19,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:15:19,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:15:19,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:15:19,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:15:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:15:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:15:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:15:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:15:21,994 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:15:21,994 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-07 01:15:21,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:15:21 BoogieIcfgContainer [2021-11-07 01:15:21,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:15:22,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:15:22,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:15:22,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:15:22,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:15:18" (1/3) ... [2021-11-07 01:15:22,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91ec197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:15:22, skipping insertion in model container [2021-11-07 01:15:22,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:19" (2/3) ... [2021-11-07 01:15:22,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91ec197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:15:22, skipping insertion in model container [2021-11-07 01:15:22,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:15:21" (3/3) ... [2021-11-07 01:15:22,011 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2021-11-07 01:15:22,018 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:15:22,019 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:15:22,096 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:15:22,109 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:15:22,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:15:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-11-07 01:15:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:15:22,157 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:22,158 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:22,159 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-11-07 01:15:22,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:22,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774466079] [2021-11-07 01:15:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:22,188 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:22,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:22,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:15:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:22,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:15:22,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:22,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:22,664 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:22,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774466079] [2021-11-07 01:15:22,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774466079] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:22,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:22,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:15:22,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517172442] [2021-11-07 01:15:22,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:15:22,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:22,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:15:22,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:15:22,701 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-07 01:15:22,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:22,748 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-11-07 01:15:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:15:22,750 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 [2021-11-07 01:15:22,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:22,763 INFO L225 Difference]: With dead ends: 144 [2021-11-07 01:15:22,763 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:15:22,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:15:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:15:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:15:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-11-07 01:15:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-11-07 01:15:22,822 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-11-07 01:15:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:22,823 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-07 01:15:22,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-11-07 01:15:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-11-07 01:15:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:15:22,826 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:22,826 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:22,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:23,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:23,046 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-11-07 01:15:23,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:23,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101573550] [2021-11-07 01:15:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:23,050 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:23,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:23,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:15:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:23,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:23,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:23,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:23,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:23,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101573550] [2021-11-07 01:15:23,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101573550] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:23,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:23,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:15:23,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881309848] [2021-11-07 01:15:23,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:15:23,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:23,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:15:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:23,483 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) [2021-11-07 01:15:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:23,514 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-11-07 01:15:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:23,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-11-07 01:15:23,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:23,516 INFO L225 Difference]: With dead ends: 71 [2021-11-07 01:15:23,516 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:15:23,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:23,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:15:23,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:15:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-11-07 01:15:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:15:23,532 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-11-07 01:15:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:23,532 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:15:23,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-11-07 01:15:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:15:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:15:23,535 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:23,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:23,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:23,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:23,740 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:23,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:23,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-11-07 01:15:23,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:23,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105933286] [2021-11-07 01:15:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:23,742 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:23,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:23,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:15:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:24,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:24,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:24,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:24,206 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:24,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105933286] [2021-11-07 01:15:24,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105933286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:24,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:24,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:15:24,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382549739] [2021-11-07 01:15:24,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:15:24,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:24,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:15:24,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:24,212 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-11-07 01:15:24,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:24,262 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-11-07 01:15:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:24,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) Word has length 22 [2021-11-07 01:15:24,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:24,264 INFO L225 Difference]: With dead ends: 60 [2021-11-07 01:15:24,264 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:15:24,265 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:15:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:15:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-11-07 01:15:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:15:24,279 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-11-07 01:15:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:24,279 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:15:24,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 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) [2021-11-07 01:15:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:15:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:15:24,283 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:24,284 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:24,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:24,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:24,513 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:24,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:24,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-11-07 01:15:24,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:24,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86086685] [2021-11-07 01:15:24,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:24,515 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:24,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:24,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:24,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:15:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:24,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:15:24,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:24,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:25,042 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:25,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86086685] [2021-11-07 01:15:25,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86086685] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:25,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:25,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:15:25,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444720921] [2021-11-07 01:15:25,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:15:25,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:15:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:15:25,045 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-11-07 01:15:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:25,371 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-11-07 01:15:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:15:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 23 [2021-11-07 01:15:25,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:25,377 INFO L225 Difference]: With dead ends: 220 [2021-11-07 01:15:25,379 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 01:15:25,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:15:25,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 01:15:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2021-11-07 01:15:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 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) [2021-11-07 01:15:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-11-07 01:15:25,405 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2021-11-07 01:15:25,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:25,406 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-11-07 01:15:25,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-11-07 01:15:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-11-07 01:15:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:15:25,409 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:25,409 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:25,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:15:25,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:25,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:25,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:25,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2021-11-07 01:15:25,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:25,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106793872] [2021-11-07 01:15:25,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:25,626 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:25,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:25,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:25,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:15:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:25,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:25,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:25,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:26,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:26,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106793872] [2021-11-07 01:15:26,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106793872] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:26,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:26,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:15:26,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707783383] [2021-11-07 01:15:26,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:15:26,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:15:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:26,010 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2021-11-07 01:15:27,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:27,663 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2021-11-07 01:15:27,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:27,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2021-11-07 01:15:27,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:27,666 INFO L225 Difference]: With dead ends: 202 [2021-11-07 01:15:27,666 INFO L226 Difference]: Without dead ends: 130 [2021-11-07 01:15:27,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-11-07 01:15:27,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2021-11-07 01:15:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 127 states have internal predecessors, (177), 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) [2021-11-07 01:15:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2021-11-07 01:15:27,688 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2021-11-07 01:15:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:27,688 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2021-11-07 01:15:27,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-07 01:15:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2021-11-07 01:15:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:15:27,691 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:27,691 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:27,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:27,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:27,914 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:27,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:27,915 INFO L85 PathProgramCache]: Analyzing trace with hash -69063013, now seen corresponding path program 1 times [2021-11-07 01:15:27,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:27,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99479053] [2021-11-07 01:15:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:27,919 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:27,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:27,922 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:27,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:15:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:28,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:28,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:28,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:28,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:28,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99479053] [2021-11-07 01:15:28,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99479053] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:28,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:28,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:15:28,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196052737] [2021-11-07 01:15:28,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:15:28,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:15:28,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:28,401 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-07 01:15:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:28,416 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2021-11-07 01:15:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:28,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-07 01:15:28,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:28,417 INFO L225 Difference]: With dead ends: 182 [2021-11-07 01:15:28,418 INFO L226 Difference]: Without dead ends: 60 [2021-11-07 01:15:28,419 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:28,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-07 01:15:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-11-07 01:15:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 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) [2021-11-07 01:15:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-11-07 01:15:28,429 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2021-11-07 01:15:28,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:28,430 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-11-07 01:15:28,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-07 01:15:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-07 01:15:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:15:28,432 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:28,432 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:28,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:28,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:28,647 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2021-11-07 01:15:28,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:28,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976968768] [2021-11-07 01:15:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:28,649 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:28,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:28,651 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:28,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:15:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:28,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:15:28,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:29,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:15:29,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:29,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976968768] [2021-11-07 01:15:29,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976968768] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:15:29,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1333577497] [2021-11-07 01:15:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:29,331 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:15:29,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:15:29,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:15:29,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:15:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:29,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:15:29,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:15:29,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:15:29,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1333577497] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:29,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:15:29,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:15:29,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592166760] [2021-11-07 01:15:29,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:15:29,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:29,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:15:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:15:29,977 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-11-07 01:15:30,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:30,088 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-11-07 01:15:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:15:30,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 39 [2021-11-07 01:15:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:30,090 INFO L225 Difference]: With dead ends: 118 [2021-11-07 01:15:30,090 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:15:30,092 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:15:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:15:30,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:15:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:15:30,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-07 01:15:30,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:30,096 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:15:30,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-11-07 01:15:30,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:15:30,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:15:30,101 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:15:30,102 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:15:30,102 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:15:30,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-07 01:15:30,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:30,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:30,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:15:30,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:30,933 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-11-07 01:15:30,933 INFO L853 garLoopResultBuilder]: At program point L250(lines 245 253) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,933 INFO L853 garLoopResultBuilder]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2021-11-07 01:15:30,934 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:15:30,934 INFO L853 garLoopResultBuilder]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2021-11-07 01:15:30,934 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 429) no Hoare annotation was computed. [2021-11-07 01:15:30,934 INFO L853 garLoopResultBuilder]: At program point L416-1(lines 1 932) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,934 INFO L857 garLoopResultBuilder]: For program point L416-2(lines 416 429) no Hoare annotation was computed. [2021-11-07 01:15:30,934 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:15:30,935 INFO L853 garLoopResultBuilder]: At program point L416-3(lines 1 932) the Hoare annotation is: false [2021-11-07 01:15:30,935 INFO L857 garLoopResultBuilder]: For program point L416-4(lines 416 429) no Hoare annotation was computed. [2021-11-07 01:15:30,935 INFO L853 garLoopResultBuilder]: At program point L416-5(lines 1 932) the Hoare annotation is: false [2021-11-07 01:15:30,935 INFO L860 garLoopResultBuilder]: At program point L929(lines 910 932) the Hoare annotation is: true [2021-11-07 01:15:30,935 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-07 01:15:30,935 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-07 01:15:30,935 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-07 01:15:30,936 INFO L853 garLoopResultBuilder]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,936 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2021-11-07 01:15:30,936 INFO L853 garLoopResultBuilder]: At program point L897(lines 893 899) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,936 INFO L853 garLoopResultBuilder]: At program point L154(lines 154 160) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,936 INFO L853 garLoopResultBuilder]: At program point L154-1(lines 154 160) the Hoare annotation is: false [2021-11-07 01:15:30,936 INFO L853 garLoopResultBuilder]: At program point L154-2(lines 154 160) the Hoare annotation is: false [2021-11-07 01:15:30,937 INFO L853 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2021-11-07 01:15:30,937 INFO L853 garLoopResultBuilder]: At program point L403(lines 398 406) the Hoare annotation is: false [2021-11-07 01:15:30,937 INFO L853 garLoopResultBuilder]: At program point L403-1(lines 398 406) the Hoare annotation is: false [2021-11-07 01:15:30,937 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-11-07 01:15:30,937 INFO L853 garLoopResultBuilder]: At program point L403-2(lines 398 406) the Hoare annotation is: false [2021-11-07 01:15:30,937 INFO L853 garLoopResultBuilder]: At program point L849-2(lines 849 863) the Hoare annotation is: false [2021-11-07 01:15:30,937 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 426) no Hoare annotation was computed. [2021-11-07 01:15:30,938 INFO L857 garLoopResultBuilder]: For program point L420-2(lines 420 426) no Hoare annotation was computed. [2021-11-07 01:15:30,938 INFO L857 garLoopResultBuilder]: For program point L420-4(lines 420 426) no Hoare annotation was computed. [2021-11-07 01:15:30,938 INFO L857 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2021-11-07 01:15:30,938 INFO L853 garLoopResultBuilder]: At program point L305(lines 290 308) the Hoare annotation is: false [2021-11-07 01:15:30,938 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 290 308) the Hoare annotation is: false [2021-11-07 01:15:30,938 INFO L853 garLoopResultBuilder]: At program point L305-2(lines 290 308) the Hoare annotation is: false [2021-11-07 01:15:30,938 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:15:30,939 INFO L857 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2021-11-07 01:15:30,939 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:15:30,939 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-07 01:15:30,939 INFO L857 garLoopResultBuilder]: For program point L853(lines 853 857) no Hoare annotation was computed. [2021-11-07 01:15:30,939 INFO L857 garLoopResultBuilder]: For program point L853-1(lines 147 153) no Hoare annotation was computed. [2021-11-07 01:15:30,939 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:15:30,940 INFO L857 garLoopResultBuilder]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:15:30,940 INFO L857 garLoopResultBuilder]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2021-11-07 01:15:30,940 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2021-11-07 01:15:30,940 INFO L853 garLoopResultBuilder]: At program point L94-1(lines 94 100) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,940 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:15:30,940 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 927) no Hoare annotation was computed. [2021-11-07 01:15:30,940 INFO L860 garLoopResultBuilder]: At program point L920-1(lines 920 927) the Hoare annotation is: true [2021-11-07 01:15:30,941 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2021-11-07 01:15:30,941 INFO L853 garLoopResultBuilder]: At program point L112-2(lines 147 153) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,941 INFO L853 garLoopResultBuilder]: At program point L459(lines 1 932) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,941 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 196) no Hoare annotation was computed. [2021-11-07 01:15:30,964 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 196) no Hoare annotation was computed. [2021-11-07 01:15:30,964 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 196) no Hoare annotation was computed. [2021-11-07 01:15:30,964 INFO L853 garLoopResultBuilder]: At program point L394(lines 389 397) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,965 INFO L853 garLoopResultBuilder]: At program point L394-1(lines 389 397) the Hoare annotation is: false [2021-11-07 01:15:30,965 INFO L853 garLoopResultBuilder]: At program point L394-2(lines 389 397) the Hoare annotation is: false [2021-11-07 01:15:30,965 INFO L853 garLoopResultBuilder]: At program point L147(lines 146 165) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,965 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 147 153) no Hoare annotation was computed. [2021-11-07 01:15:30,965 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 146 165) the Hoare annotation is: false [2021-11-07 01:15:30,965 INFO L853 garLoopResultBuilder]: At program point L147-3(lines 146 165) the Hoare annotation is: false [2021-11-07 01:15:30,966 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:15:30,966 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:15:30,966 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2021-11-07 01:15:30,966 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 183 191) no Hoare annotation was computed. [2021-11-07 01:15:30,966 INFO L857 garLoopResultBuilder]: For program point L183-2(lines 183 191) no Hoare annotation was computed. [2021-11-07 01:15:30,966 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2021-11-07 01:15:30,967 INFO L853 garLoopResultBuilder]: At program point L84-1(lines 84 90) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:30,967 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-11-07 01:15:30,967 INFO L857 garLoopResultBuilder]: For program point L299-2(lines 299 303) no Hoare annotation was computed. [2021-11-07 01:15:30,967 INFO L857 garLoopResultBuilder]: For program point L299-3(lines 299 303) no Hoare annotation was computed. [2021-11-07 01:15:30,967 INFO L857 garLoopResultBuilder]: For program point L299-5(lines 299 303) no Hoare annotation was computed. [2021-11-07 01:15:30,967 INFO L857 garLoopResultBuilder]: For program point L299-6(lines 299 303) no Hoare annotation was computed. [2021-11-07 01:15:30,968 INFO L857 garLoopResultBuilder]: For program point L299-8(lines 299 303) no Hoare annotation was computed. [2021-11-07 01:15:30,972 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:30,974 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:15:30,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:15:30 BoogieIcfgContainer [2021-11-07 01:15:30,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:15:30,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:15:30,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:15:30,993 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:15:30,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:15:21" (3/4) ... [2021-11-07 01:15:30,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:15:31,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:15:31,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:15:31,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:15:31,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:15:31,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:15:31,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:15:31,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:15:31,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:15:31,104 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:15:31,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:15:31,106 INFO L168 Benchmark]: Toolchain (without parser) took 12946.60 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 36.1 MB in the beginning and 63.6 MB in the end (delta: -27.5 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,107 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:15:31,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.75 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.9 MB in the beginning and 45.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.11 ms. Allocated memory is still 75.5 MB. Free memory was 45.9 MB in the beginning and 43.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,109 INFO L168 Benchmark]: Boogie Preprocessor took 90.43 ms. Allocated memory is still 75.5 MB. Free memory was 43.1 MB in the beginning and 40.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,110 INFO L168 Benchmark]: RCFGBuilder took 2762.67 ms. Allocated memory is still 75.5 MB. Free memory was 40.8 MB in the beginning and 52.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,110 INFO L168 Benchmark]: TraceAbstraction took 8989.96 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.5 MB in the beginning and 69.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,111 INFO L168 Benchmark]: Witness Printer took 111.74 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 63.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:31,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.75 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.9 MB in the beginning and 45.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.11 ms. Allocated memory is still 75.5 MB. Free memory was 45.9 MB in the beginning and 43.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.43 ms. Allocated memory is still 75.5 MB. Free memory was 43.1 MB in the beginning and 40.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2762.67 ms. Allocated memory is still 75.5 MB. Free memory was 40.8 MB in the beginning and 52.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8989.96 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.5 MB in the beginning and 69.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 49.7 MB. Max. memory is 16.1 GB. * Witness Printer took 111.74 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 63.6 MB in the end (delta: 6.3 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 549 SDslu, 492 SDs, 0 SdLazy, 116 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2069 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1622 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:15:31,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_372c4301-15b7-41b8-bf46-a080bd19ec65/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE