./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-2.i --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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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 b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:34:31,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:34:31,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:34:31,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:34:31,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:34:31,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:34:31,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:34:31,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:34:31,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:34:31,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:34:31,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:34:31,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:34:31,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:34:31,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:34:31,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:34:31,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:34:31,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:34:31,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:34:31,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:34:31,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:34:31,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:34:31,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:34:31,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:34:31,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:34:31,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:34:31,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:34:31,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:34:31,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:34:31,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:34:31,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:34:31,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:34:31,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:34:31,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:34:31,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:34:31,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:34:31,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:34:31,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:34:31,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:34:31,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:34:31,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:34:31,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:34:31,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:34:31,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:34:31,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:34:31,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:34:31,790 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:34:31,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:34:31,791 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:34:31,791 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:34:31,791 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:34:31,799 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:34:31,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:34:31,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:34:31,802 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:34:31,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:34:31,803 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:34:31,803 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:34:31,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:34:31,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:34:31,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:34:31,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:34:31,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:34:31,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:34:31,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:34:31,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:34:31,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:34:31,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:34:31,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:34:31,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:34:31,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:34:31,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:34:31,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:34:31,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:34:31,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:34:31,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:34:31,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:34:31,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:34:31,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:34:31,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:34:31,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:34:31,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:34:31,815 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff [2021-11-07 01:34:32,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:34:32,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:34:32,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:34:32,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:34:32,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:34:32,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-sets/test_add-2.i [2021-11-07 01:34:32,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/0dfcd4833/a85a7e8f9c7e424d9fbe9ad867755e86/FLAGf7f6fea01 [2021-11-07 01:34:32,920 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:34:32,921 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/sv-benchmarks/c/ldv-sets/test_add-2.i [2021-11-07 01:34:32,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/0dfcd4833/a85a7e8f9c7e424d9fbe9ad867755e86/FLAGf7f6fea01 [2021-11-07 01:34:33,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/0dfcd4833/a85a7e8f9c7e424d9fbe9ad867755e86 [2021-11-07 01:34:33,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:34:33,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:34:33,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:33,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:34:33,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:34:33,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:33" (1/1) ... [2021-11-07 01:34:33,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715e65cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33, skipping insertion in model container [2021-11-07 01:34:33,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:33" (1/1) ... [2021-11-07 01:34:33,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:34:33,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:34:33,803 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/sv-benchmarks/c/ldv-sets/test_add-2.i[25793,25806] [2021-11-07 01:34:33,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:33,820 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 01:34:33,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26329ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:33, skipping insertion in model container [2021-11-07 01:34:33,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:33,822 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:34:33,824 INFO L168 Benchmark]: Toolchain (without parser) took 632.83 ms. Allocated memory is still 90.2 MB. Free memory was 67.0 MB in the beginning and 59.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:33,825 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 90.2 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:34:33,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.35 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 59.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:33,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 90.2 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.35 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 59.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 635]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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 b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:34:36,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:34:36,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:34:36,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:34:36,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:34:36,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:34:36,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:34:36,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:34:36,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:34:36,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:34:36,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:34:36,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:34:36,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:34:36,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:34:36,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:34:36,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:34:36,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:34:36,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:34:36,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:34:36,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:34:36,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:34:36,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:34:36,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:34:36,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:34:36,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:34:36,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:34:36,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:34:36,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:34:36,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:34:36,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:34:36,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:34:36,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:34:36,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:34:36,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:34:36,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:34:36,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:34:36,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:34:36,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:34:36,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:34:36,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:34:36,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:34:36,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:34:36,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:34:36,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:34:36,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:34:36,974 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:34:36,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:34:36,975 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:34:36,975 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:34:36,975 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:34:36,976 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:34:36,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:34:36,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:34:36,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:34:36,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:34:36,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:34:36,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:34:36,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:34:36,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:34:36,981 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:34:36,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:34:36,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:34:36,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:34:36,982 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:34:36,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:34:36,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:34:36,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:34:36,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:34:36,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:34:36,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:34:36,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:34:36,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:34:36,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:34:36,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:36,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:34:36,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:34:36,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:34:36,987 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff [2021-11-07 01:34:37,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:34:37,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:34:37,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:34:37,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:34:37,515 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:34:37,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-sets/test_add-2.i [2021-11-07 01:34:37,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/b2a488609/1b5bd256f45548c0b1fb311eaab20300/FLAG73dd2f433 [2021-11-07 01:34:38,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:34:38,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/sv-benchmarks/c/ldv-sets/test_add-2.i [2021-11-07 01:34:38,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/b2a488609/1b5bd256f45548c0b1fb311eaab20300/FLAG73dd2f433 [2021-11-07 01:34:38,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/data/b2a488609/1b5bd256f45548c0b1fb311eaab20300 [2021-11-07 01:34:38,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:34:38,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:34:38,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:38,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:34:38,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:34:38,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:38" (1/1) ... [2021-11-07 01:34:38,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c227fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:38, skipping insertion in model container [2021-11-07 01:34:38,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:34:38" (1/1) ... [2021-11-07 01:34:38,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:34:38,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:34:39,077 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/sv-benchmarks/c/ldv-sets/test_add-2.i[25793,25806] [2021-11-07 01:34:39,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:39,111 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:34:39,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:34:39,169 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/sv-benchmarks/c/ldv-sets/test_add-2.i[25793,25806] [2021-11-07 01:34:39,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:39,177 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:34:39,235 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_5f225cec-63d5-4f2b-9022-b19bd9cd0644/sv-benchmarks/c/ldv-sets/test_add-2.i[25793,25806] [2021-11-07 01:34:39,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:34:39,281 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:34:39,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39 WrapperNode [2021-11-07 01:34:39,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:34:39,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:34:39,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:34:39,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:34:39,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:34:39,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:34:39,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:34:39,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:34:39,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:34:39,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:34:39,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:34:39,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:34:39,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (1/1) ... [2021-11-07 01:34:39,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:34:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:34:39,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:34:39,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:34:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:34:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:34:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:34:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:34:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:34:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:34:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:34:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:34:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:34:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:34:40,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:34:40,449 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-11-07 01:34:40,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:40 BoogieIcfgContainer [2021-11-07 01:34:40,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:34:40,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:34:40,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:34:40,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:34:40,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:34:38" (1/3) ... [2021-11-07 01:34:40,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e210650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:40, skipping insertion in model container [2021-11-07 01:34:40,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:34:39" (2/3) ... [2021-11-07 01:34:40,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e210650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:34:40, skipping insertion in model container [2021-11-07 01:34:40,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:34:40" (3/3) ... [2021-11-07 01:34:40,461 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2021-11-07 01:34:40,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:34:40,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:34:40,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:34:40,560 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 01:34:40,560 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:34:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:34:40,600 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:40,600 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:40,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:40,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:40,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1191041087, now seen corresponding path program 1 times [2021-11-07 01:34:40,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:40,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961134353] [2021-11-07 01:34:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:40,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:40,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:40,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:40,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:34:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:40,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:34:40,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:40,880 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 01:34:40,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:40,976 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 01:34:40,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:40,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961134353] [2021-11-07 01:34:40,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961134353] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:40,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:40,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:34:40,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306354558] [2021-11-07 01:34:40,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:34:40,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:41,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:34:41,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:34:41,018 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:41,045 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-11-07 01:34:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:34:41,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:34:41,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:41,060 INFO L225 Difference]: With dead ends: 45 [2021-11-07 01:34:41,060 INFO L226 Difference]: Without dead ends: 21 [2021-11-07 01:34:41,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 01:34:41,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-07 01:34:41,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-07 01:34:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-11-07 01:34:41,110 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2021-11-07 01:34:41,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:41,111 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-11-07 01:34:41,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-07 01:34:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:34:41,114 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:41,114 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:41,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:41,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:41,332 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:41,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:41,336 INFO L85 PathProgramCache]: Analyzing trace with hash -942277654, now seen corresponding path program 1 times [2021-11-07 01:34:41,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:41,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990470404] [2021-11-07 01:34:41,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:41,340 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:41,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:41,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:34:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:41,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:34:41,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:41,589 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 01:34:41,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:41,651 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 01:34:41,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:41,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990470404] [2021-11-07 01:34:41,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990470404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:41,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:41,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:34:41,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309872391] [2021-11-07 01:34:41,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:41,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:41,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:41,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:41,663 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:41,738 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2021-11-07 01:34:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:34:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:34:41,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:41,747 INFO L225 Difference]: With dead ends: 41 [2021-11-07 01:34:41,747 INFO L226 Difference]: Without dead ends: 32 [2021-11-07 01:34:41,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-07 01:34:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-11-07 01:34:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-11-07 01:34:41,757 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-11-07 01:34:41,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:41,757 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-11-07 01:34:41,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-07 01:34:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:34:41,759 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:41,759 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:41,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:41,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:41,970 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash 239429152, now seen corresponding path program 1 times [2021-11-07 01:34:41,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:41,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103234596] [2021-11-07 01:34:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:41,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:41,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:41,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:42,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:34:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:42,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 01:34:42,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:42,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:34:42,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-11-07 01:34:42,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-07 01:34:42,374 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 01:34:42,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:42,535 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 01:34:42,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:42,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103234596] [2021-11-07 01:34:42,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103234596] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:42,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:42,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:34:42,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269041946] [2021-11-07 01:34:42,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:34:42,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:42,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:34:42,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:34:42,547 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:44,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:44,623 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2021-11-07 01:34:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:34:44,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:34:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:44,632 INFO L225 Difference]: With dead ends: 44 [2021-11-07 01:34:44,632 INFO L226 Difference]: Without dead ends: 23 [2021-11-07 01:34:44,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-07 01:34:44,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2021-11-07 01:34:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-07 01:34:44,638 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2021-11-07 01:34:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:44,638 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-07 01:34:44,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-07 01:34:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:34:44,641 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:44,641 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:44,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:34:44,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:44,842 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:44,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:44,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1232200096, now seen corresponding path program 1 times [2021-11-07 01:34:44,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:44,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681499742] [2021-11-07 01:34:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:44,844 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:44,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:44,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:34:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:45,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-07 01:34:45,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:45,145 INFO L354 Elim1Store]: treesize reduction 78, result has 28.4 percent of original size [2021-11-07 01:34:45,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 36 [2021-11-07 01:34:45,528 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 01:34:45,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-07 01:34:49,240 INFO L354 Elim1Store]: treesize reduction 193, result has 15.0 percent of original size [2021-11-07 01:34:49,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 45 [2021-11-07 01:34:49,651 INFO L354 Elim1Store]: treesize reduction 54, result has 33.3 percent of original size [2021-11-07 01:34:49,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 50 [2021-11-07 01:34:49,740 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 01:34:49,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:49,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12818 treesize of output 12690 [2021-11-07 01:34:54,123 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 01:34:54,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:54,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681499742] [2021-11-07 01:34:54,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681499742] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:54,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:54,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-07 01:34:54,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622512677] [2021-11-07 01:34:54,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:34:54,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:54,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:34:54,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:34:54,127 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:55,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:55,775 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-11-07 01:34:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:34:55,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:34:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:55,778 INFO L225 Difference]: With dead ends: 31 [2021-11-07 01:34:55,778 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:34:55,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:34:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:34:55,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-11-07 01:34:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-11-07 01:34:55,786 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 16 [2021-11-07 01:34:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:55,787 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-11-07 01:34:55,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-07 01:34:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:34:55,788 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:55,788 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:55,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:56,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:56,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:56,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:56,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1233808810, now seen corresponding path program 1 times [2021-11-07 01:34:56,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:56,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366529203] [2021-11-07 01:34:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:56,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:56,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:56,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:34:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:56,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:34:56,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:56,243 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 01:34:56,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:56,303 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 01:34:56,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:56,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366529203] [2021-11-07 01:34:56,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366529203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:56,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:56,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:34:56,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894281252] [2021-11-07 01:34:56,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:34:56,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:56,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:34:56,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:34:56,307 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:56,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:56,354 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-11-07 01:34:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:34:56,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:34:56,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:56,356 INFO L225 Difference]: With dead ends: 24 [2021-11-07 01:34:56,356 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:34:56,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:34:56,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:34:56,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-07 01:34:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 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 01:34:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-11-07 01:34:56,363 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 16 [2021-11-07 01:34:56,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:56,364 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-11-07 01:34:56,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-11-07 01:34:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:34:56,365 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:56,365 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:56,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:56,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:56,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:56,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:56,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1654632530, now seen corresponding path program 1 times [2021-11-07 01:34:56,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:56,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566154173] [2021-11-07 01:34:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:56,569 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:56,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:56,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:56,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f225cec-63d5-4f2b-9022-b19bd9cd0644/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:34:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:56,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-07 01:34:56,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:56,955 INFO L354 Elim1Store]: treesize reduction 78, result has 28.4 percent of original size [2021-11-07 01:34:56,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 36 [2021-11-07 01:34:57,375 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 01:34:57,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-07 01:35:01,452 INFO L354 Elim1Store]: treesize reduction 184, result has 15.2 percent of original size [2021-11-07 01:35:01,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 384 treesize of output 343 [2021-11-07 01:35:01,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:01,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 806 [2021-11-07 01:35:02,727 INFO L354 Elim1Store]: treesize reduction 138, result has 15.9 percent of original size [2021-11-07 01:35:02,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 330350 treesize of output 188884 [2021-11-07 01:35:23,490 WARN L207 SmtUtils]: Spent 20.05 s on a formula simplification. DAG size of input: 169 DAG size of output: 78 [2021-11-07 01:35:23,492 INFO L354 Elim1Store]: treesize reduction 803, result has 18.3 percent of original size [2021-11-07 01:35:23,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 191193 treesize of output 117679 [2021-11-07 01:35:31,662 WARN L207 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 267 DAG size of output: 127 [2021-11-07 01:35:31,663 INFO L354 Elim1Store]: treesize reduction 852, result has 25.6 percent of original size [2021-11-07 01:35:31,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 134124 treesize of output 75094 [2021-11-07 01:35:36,513 INFO L354 Elim1Store]: treesize reduction 172, result has 30.1 percent of original size [2021-11-07 01:35:36,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 75147 treesize of output 73811 [2021-11-07 01:35:37,068 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-07 01:35:41,393 INFO L354 Elim1Store]: treesize reduction 172, result has 30.1 percent of original size [2021-11-07 01:35:41,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 73832 treesize of output 62640 [2021-11-07 01:35:42,069 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 01:35:42,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62670 treesize of output 62366 [2021-11-07 01:35:46,954 INFO L354 Elim1Store]: treesize reduction 204, result has 27.7 percent of original size [2021-11-07 01:35:46,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 62646 treesize of output 59902 [2021-11-07 01:35:47,618 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 01:35:47,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59914 treesize of output 59612 [2021-11-07 01:35:48,159 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 01:35:48,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59890 treesize of output 59590 [2021-11-07 01:35:48,740 INFO L883 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-07 01:35:48,801 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 01:35:48,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59866 treesize of output 59568 [2021-11-07 01:35:53,456 INFO L354 Elim1Store]: treesize reduction 188, result has 28.8 percent of original size [2021-11-07 01:35:53,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 59553 treesize of output 53993 [2021-11-07 01:35:57,431 INFO L354 Elim1Store]: treesize reduction 206, result has 24.8 percent of original size [2021-11-07 01:35:57,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 54005 treesize of output 52407 [2021-11-07 01:35:57,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52374 treesize of output 52341 [2021-11-07 01:36:02,086 INFO L354 Elim1Store]: treesize reduction 268, result has 25.8 percent of original size [2021-11-07 01:36:02,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 27 case distinctions, treesize of input 52699 treesize of output 52143 [2021-11-07 01:36:02,635 INFO L883 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-07 01:36:03,044 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:03,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52312 treesize of output 52309 [2021-11-07 01:36:05,630 INFO L354 Elim1Store]: treesize reduction 336, result has 23.8 percent of original size [2021-11-07 01:36:05,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 52297 treesize of output 50335 [2021-11-07 01:36:06,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50330 [2021-11-07 01:36:09,839 INFO L354 Elim1Store]: treesize reduction 247, result has 27.1 percent of original size [2021-11-07 01:36:09,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 50330 treesize of output 49893 [2021-11-07 01:36:11,374 INFO L354 Elim1Store]: treesize reduction 140, result has 20.5 percent of original size [2021-11-07 01:36:11,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 49890 treesize of output 49878 [2021-11-07 01:36:14,224 INFO L354 Elim1Store]: treesize reduction 336, result has 23.8 percent of original size [2021-11-07 01:36:14,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 49859 treesize of output 48921 [2021-11-07 01:36:14,472 INFO L883 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-07 01:36:17,307 INFO L354 Elim1Store]: treesize reduction 249, result has 26.5 percent of original size [2021-11-07 01:36:17,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 48915 treesize of output 44892 [2021-11-07 01:36:27,928 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-07 01:36:28,480 INFO L354 Elim1Store]: treesize reduction 14, result has 76.3 percent of original size [2021-11-07 01:36:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 68 [2021-11-07 01:36:30,460 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-11-07 01:36:30,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2021-11-07 01:36:35,469 INFO L244 Elim1Store]: Index analysis took 409 ms [2021-11-07 01:36:36,516 INFO L354 Elim1Store]: treesize reduction 58, result has 38.9 percent of original size [2021-11-07 01:36:36,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 63 [2021-11-07 01:36:38,080 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-07 01:36:38,388 INFO L354 Elim1Store]: treesize reduction 28, result has 42.9 percent of original size [2021-11-07 01:36:38,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 44 [2021-11-07 01:36:44,851 INFO L244 Elim1Store]: Index analysis took 654 ms [2021-11-07 01:36:46,135 INFO L354 Elim1Store]: treesize reduction 56, result has 50.4 percent of original size [2021-11-07 01:36:46,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 83 [2021-11-07 01:36:48,709 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-07 01:36:49,469 INFO L354 Elim1Store]: treesize reduction 32, result has 50.8 percent of original size [2021-11-07 01:36:49,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 56 [2021-11-07 01:36:57,402 INFO L244 Elim1Store]: Index analysis took 578 ms [2021-11-07 01:36:58,556 INFO L354 Elim1Store]: treesize reduction 114, result has 30.1 percent of original size [2021-11-07 01:36:58,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 54 treesize of output 78 [2021-11-07 01:37:01,077 INFO L244 Elim1Store]: Index analysis took 342 ms [2021-11-07 01:37:01,960 INFO L354 Elim1Store]: treesize reduction 70, result has 32.0 percent of original size [2021-11-07 01:37:01,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 59 [2021-11-07 01:37:10,800 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-11-07 01:37:10,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2021-11-07 01:37:11,516 INFO L354 Elim1Store]: treesize reduction 26, result has 39.5 percent of original size [2021-11-07 01:37:11,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 40 [2021-11-07 01:37:14,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-11-07 01:37:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:14,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2021-11-07 01:37:18,023 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-07 01:37:18,559 INFO L354 Elim1Store]: treesize reduction 30, result has 49.2 percent of original size [2021-11-07 01:37:18,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 52 [2021-11-07 01:37:19,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2021-11-07 01:37:24,333 INFO L244 Elim1Store]: Index analysis took 375 ms [2021-11-07 01:37:24,993 INFO L354 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2021-11-07 01:37:24,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 55 [2021-11-07 01:37:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:26,305 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-07 01:37:26,611 INFO L354 Elim1Store]: treesize reduction 25, result has 32.4 percent of original size [2021-11-07 01:37:26,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 36 [2021-11-07 01:37:33,933 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-07 01:37:34,282 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-07 01:37:34,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 54 treesize of output 50 [2021-11-07 01:37:35,205 INFO L354 Elim1Store]: treesize reduction 19, result has 29.6 percent of original size [2021-11-07 01:37:35,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 41 [2021-11-07 01:37:38,357 INFO L244 Elim1Store]: Index analysis took 402 ms [2021-11-07 01:37:39,133 INFO L354 Elim1Store]: treesize reduction 90, result has 24.4 percent of original size [2021-11-07 01:37:39,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 63 treesize of output 67 [2021-11-07 01:37:40,443 INFO L244 Elim1Store]: Index analysis took 203 ms [2021-11-07 01:37:40,959 INFO L354 Elim1Store]: treesize reduction 46, result has 33.3 percent of original size [2021-11-07 01:37:40,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 56 treesize of output 58 [2021-11-07 01:37:46,663 INFO L244 Elim1Store]: Index analysis took 215 ms [2021-11-07 01:37:47,275 INFO L354 Elim1Store]: treesize reduction 34, result has 46.0 percent of original size [2021-11-07 01:37:47,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 54 treesize of output 64 [2021-11-07 01:37:48,872 INFO L354 Elim1Store]: treesize reduction 4, result has 85.2 percent of original size [2021-11-07 01:37:48,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:37:53,392 INFO L354 Elim1Store]: treesize reduction 17, result has 26.1 percent of original size [2021-11-07 01:37:53,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 39 [2021-11-07 01:37:54,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-11-07 01:38:07,648 INFO L244 Elim1Store]: Index analysis took 768 ms [2021-11-07 01:38:11,439 INFO L354 Elim1Store]: treesize reduction 84, result has 51.4 percent of original size [2021-11-07 01:38:11,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 82 treesize of output 146 [2021-11-07 01:38:13,945 INFO L244 Elim1Store]: Index analysis took 430 ms [2021-11-07 01:38:16,820 INFO L354 Elim1Store]: treesize reduction 56, result has 67.6 percent of original size [2021-11-07 01:38:16,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 84 treesize of output 176 [2021-11-07 01:38:39,070 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-07 01:38:40,619 INFO L354 Elim1Store]: treesize reduction 26, result has 61.2 percent of original size [2021-11-07 01:38:40,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 88 [2021-11-07 01:38:42,502 INFO L244 Elim1Store]: Index analysis took 687 ms [2021-11-07 01:38:44,773 INFO L354 Elim1Store]: treesize reduction 84, result has 51.4 percent of original size [2021-11-07 01:38:44,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 136 treesize of output 198 [2021-11-07 01:38:53,053 INFO L354 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2021-11-07 01:38:53,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 80 [2021-11-07 01:39:55,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:39:59,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:03,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:06,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:31,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:32,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:35,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:40:35,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:43:27,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:46:51,327 WARN L234 Elim1Store]: Array PQE input equivalent to false