./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/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_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/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_dd0cdc22-b889-42e1-9074-9083f513a0da/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 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:48:32,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:48:32,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:48:32,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:48:32,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:48:32,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:48:32,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:48:32,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:48:32,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:48:32,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:48:32,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:48:32,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:48:32,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:48:32,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:48:32,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:48:32,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:48:32,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:48:32,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:48:32,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:48:32,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:48:32,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:48:32,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:48:32,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:48:32,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:48:32,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:48:32,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:48:32,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:48:32,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:48:32,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:48:32,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:48:32,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:48:32,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:48:32,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:48:32,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:48:32,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:48:32,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:48:32,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:48:32,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:48:32,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:48:32,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:48:32,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:48:32,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:48:33,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:48:33,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:48:33,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:48:33,037 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:48:33,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:48:33,038 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:48:33,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:48:33,038 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:48:33,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:48:33,039 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:48:33,040 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:48:33,040 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:48:33,040 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:48:33,040 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:48:33,040 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:48:33,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:48:33,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:48:33,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:48:33,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:48:33,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:48:33,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:48:33,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:48:33,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:48:33,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:48:33,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:48:33,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:48:33,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:48:33,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:48:33,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:48:33,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:48:33,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:33,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:48:33,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:48:33,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:48:33,047 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:48:33,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:48:33,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:48:33,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:48:33,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:48:33,048 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_dd0cdc22-b889-42e1-9074-9083f513a0da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 [2021-11-07 01:48:33,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:48:33,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:48:33,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:48:33,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:48:33,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:48:33,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-07 01:48:33,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/80805f08d/614fad7af74148e4a95884e6220b79a9/FLAGae4aae0be [2021-11-07 01:48:33,935 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:48:33,938 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-07 01:48:33,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/80805f08d/614fad7af74148e4a95884e6220b79a9/FLAGae4aae0be [2021-11-07 01:48:34,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/80805f08d/614fad7af74148e4a95884e6220b79a9 [2021-11-07 01:48:34,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:48:34,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:48:34,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:34,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:48:34,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:48:34,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:34" (1/1) ... [2021-11-07 01:48:34,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2748a9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:34, skipping insertion in model container [2021-11-07 01:48:34,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:34" (1/1) ... [2021-11-07 01:48:34,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:48:34,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:34,547 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_dd0cdc22-b889-42e1-9074-9083f513a0da/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-07 01:48:34,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:34,566 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 01:48:34,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28f774f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:34, skipping insertion in model container [2021-11-07 01:48:34,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:34,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:48:34,569 INFO L168 Benchmark]: Toolchain (without parser) took 269.79 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 65.5 MB in the beginning and 97.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:34,569 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:34,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.52 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 65.3 MB in the beginning and 97.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:34,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.52 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 65.3 MB in the beginning and 97.6 MB in the end (delta: -32.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: 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_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/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_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/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_dd0cdc22-b889-42e1-9074-9083f513a0da/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 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:48:36,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:48:36,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:48:36,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:48:36,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:48:36,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:48:36,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:48:36,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:48:36,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:48:36,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:48:36,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:48:36,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:48:36,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:48:36,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:48:36,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:48:36,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:48:36,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:48:36,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:48:36,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:48:36,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:48:36,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:48:36,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:48:36,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:48:36,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:48:36,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:48:36,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:48:36,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:48:36,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:48:36,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:48:36,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:48:36,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:48:36,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:48:36,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:48:36,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:48:36,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:48:36,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:48:36,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:48:36,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:48:36,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:48:36,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:48:36,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:48:36,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:48:36,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:48:36,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:48:36,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:48:36,899 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:48:36,900 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:48:36,900 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:48:36,900 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:48:36,901 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:48:36,901 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:48:36,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:48:36,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:48:36,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:48:36,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:48:36,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:48:36,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:48:36,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:48:36,903 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:48:36,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:48:36,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:48:36,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:48:36,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:48:36,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:48:36,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:48:36,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:48:36,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:48:36,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:48:36,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:36,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:48:36,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:48:36,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:48:36,907 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:48:36,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:48:36,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:48:36,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:48:36,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:48:36,908 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_dd0cdc22-b889-42e1-9074-9083f513a0da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 [2021-11-07 01:48:37,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:48:37,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:48:37,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:48:37,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:48:37,284 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:48:37,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-07 01:48:37,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/3a3879732/31abebdc2dfb4cbd8d71b8da3c827327/FLAG1221d4df6 [2021-11-07 01:48:37,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:48:37,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-07 01:48:37,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/3a3879732/31abebdc2dfb4cbd8d71b8da3c827327/FLAG1221d4df6 [2021-11-07 01:48:38,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/data/3a3879732/31abebdc2dfb4cbd8d71b8da3c827327 [2021-11-07 01:48:38,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:48:38,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:48:38,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:38,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:48:38,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:48:38,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ce6798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38, skipping insertion in model container [2021-11-07 01:48:38,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:48:38,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:38,541 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_dd0cdc22-b889-42e1-9074-9083f513a0da/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-07 01:48:38,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:38,573 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:48:38,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:38,599 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_dd0cdc22-b889-42e1-9074-9083f513a0da/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-07 01:48:38,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:38,609 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:48:38,638 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_dd0cdc22-b889-42e1-9074-9083f513a0da/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-07 01:48:38,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:38,659 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:48:38,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38 WrapperNode [2021-11-07 01:48:38,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:38,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:38,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:48:38,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:48:38,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:38,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:48:38,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:48:38,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:48:38,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:48:38,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:48:38,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:48:38,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:48:38,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (1/1) ... [2021-11-07 01:48:38,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:38,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:38,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:48:38,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:48:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:48:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:48:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:48:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 01:48:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 01:48:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 01:48:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 01:48:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 01:48:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 01:48:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-07 01:48:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-07 01:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-07 01:48:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-07 01:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-07 01:48:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-07 01:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 01:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 01:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:48:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:48:38,836 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:48:40,590 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:48:40,591 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-07 01:48:40,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:40 BoogieIcfgContainer [2021-11-07 01:48:40,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:48:40,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:48:40,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:48:40,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:48:40,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:48:38" (1/3) ... [2021-11-07 01:48:40,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220ea4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:40, skipping insertion in model container [2021-11-07 01:48:40,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:38" (2/3) ... [2021-11-07 01:48:40,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220ea4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:40, skipping insertion in model container [2021-11-07 01:48:40,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:40" (3/3) ... [2021-11-07 01:48:40,608 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2021-11-07 01:48:40,613 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 01:48:40,614 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:48:40,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:48:40,615 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 01:48:40,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,683 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,684 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,685 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,686 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,689 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,690 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,690 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,691 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,691 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,696 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,698 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,701 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,702 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,702 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,703 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,709 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,710 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,710 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,710 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,710 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,710 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,711 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,711 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,711 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,711 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,711 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,712 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,713 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,713 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,714 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,714 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,714 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,716 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,716 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,716 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,716 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,716 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,718 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,719 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,719 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,719 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,720 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,720 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,721 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,721 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,727 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,729 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,729 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,729 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,729 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,729 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,730 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,730 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,730 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,730 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,731 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,731 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,732 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,732 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,732 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,732 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,732 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,733 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,733 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,733 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,733 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,733 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,733 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,734 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,734 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,734 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,734 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,734 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,735 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,736 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,736 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,736 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,736 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,737 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,737 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,737 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,737 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,738 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,738 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,738 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,738 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,738 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,739 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,739 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,739 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,739 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,739 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,739 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,740 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,741 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,750 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,750 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,750 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,751 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,751 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,751 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,751 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,751 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,751 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,752 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,752 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,752 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,752 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,752 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,752 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,753 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,753 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,753 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,753 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,753 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,753 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,754 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,754 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,754 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,754 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,754 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,754 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,755 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,755 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,755 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,755 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,755 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,755 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,756 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,757 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,757 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,758 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,758 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,758 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,758 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,758 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,760 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,760 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,760 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,760 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,760 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,761 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,762 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,762 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,762 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,762 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,762 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,763 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,764 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,764 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,764 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,764 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,764 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,764 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,765 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,765 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,765 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,776 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,777 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,777 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,777 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,777 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,777 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,777 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,778 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,778 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,778 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,778 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,778 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,778 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,781 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,782 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,783 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,785 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,785 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,785 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,785 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,785 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,786 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,786 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,787 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,787 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,788 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,788 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,788 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,789 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,789 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,789 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,789 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,789 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,789 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,790 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,790 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,790 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,790 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,796 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,796 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,796 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,797 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,798 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,800 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,800 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,801 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,801 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,801 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,803 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,803 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,803 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,804 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,804 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,805 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,806 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,806 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,807 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,807 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,807 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,807 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,807 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,807 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,808 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,808 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,808 WARN L322 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,808 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,808 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,810 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,810 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,811 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,811 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,811 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,811 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,811 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,811 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,812 WARN L322 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,812 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,812 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,812 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,812 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:48:40,838 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-11-07 01:48:40,902 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:48:40,908 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 01:48:40,908 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-07 01:48:40,924 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:48:40,935 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 236 transitions, 544 flow [2021-11-07 01:48:40,937 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 236 transitions, 544 flow [2021-11-07 01:48:40,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 236 transitions, 544 flow [2021-11-07 01:48:41,029 INFO L129 PetriNetUnfolder]: 18/208 cut-off events. [2021-11-07 01:48:41,031 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-07 01:48:41,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 208 events. 18/208 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 276 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2021-11-07 01:48:41,051 INFO L116 LiptonReduction]: Number of co-enabled transitions 7312 [2021-11-07 01:48:53,988 INFO L131 LiptonReduction]: Checked pairs total: 33231 [2021-11-07 01:48:53,989 INFO L133 LiptonReduction]: Total number of compositions: 178 [2021-11-07 01:48:53,996 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 236 flow [2021-11-07 01:48:54,327 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5101 states, 5100 states have (on average 4.53) internal successors, (23103), 5100 states have internal predecessors, (23103), 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 01:48:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 5101 states, 5100 states have (on average 4.53) internal successors, (23103), 5100 states have internal predecessors, (23103), 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 01:48:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:48:54,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:54,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:54,407 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:48:54,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:54,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2038906563, now seen corresponding path program 1 times [2021-11-07 01:48:54,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:54,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583065670] [2021-11-07 01:48:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:54,430 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:54,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:54,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:54,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:48:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:54,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:54,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:55,199 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 01:48:55,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:55,416 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 01:48:55,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:55,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583065670] [2021-11-07 01:48:55,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583065670] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:55,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:55,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:48:55,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400880635] [2021-11-07 01:48:55,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:48:55,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:55,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:48:55,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:48:55,458 INFO L87 Difference]: Start difference. First operand has 5101 states, 5100 states have (on average 4.53) internal successors, (23103), 5100 states have internal predecessors, (23103), 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 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 01:48:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:55,896 INFO L93 Difference]: Finished difference Result 14004 states and 64831 transitions. [2021-11-07 01:48:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:48:55,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 52 [2021-11-07 01:48:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:56,314 INFO L225 Difference]: With dead ends: 14004 [2021-11-07 01:48:56,314 INFO L226 Difference]: Without dead ends: 13823 [2021-11-07 01:48:56,315 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:48:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2021-11-07 01:48:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 6985. [2021-11-07 01:48:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6985 states, 6984 states have (on average 4.467926689576174) internal successors, (31204), 6984 states have internal predecessors, (31204), 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 01:48:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6985 states to 6985 states and 31204 transitions. [2021-11-07 01:48:57,219 INFO L78 Accepts]: Start accepts. Automaton has 6985 states and 31204 transitions. Word has length 52 [2021-11-07 01:48:57,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:57,221 INFO L470 AbstractCegarLoop]: Abstraction has 6985 states and 31204 transitions. [2021-11-07 01:48:57,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 01:48:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6985 states and 31204 transitions. [2021-11-07 01:48:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:48:57,331 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:57,331 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:57,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:57,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:57,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:48:57,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:57,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1360831209, now seen corresponding path program 2 times [2021-11-07 01:48:57,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:57,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705193807] [2021-11-07 01:48:57,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:48:57,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:57,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:57,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:57,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:48:57,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 01:48:57,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:48:57,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:57,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:58,266 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 01:48:58,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:58,447 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 01:48:58,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:58,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705193807] [2021-11-07 01:48:58,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705193807] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:58,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:58,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:48:58,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632582853] [2021-11-07 01:48:58,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:48:58,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:58,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:48:58,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:48:58,451 INFO L87 Difference]: Start difference. First operand 6985 states and 31204 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 01:48:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:58,936 INFO L93 Difference]: Finished difference Result 15472 states and 71544 transitions. [2021-11-07 01:48:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:48:58,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 52 [2021-11-07 01:48:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:59,189 INFO L225 Difference]: With dead ends: 15472 [2021-11-07 01:48:59,190 INFO L226 Difference]: Without dead ends: 15291 [2021-11-07 01:48:59,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:48:59,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15291 states. [2021-11-07 01:48:59,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15291 to 7065. [2021-11-07 01:48:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7065 states, 7064 states have (on average 4.462061155152888) internal successors, (31520), 7064 states have internal predecessors, (31520), 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 01:48:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 31520 transitions. [2021-11-07 01:48:59,790 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 31520 transitions. Word has length 52 [2021-11-07 01:48:59,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:59,791 INFO L470 AbstractCegarLoop]: Abstraction has 7065 states and 31520 transitions. [2021-11-07 01:48:59,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 01:48:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 31520 transitions. [2021-11-07 01:48:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:48:59,823 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:59,824 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:59,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:00,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:00,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:00,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1466364816, now seen corresponding path program 1 times [2021-11-07 01:49:00,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:00,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222457540] [2021-11-07 01:49:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:00,038 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:00,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:00,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:00,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:49:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:00,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:49:00,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:00,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:01,406 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:01,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222457540] [2021-11-07 01:49:01,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222457540] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:01,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:01,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2021-11-07 01:49:01,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111922786] [2021-11-07 01:49:01,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:49:01,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:49:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:49:01,409 INFO L87 Difference]: Start difference. First operand 7065 states and 31520 transitions. Second operand has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 01:49:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:02,574 INFO L93 Difference]: Finished difference Result 30621 states and 135736 transitions. [2021-11-07 01:49:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:49:02,575 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 54 [2021-11-07 01:49:02,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:02,826 INFO L225 Difference]: With dead ends: 30621 [2021-11-07 01:49:02,827 INFO L226 Difference]: Without dead ends: 30621 [2021-11-07 01:49:02,827 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:49:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30621 states. [2021-11-07 01:49:04,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30621 to 18373. [2021-11-07 01:49:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18373 states, 18372 states have (on average 4.704278249510124) internal successors, (86427), 18372 states have internal predecessors, (86427), 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 01:49:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18373 states to 18373 states and 86427 transitions. [2021-11-07 01:49:04,313 INFO L78 Accepts]: Start accepts. Automaton has 18373 states and 86427 transitions. Word has length 54 [2021-11-07 01:49:04,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:04,315 INFO L470 AbstractCegarLoop]: Abstraction has 18373 states and 86427 transitions. [2021-11-07 01:49:04,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 01:49:04,316 INFO L276 IsEmpty]: Start isEmpty. Operand 18373 states and 86427 transitions. [2021-11-07 01:49:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:04,427 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:04,427 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:04,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:04,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:04,642 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:04,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:04,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1239637261, now seen corresponding path program 1 times [2021-11-07 01:49:04,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:04,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874672090] [2021-11-07 01:49:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:04,644 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:04,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:04,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:49:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:04,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:49:04,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:05,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:05,245 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:05,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874672090] [2021-11-07 01:49:05,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874672090] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:05,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:05,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:49:05,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594329831] [2021-11-07 01:49:05,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:49:05,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:05,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:49:05,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:05,247 INFO L87 Difference]: Start difference. First operand 18373 states and 86427 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 01:49:05,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:05,689 INFO L93 Difference]: Finished difference Result 18373 states and 82717 transitions. [2021-11-07 01:49:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:05,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2021-11-07 01:49:05,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:05,785 INFO L225 Difference]: With dead ends: 18373 [2021-11-07 01:49:05,785 INFO L226 Difference]: Without dead ends: 16037 [2021-11-07 01:49:05,785 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:05,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16037 states. [2021-11-07 01:49:06,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16037 to 15857. [2021-11-07 01:49:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15857 states, 15856 states have (on average 4.526425327951564) internal successors, (71771), 15856 states have internal predecessors, (71771), 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 01:49:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15857 states to 15857 states and 71771 transitions. [2021-11-07 01:49:06,765 INFO L78 Accepts]: Start accepts. Automaton has 15857 states and 71771 transitions. Word has length 54 [2021-11-07 01:49:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:06,766 INFO L470 AbstractCegarLoop]: Abstraction has 15857 states and 71771 transitions. [2021-11-07 01:49:06,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 01:49:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15857 states and 71771 transitions. [2021-11-07 01:49:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:06,823 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:06,823 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:06,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:07,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:07,035 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:07,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:07,036 INFO L85 PathProgramCache]: Analyzing trace with hash 707519976, now seen corresponding path program 1 times [2021-11-07 01:49:07,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:07,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145029367] [2021-11-07 01:49:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:07,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:07,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:07,038 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:07,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:49:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:07,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:49:07,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:08,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:08,309 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:08,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145029367] [2021-11-07 01:49:08,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145029367] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:08,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:08,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-07 01:49:08,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384042180] [2021-11-07 01:49:08,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:49:08,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:08,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:49:08,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:49:08,311 INFO L87 Difference]: Start difference. First operand 15857 states and 71771 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 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 01:49:08,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:08,730 INFO L93 Difference]: Finished difference Result 21601 states and 97942 transitions. [2021-11-07 01:49:08,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:49:08,731 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 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 54 [2021-11-07 01:49:08,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:09,015 INFO L225 Difference]: With dead ends: 21601 [2021-11-07 01:49:09,016 INFO L226 Difference]: Without dead ends: 19363 [2021-11-07 01:49:09,016 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:49:09,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19363 states. [2021-11-07 01:49:09,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19363 to 15627. [2021-11-07 01:49:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15627 states, 15626 states have (on average 4.653654166133367) internal successors, (72718), 15626 states have internal predecessors, (72718), 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 01:49:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 72718 transitions. [2021-11-07 01:49:09,673 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 72718 transitions. Word has length 54 [2021-11-07 01:49:09,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:09,674 INFO L470 AbstractCegarLoop]: Abstraction has 15627 states and 72718 transitions. [2021-11-07 01:49:09,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 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 01:49:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 72718 transitions. [2021-11-07 01:49:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:09,741 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:09,741 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:09,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:49:09,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:09,954 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash 674121988, now seen corresponding path program 2 times [2021-11-07 01:49:09,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:09,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783742762] [2021-11-07 01:49:09,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:49:09,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:09,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:09,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:49:10,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:49:10,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:10,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:49:10,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:11,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:11,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:11,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783742762] [2021-11-07 01:49:11,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783742762] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:11,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1702129306] [2021-11-07 01:49:11,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:49:11,784 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:11,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:49:11,792 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:49:11,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-07 01:49:12,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:49:12,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:12,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 01:49:12,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:13,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:13,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1702129306] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:13,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:49:13,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6] total 17 [2021-11-07 01:49:13,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089806296] [2021-11-07 01:49:13,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:49:13,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:13,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:49:13,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:49:13,497 INFO L87 Difference]: Start difference. First operand 15627 states and 72718 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 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 01:49:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:14,198 INFO L93 Difference]: Finished difference Result 31235 states and 134610 transitions. [2021-11-07 01:49:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:49:14,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 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 54 [2021-11-07 01:49:14,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:14,284 INFO L225 Difference]: With dead ends: 31235 [2021-11-07 01:49:14,284 INFO L226 Difference]: Without dead ends: 27603 [2021-11-07 01:49:14,285 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:49:14,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27603 states. [2021-11-07 01:49:14,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27603 to 17446. [2021-11-07 01:49:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17446 states, 17445 states have (on average 4.586586414445399) internal successors, (80013), 17445 states have internal predecessors, (80013), 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 01:49:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17446 states to 17446 states and 80013 transitions. [2021-11-07 01:49:15,192 INFO L78 Accepts]: Start accepts. Automaton has 17446 states and 80013 transitions. Word has length 54 [2021-11-07 01:49:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:15,193 INFO L470 AbstractCegarLoop]: Abstraction has 17446 states and 80013 transitions. [2021-11-07 01:49:15,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 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 01:49:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17446 states and 80013 transitions. [2021-11-07 01:49:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:15,236 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:15,236 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:15,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:15,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:15,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:15,638 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:15,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1623988682, now seen corresponding path program 2 times [2021-11-07 01:49:15,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:15,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107626351] [2021-11-07 01:49:15,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:49:15,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:15,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:15,646 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:15,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:49:16,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:49:16,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:16,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:49:16,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:16,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:17,219 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:17,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107626351] [2021-11-07 01:49:17,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107626351] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 01:49:17,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:49:17,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2021-11-07 01:49:17,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703064287] [2021-11-07 01:49:17,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:49:17,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:17,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:49:17,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:49:17,221 INFO L87 Difference]: Start difference. First operand 17446 states and 80013 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 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 01:49:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:17,579 INFO L93 Difference]: Finished difference Result 26580 states and 117761 transitions. [2021-11-07 01:49:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:49:17,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 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 54 [2021-11-07 01:49:17,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:17,926 INFO L225 Difference]: With dead ends: 26580 [2021-11-07 01:49:17,927 INFO L226 Difference]: Without dead ends: 26202 [2021-11-07 01:49:17,927 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:49:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26202 states. [2021-11-07 01:49:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26202 to 19616. [2021-11-07 01:49:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19616 states, 19615 states have (on average 4.503492225337752) internal successors, (88336), 19615 states have internal predecessors, (88336), 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 01:49:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19616 states to 19616 states and 88336 transitions. [2021-11-07 01:49:18,783 INFO L78 Accepts]: Start accepts. Automaton has 19616 states and 88336 transitions. Word has length 54 [2021-11-07 01:49:18,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:18,784 INFO L470 AbstractCegarLoop]: Abstraction has 19616 states and 88336 transitions. [2021-11-07 01:49:18,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 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 01:49:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 19616 states and 88336 transitions. [2021-11-07 01:49:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:18,825 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:18,826 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:18,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 01:49:19,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:19,039 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:19,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:19,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1079195201, now seen corresponding path program 1 times [2021-11-07 01:49:19,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:19,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476079221] [2021-11-07 01:49:19,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:19,041 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:19,042 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:19,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:49:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:19,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:49:19,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:19,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:19,822 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:19,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476079221] [2021-11-07 01:49:19,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476079221] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:19,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:19,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:49:19,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101369121] [2021-11-07 01:49:19,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:49:19,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:19,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:49:19,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:19,825 INFO L87 Difference]: Start difference. First operand 19616 states and 88336 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 01:49:19,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:19,974 INFO L93 Difference]: Finished difference Result 16808 states and 73030 transitions. [2021-11-07 01:49:19,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:19,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2021-11-07 01:49:19,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:20,019 INFO L225 Difference]: With dead ends: 16808 [2021-11-07 01:49:20,019 INFO L226 Difference]: Without dead ends: 15326 [2021-11-07 01:49:20,019 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:49:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15326 states. [2021-11-07 01:49:20,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15326 to 12658. [2021-11-07 01:49:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12658 states, 12657 states have (on average 4.490163545863949) internal successors, (56832), 12657 states have internal predecessors, (56832), 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 01:49:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12658 states to 12658 states and 56832 transitions. [2021-11-07 01:49:20,577 INFO L78 Accepts]: Start accepts. Automaton has 12658 states and 56832 transitions. Word has length 54 [2021-11-07 01:49:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:20,577 INFO L470 AbstractCegarLoop]: Abstraction has 12658 states and 56832 transitions. [2021-11-07 01:49:20,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 01:49:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 12658 states and 56832 transitions. [2021-11-07 01:49:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:20,615 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:20,615 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:20,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-11-07 01:49:20,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:20,826 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:20,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:20,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1207303268, now seen corresponding path program 3 times [2021-11-07 01:49:20,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:20,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160420831] [2021-11-07 01:49:20,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:49:20,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:20,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:20,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:20,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:49:21,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:49:21,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:21,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 01:49:21,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:21,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:22,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:22,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160420831] [2021-11-07 01:49:22,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160420831] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:22,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:22,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-07 01:49:22,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170701188] [2021-11-07 01:49:22,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:49:22,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:22,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:49:22,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:49:22,241 INFO L87 Difference]: Start difference. First operand 12658 states and 56832 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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 01:49:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:22,902 INFO L93 Difference]: Finished difference Result 16360 states and 72424 transitions. [2021-11-07 01:49:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:49:22,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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 54 [2021-11-07 01:49:22,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:22,982 INFO L225 Difference]: With dead ends: 16360 [2021-11-07 01:49:22,983 INFO L226 Difference]: Without dead ends: 15502 [2021-11-07 01:49:22,983 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:49:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15502 states. [2021-11-07 01:49:23,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15502 to 12756. [2021-11-07 01:49:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 4.525597804782438) internal successors, (57724), 12755 states have internal predecessors, (57724), 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 01:49:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 57724 transitions. [2021-11-07 01:49:23,435 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 57724 transitions. Word has length 54 [2021-11-07 01:49:23,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:23,435 INFO L470 AbstractCegarLoop]: Abstraction has 12756 states and 57724 transitions. [2021-11-07 01:49:23,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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 01:49:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 57724 transitions. [2021-11-07 01:49:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:49:23,467 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:23,467 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:23,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:23,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:23,668 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:23,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:23,668 INFO L85 PathProgramCache]: Analyzing trace with hash -137285868, now seen corresponding path program 4 times [2021-11-07 01:49:23,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:23,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667999925] [2021-11-07 01:49:23,669 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:49:23,669 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:23,670 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:23,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:49:24,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:49:24,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:49:24,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:24,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:24,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:24,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667999925] [2021-11-07 01:49:24,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667999925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:24,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:24,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2021-11-07 01:49:24,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448607328] [2021-11-07 01:49:24,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:49:24,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:24,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:49:24,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:49:24,930 INFO L87 Difference]: Start difference. First operand 12756 states and 57724 transitions. Second operand has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 01:49:26,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:26,060 INFO L93 Difference]: Finished difference Result 42982 states and 186726 transitions. [2021-11-07 01:49:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:49:26,061 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 54 [2021-11-07 01:49:26,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:26,187 INFO L225 Difference]: With dead ends: 42982 [2021-11-07 01:49:26,187 INFO L226 Difference]: Without dead ends: 38880 [2021-11-07 01:49:26,187 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=275, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:49:26,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38880 states. [2021-11-07 01:49:27,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38880 to 15484. [2021-11-07 01:49:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15484 states, 15483 states have (on average 4.451979590518634) internal successors, (68930), 15483 states have internal predecessors, (68930), 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 01:49:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15484 states to 15484 states and 68930 transitions. [2021-11-07 01:49:27,231 INFO L78 Accepts]: Start accepts. Automaton has 15484 states and 68930 transitions. Word has length 54 [2021-11-07 01:49:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:27,231 INFO L470 AbstractCegarLoop]: Abstraction has 15484 states and 68930 transitions. [2021-11-07 01:49:27,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 states have internal predecessors, (85), 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 01:49:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 15484 states and 68930 transitions. [2021-11-07 01:49:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:49:27,260 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:27,260 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:27,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-07 01:49:27,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:27,461 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:27,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash -801543228, now seen corresponding path program 1 times [2021-11-07 01:49:27,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:27,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168493551] [2021-11-07 01:49:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:27,462 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:27,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:27,466 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:27,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:49:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:28,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:49:28,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:49:28,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:49:29,127 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:29,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168493551] [2021-11-07 01:49:29,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168493551] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 01:49:29,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:49:29,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2021-11-07 01:49:29,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828268081] [2021-11-07 01:49:29,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:49:29,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:29,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:49:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:49:29,129 INFO L87 Difference]: Start difference. First operand 15484 states and 68930 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 01:49:29,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:29,958 INFO L93 Difference]: Finished difference Result 19754 states and 86710 transitions. [2021-11-07 01:49:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:49:29,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 56 [2021-11-07 01:49:29,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:30,027 INFO L225 Difference]: With dead ends: 19754 [2021-11-07 01:49:30,028 INFO L226 Difference]: Without dead ends: 19754 [2021-11-07 01:49:30,028 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:49:30,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19754 states. [2021-11-07 01:49:30,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19754 to 15880. [2021-11-07 01:49:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15880 states, 15879 states have (on average 4.4376220164997795) internal successors, (70465), 15879 states have internal predecessors, (70465), 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 01:49:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15880 states to 15880 states and 70465 transitions. [2021-11-07 01:49:30,471 INFO L78 Accepts]: Start accepts. Automaton has 15880 states and 70465 transitions. Word has length 56 [2021-11-07 01:49:30,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:30,471 INFO L470 AbstractCegarLoop]: Abstraction has 15880 states and 70465 transitions. [2021-11-07 01:49:30,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 01:49:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 15880 states and 70465 transitions. [2021-11-07 01:49:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:49:30,685 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:30,686 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:30,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:30,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:30,888 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:30,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:30,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2101214846, now seen corresponding path program 2 times [2021-11-07 01:49:30,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:30,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010597600] [2021-11-07 01:49:30,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:49:30,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:30,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:30,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:30,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:49:31,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:49:31,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:31,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 01:49:31,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:32,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:49:32,901 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:32,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010597600] [2021-11-07 01:49:32,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010597600] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:32,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [757940417] [2021-11-07 01:49:32,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:49:32,902 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:49:32,903 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:49:32,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-07 01:49:34,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:49:34,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:34,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 01:49:34,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:34,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:35,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [757940417] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:35,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487436542] [2021-11-07 01:49:35,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:49:35,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:49:35,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:35,170 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:49:35,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 01:49:36,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:49:36,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:49:36,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:49:36,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:49:36,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:49:36,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487436542] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:36,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:49:36,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 24 [2021-11-07 01:49:36,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133703014] [2021-11-07 01:49:36,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-07 01:49:36,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:36,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-07 01:49:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2021-11-07 01:49:36,788 INFO L87 Difference]: Start difference. First operand 15880 states and 70465 transitions. Second operand has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 states have internal predecessors, (193), 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 01:49:39,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:39,019 INFO L93 Difference]: Finished difference Result 40859 states and 173027 transitions. [2021-11-07 01:49:39,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 01:49:39,020 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 states have internal predecessors, (193), 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 56 [2021-11-07 01:49:39,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:39,157 INFO L225 Difference]: With dead ends: 40859 [2021-11-07 01:49:39,157 INFO L226 Difference]: Without dead ends: 40103 [2021-11-07 01:49:39,158 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=388, Invalid=1252, Unknown=0, NotChecked=0, Total=1640 [2021-11-07 01:49:39,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40103 states. [2021-11-07 01:49:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40103 to 17046. [2021-11-07 01:49:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17046 states, 17045 states have (on average 4.423173951305368) internal successors, (75393), 17045 states have internal predecessors, (75393), 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 01:49:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17046 states to 17046 states and 75393 transitions. [2021-11-07 01:49:40,045 INFO L78 Accepts]: Start accepts. Automaton has 17046 states and 75393 transitions. Word has length 56 [2021-11-07 01:49:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:40,046 INFO L470 AbstractCegarLoop]: Abstraction has 17046 states and 75393 transitions. [2021-11-07 01:49:40,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 states have internal predecessors, (193), 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 01:49:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 17046 states and 75393 transitions. [2021-11-07 01:49:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:49:40,083 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:40,083 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:40,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:40,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-07 01:49:40,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:40,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:49:40,684 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:40,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:40,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1654001772, now seen corresponding path program 1 times [2021-11-07 01:49:40,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:40,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168751728] [2021-11-07 01:49:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:40,685 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:40,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:40,686 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:40,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:49:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:41,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 01:49:41,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:49:41,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:42,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:42,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168751728] [2021-11-07 01:49:42,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168751728] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 01:49:42,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:49:42,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2021-11-07 01:49:42,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273489963] [2021-11-07 01:49:42,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:49:42,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:49:42,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:49:42,232 INFO L87 Difference]: Start difference. First operand 17046 states and 75393 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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 01:49:42,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:42,466 INFO L93 Difference]: Finished difference Result 17283 states and 75928 transitions. [2021-11-07 01:49:42,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:49:42,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2021-11-07 01:49:42,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:42,519 INFO L225 Difference]: With dead ends: 17283 [2021-11-07 01:49:42,520 INFO L226 Difference]: Without dead ends: 17046 [2021-11-07 01:49:42,520 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:49:42,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17046 states. [2021-11-07 01:49:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17046 to 17046. [2021-11-07 01:49:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17046 states, 17045 states have (on average 4.423115283074216) internal successors, (75392), 17045 states have internal predecessors, (75392), 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 01:49:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17046 states to 17046 states and 75392 transitions. [2021-11-07 01:49:43,175 INFO L78 Accepts]: Start accepts. Automaton has 17046 states and 75392 transitions. Word has length 56 [2021-11-07 01:49:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:43,175 INFO L470 AbstractCegarLoop]: Abstraction has 17046 states and 75392 transitions. [2021-11-07 01:49:43,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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 01:49:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 17046 states and 75392 transitions. [2021-11-07 01:49:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:49:43,213 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:43,213 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:43,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:43,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:43,426 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:49:43,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:43,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1141351638, now seen corresponding path program 1 times [2021-11-07 01:49:43,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:43,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509928692] [2021-11-07 01:49:43,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:43,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:43,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:43,428 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:43,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:49:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:44,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 01:49:44,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:49:44,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:45,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:45,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509928692] [2021-11-07 01:49:45,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509928692] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:45,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2055426278] [2021-11-07 01:49:45,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:45,089 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:45,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:49:45,090 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:49:45,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-07 01:49:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:46,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:49:46,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:49:46,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:49:46,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2055426278] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:46,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015996784] [2021-11-07 01:49:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:46,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:49:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:46,880 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:49:46,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-07 01:49:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:47,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:49:47,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:49:48,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:49:48,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015996784] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:48,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:49:48,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 5, 5, 6, 6] total 28 [2021-11-07 01:49:48,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525203333] [2021-11-07 01:49:48,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-07 01:49:48,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:48,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-07 01:49:48,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:49:48,699 INFO L87 Difference]: Start difference. First operand 17046 states and 75392 transitions. Second operand has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 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 01:49:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:58,737 INFO L93 Difference]: Finished difference Result 76278 states and 329828 transitions. [2021-11-07 01:49:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 01:49:58,739 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 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 57 [2021-11-07 01:49:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:59,182 INFO L225 Difference]: With dead ends: 76278 [2021-11-07 01:49:59,182 INFO L226 Difference]: Without dead ends: 67489 [2021-11-07 01:49:59,185 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2164 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1066, Invalid=6244, Unknown=0, NotChecked=0, Total=7310 [2021-11-07 01:49:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67489 states. [2021-11-07 01:50:00,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67489 to 23665. [2021-11-07 01:50:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23665 states, 23664 states have (on average 4.680273833671399) internal successors, (110754), 23664 states have internal predecessors, (110754), 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 01:50:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23665 states to 23665 states and 110754 transitions. [2021-11-07 01:50:01,030 INFO L78 Accepts]: Start accepts. Automaton has 23665 states and 110754 transitions. Word has length 57 [2021-11-07 01:50:01,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:01,030 INFO L470 AbstractCegarLoop]: Abstraction has 23665 states and 110754 transitions. [2021-11-07 01:50:01,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 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 01:50:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 23665 states and 110754 transitions. [2021-11-07 01:50:01,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:50:01,113 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:01,113 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:01,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:01,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-11-07 01:50:01,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:01,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:50:01,715 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err8INUSE_VIOLATION, thread1Err9INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION (and 7 more)] === [2021-11-07 01:50:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash 658994635, now seen corresponding path program 1 times [2021-11-07 01:50:01,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:01,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221500804] [2021-11-07 01:50:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:01,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:01,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:01,717 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:01,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:50:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:02,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-07 01:50:02,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:03,137 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-11-07 01:50:03,137 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 5 case distinctions, treesize of input 21 treesize of output 59 [2021-11-07 01:50:03,690 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 01:50:03,690 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 18 treesize of output 18 [2021-11-07 01:50:04,879 INFO L354 Elim1Store]: treesize reduction 1031, result has 5.9 percent of original size [2021-11-07 01:50:04,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 68 treesize of output 88 [2021-11-07 01:53:56,608 WARN L207 SmtUtils]: Spent 3.79 m on a formula simplification. DAG size of input: 376 DAG size of output: 131 [2021-11-07 01:53:56,610 INFO L354 Elim1Store]: treesize reduction 1761, result has 20.1 percent of original size [2021-11-07 01:53:56,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 39 case distinctions, treesize of input 112 treesize of output 488 [2021-11-07 01:58:56,707 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-07 01:58:56,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-11-07 01:58:56,712 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:56,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221500804] [2021-11-07 01:58:56,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-11-07 01:58:56,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [818264004] [2021-11-07 01:58:56,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:56,713 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:58:56,718 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:58:56,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-07 01:58:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:58,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-07 01:58:58,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:58,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-07 01:58:58,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168089153] [2021-11-07 01:58:58,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:58,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:58:58,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:58:58,662 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:58:58,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-07 01:58:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:59,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-07 01:58:59,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:59,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-07 01:58:59,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:59,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-07 01:58:59,770 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-11-07 01:58:59,770 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-07 01:58:59,776 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:58:59,777 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8INUSE_VIOLATION [2021-11-07 01:58:59,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9INUSE_VIOLATION [2021-11-07 01:58:59,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-11-07 01:58:59,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7INUSE_VIOLATION [2021-11-07 01:58:59,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2INUSE_VIOLATION [2021-11-07 01:58:59,778 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err4INUSE_VIOLATION [2021-11-07 01:58:59,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Thread1of1ForFork4Err1INUSE_VIOLATION [2021-11-07 01:58:59,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Thread1of1ForFork4Err6INUSE_VIOLATION [2021-11-07 01:58:59,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Thread1of1ForFork1Err0INUSE_VIOLATION [2021-11-07 01:58:59,779 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Thread1of1ForFork1Err5INUSE_VIOLATION [2021-11-07 01:58:59,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:59,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:00,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:00,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0cdc22-b889-42e1-9074-9083f513a0da/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:59:00,388 INFO L731 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 01:59:00,390 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 01:59:00,390 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:59:00,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:59:00 BasicIcfg [2021-11-07 01:59:00,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:59:00,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:59:00,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:59:00,411 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:59:00,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:40" (3/4) ... [2021-11-07 01:59:00,414 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:59:00,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:59:00,416 INFO L168 Benchmark]: Toolchain (without parser) took 622126.04 ms. Allocated memory was 62.9 MB in the beginning and 9.8 GB in the end (delta: 9.8 GB). Free memory was 43.0 MB in the beginning and 7.9 GB in the end (delta: -7.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. [2021-11-07 01:59:00,416 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:00,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.80 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 41.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:00,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 38.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:00,419 INFO L168 Benchmark]: Boogie Preprocessor took 42.51 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 36.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:00,421 INFO L168 Benchmark]: RCFGBuilder took 1835.99 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 35.8 MB in the beginning and 62.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:00,421 INFO L168 Benchmark]: TraceAbstraction took 619815.83 ms. Allocated memory was 86.0 MB in the beginning and 9.8 GB in the end (delta: 9.7 GB). Free memory was 61.8 MB in the beginning and 7.9 GB in the end (delta: -7.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. [2021-11-07 01:59:00,421 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 9.8 GB. Free memory was 7.9 GB in the beginning and 7.9 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:00,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.80 ms. Allocated memory is still 62.9 MB. Free memory was 42.9 MB in the beginning and 41.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 62.9 MB. Free memory was 40.7 MB in the beginning and 38.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.51 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 36.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1835.99 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 35.8 MB in the beginning and 62.3 MB in the end (delta: -26.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 619815.83 ms. Allocated memory was 86.0 MB in the beginning and 9.8 GB in the end (delta: 9.7 GB). Free memory was 61.8 MB in the beginning and 7.9 GB in the end (delta: -7.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. * Witness Printer took 3.60 ms. Allocated memory is still 9.8 GB. Free memory was 7.9 GB in the beginning and 7.9 GB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0s, 237 PlacesBefore, 92 PlacesAfterwards, 236 TransitionsBefore, 82 TransitionsAfterwards, 7312 CoEnabledTransitionPairs, 8 FixpointIterations, 103 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 11 ConcurrentYvCompositions, 9 ChoiceCompositions, 178 TotalNumberOfCompositions, 33231 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19891, positive: 19360, positive conditional: 0, positive unconditional: 19360, negative: 531, negative conditional: 0, negative unconditional: 531, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5346, positive: 5245, positive conditional: 0, positive unconditional: 5245, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5346, positive: 5222, positive conditional: 0, positive unconditional: 5222, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 124, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1541, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 1435, negative conditional: 0, negative unconditional: 1435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19891, positive: 14115, positive conditional: 0, positive unconditional: 14115, negative: 430, negative conditional: 0, negative unconditional: 430, unknown: 5346, unknown conditional: 0, unknown unconditional: 5346] , Statistics on independence cache: Total cache size (in pairs): 1249, Positive cache size: 1192, Positive conditional cache size: 0, Positive unconditional cache size: 1192, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 174]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L41] 0 int* X_0; [L42] 0 int n_1, s_2, i_3, t_4, t_5, s_6, i_7, t_8, t_9; [L152] 0 pthread_t t1, t4; [L155] 0 n_1 = __VERIFIER_nondet_int() [L156] 0 s_2 = __VERIFIER_nondet_int() [L157] 0 i_3 = __VERIFIER_nondet_int() [L158] 0 t_4 = __VERIFIER_nondet_int() [L159] 0 t_5 = __VERIFIER_nondet_int() [L160] 0 s_6 = __VERIFIER_nondet_int() [L161] 0 i_7 = __VERIFIER_nondet_int() [L162] 0 t_8 = __VERIFIER_nondet_int() [L163] 0 t_9 = __VERIFIER_nondet_int() [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L38] COND TRUE 0 !cond [L183] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L184] 0 int i = 0; [L184] COND TRUE 0 i < size [L185] 0 arr[i] = __VERIFIER_nondet_int() [L184] 0 i++ [L184] COND TRUE 0 i < size [L185] 0 arr[i] = __VERIFIER_nondet_int() [L184] 0 i++ [L184] COND FALSE 0 !(i < size) [L187] 0 return arr; [L165] 0 X_0 = create_fresh_int_array(n_1 + 1) [L168] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) [L84] 1 pthread_t t2, t3; [L87] 1 i_3 = 0 [L88] 1 s_2 = 0 [L169] FCALL, FORK 0 pthread_create(&t4, 0, thread4, 0) [L170] 0 \read(t1) [L136] 2 pthread_t t5, t6; [L139] 2 i_7 = 0 [L140] 2 s_6 = 0 [L143] FCALL, FORK 2 pthread_create(&t5, 0, thread5, 0) [L100] COND TRUE 3 __VERIFIER_nondet_bool() [L38] COND TRUE 3 !cond [L103] 3 i_7++ [L104] EXPR 3 X_0[i_7] [L104] 3 t_8 = X_0[i_7] [L144] FCALL, FORK 2 pthread_create(&t6, 0, thread6, 0) [L145] 2 \read(t5) [L38] COND FALSE 4 !(!cond) [L132] 4 return 0; [L91] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) [L92] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) [L93] 1 \read(t2) [L48] COND TRUE 5 __VERIFIER_nondet_bool() [L38] COND TRUE 5 !cond [L51] 5 i_3++ [L52] EXPR 5 X_0[i_3] [L52] 5 t_4 = X_0[i_3] [L38] COND TRUE 5 !cond [L38] COND FALSE 5 !(!cond) [L193] 5 return a + b; [L55] 5 s_2 = plus(s_2, t_4) [L66] COND FALSE 6 !(__VERIFIER_nondet_bool()) [L38] COND TRUE 6 !cond [L80] 6 return 0; [L48] COND FALSE 5 !(__VERIFIER_nondet_bool()) [L38] COND FALSE 5 !(!cond) [L62] 5 return 0; [L93] FCALL, JOIN 5 pthread_join(t2, 0) [L94] 1 \read(t3) [L94] FCALL, JOIN 6 pthread_join(t3, 0) [L96] 1 return 0; [L96] 1 return 0; [L96] 1 return 0; [L170] FCALL, JOIN 1 pthread_join(t1, 0) [L171] 0 \read(t4) [L38] COND FALSE 3 !(!cond) [L38] COND FALSE 3 !(!cond) [L193] 3 return a + b; [L107] 3 s_6 = plus(s_6, t_8) [L38] COND FALSE 3 !(!cond) [L114] 3 return 0; [L145] FCALL, JOIN 3 pthread_join(t5, 0) [L146] 2 \read(t6) [L146] FCALL, JOIN 4 pthread_join(t6, 0) [L148] 2 return 0; [L148] 2 return 0; [L148] 2 return 0; [L171] FCALL, JOIN 2 pthread_join(t4, 0) [L38] COND FALSE 0 !(!cond) [L174] 0 reach_error() - UnprovableResult [Line: 91]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 168]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 169]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 144]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 143]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 143]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 144]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 299 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 619.4s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.0s, AutomataDifference: 22.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2230 SDtfs, 6865 SDslu, 11802 SDs, 0 SdLazy, 2744 SolverSat, 437 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2229 GetRequests, 1993 SyntacticMatches, 1 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2832 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23665occurred in iteration=14, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 147536 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 549.3s InterpolantComputationTime, 1099 NumberOfCodeBlocks, 1099 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2044 ConstructedInterpolants, 0 QuantifiedInterpolants, 10100 SizeOfPredicates, 159 NumberOfNonLiveVariables, 4027 ConjunctsInSsa, 285 ConjunctsInUnsatCore, 38 InterpolantComputations, 21 PerfectInterpolantSequences, 46/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN