./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH --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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:44:55,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:44:55,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:44:55,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:44:55,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:44:55,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:44:55,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:44:55,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:44:55,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:44:55,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:44:55,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:44:55,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:44:55,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:44:55,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:44:55,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:44:55,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:44:55,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:44:55,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:44:56,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:44:56,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:44:56,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:44:56,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:44:56,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:44:56,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:44:56,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:44:56,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:44:56,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:44:56,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:44:56,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:44:56,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:44:56,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:44:56,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:44:56,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:44:56,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:44:56,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:44:56,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:44:56,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:44:56,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:44:56,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:44:56,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:44:56,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:44:56,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:44:56,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:44:56,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:44:56,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:44:56,121 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:44:56,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:44:56,121 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:44:56,121 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:44:56,122 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:44:56,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:44:56,130 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:44:56,130 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:44:56,131 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:44:56,131 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:44:56,131 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:44:56,133 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:44:56,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:44:56,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:44:56,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:44:56,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:44:56,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:44:56,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:44:56,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:44:56,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:44:56,136 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:44:56,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:44:56,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:44:56,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:44:56,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:44:56,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:44:56,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:44:56,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:44:56,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:44:56,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:44:56,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:44:56,140 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:44:56,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:44:56,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:44:56,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:44:56,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:44:56,141 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2021-11-03 03:44:56,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:44:56,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:44:56,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:44:56,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:44:56,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:44:56,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2021-11-03 03:44:56,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/64734067d/b6e4fff31e1442dc8fa6d987e475346b/FLAG0d69cde47 [2021-11-03 03:44:57,236 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:44:57,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2021-11-03 03:44:57,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/64734067d/b6e4fff31e1442dc8fa6d987e475346b/FLAG0d69cde47 [2021-11-03 03:44:57,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/64734067d/b6e4fff31e1442dc8fa6d987e475346b [2021-11-03 03:44:57,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:44:57,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:44:57,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:44:57,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:44:57,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:44:57,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:57" (1/1) ... [2021-11-03 03:44:57,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3ba4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:57, skipping insertion in model container [2021-11-03 03:44:57,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:57" (1/1) ... [2021-11-03 03:44:57,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:44:57,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:44:58,018 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2021-11-03 03:44:58,043 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:44:58,043 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:44:58,044 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:44:58,046 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:44:58,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:44:58,126 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) [2021-11-03 03:44:58,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bec9b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:58, skipping insertion in model container [2021-11-03 03:44:58,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:44:58,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:44:58,131 INFO L168 Benchmark]: Toolchain (without parser) took 707.02 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 47.9 MB in the beginning and 79.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:58,132 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:44:58,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.55 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 47.6 MB in the beginning and 79.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:58,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 66.2 MB in the beginning and 66.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.55 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 47.6 MB in the beginning and 79.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH --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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:45:00,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:45:00,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:45:00,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:45:00,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:45:00,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:45:00,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:45:00,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:45:00,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:45:00,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:45:00,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:45:00,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:45:00,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:45:00,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:45:00,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:45:00,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:45:00,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:45:00,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:45:00,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:45:00,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:45:00,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:45:00,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:45:00,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:45:00,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:45:00,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:45:00,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:45:00,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:45:00,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:45:00,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:45:00,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:45:00,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:45:00,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:45:00,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:45:00,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:45:00,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:45:00,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:45:00,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:45:00,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:45:00,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:45:00,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:45:00,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:45:00,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 03:45:00,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:45:00,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:45:00,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:45:00,711 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:45:00,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:45:00,711 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:45:00,711 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:45:00,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:45:00,712 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:45:00,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:45:00,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:45:00,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:45:00,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:45:00,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:45:00,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:45:00,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:45:00,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:45:00,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:45:00,716 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:45:00,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:45:00,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:45:00,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:45:00,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:45:00,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:45:00,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:45:00,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:45:00,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:45:00,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:45:00,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:45:00,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:45:00,719 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:45:00,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:45:00,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:45:00,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:45:00,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:45:00,720 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2021-11-03 03:45:01,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:45:01,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:45:01,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:45:01,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:45:01,193 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:45:01,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2021-11-03 03:45:01,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/ed36df1b5/9e7a7065fa124559bb0813f46a325acb/FLAG9f8624148 [2021-11-03 03:45:02,013 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:45:02,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2021-11-03 03:45:02,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/ed36df1b5/9e7a7065fa124559bb0813f46a325acb/FLAG9f8624148 [2021-11-03 03:45:02,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/data/ed36df1b5/9e7a7065fa124559bb0813f46a325acb [2021-11-03 03:45:02,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:45:02,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:45:02,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:45:02,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:45:02,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:45:02,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:02" (1/1) ... [2021-11-03 03:45:02,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc5fb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:02, skipping insertion in model container [2021-11-03 03:45:02,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:02" (1/1) ... [2021-11-03 03:45:02,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:45:02,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:45:02,940 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2021-11-03 03:45:02,961 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:02,963 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:02,964 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:02,967 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:45:03,051 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:45:03,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:45:03,099 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2021-11-03 03:45:03,110 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,111 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,111 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,113 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:45:03,154 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:45:03,207 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_b0a17f08-f84d-48f4-9fc3-6bead17ee664/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2021-11-03 03:45:03,212 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,212 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,213 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,214 WARN L1529 CHandler]: Possible shadowing of function new [2021-11-03 03:45:03,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:45:03,356 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:45:03,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03 WrapperNode [2021-11-03 03:45:03,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:45:03,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:45:03,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:45:03,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:45:03,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:45:03,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:45:03,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:45:03,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:45:03,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:45:03,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:45:03,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:45:03,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:45:03,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (1/1) ... [2021-11-03 03:45:03,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:45:03,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:45:03,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:45:03,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:45:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-03 03:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-03 03:45:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-03 03:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:45:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:45:03,632 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-03 03:45:04,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:45:04,366 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-11-03 03:45:04,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:45:04 BoogieIcfgContainer [2021-11-03 03:45:04,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:45:04,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:45:04,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:45:04,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:45:04,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:45:02" (1/3) ... [2021-11-03 03:45:04,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd96e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:45:04, skipping insertion in model container [2021-11-03 03:45:04,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:03" (2/3) ... [2021-11-03 03:45:04,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd96e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:45:04, skipping insertion in model container [2021-11-03 03:45:04,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:45:04" (3/3) ... [2021-11-03 03:45:04,379 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2021-11-03 03:45:04,385 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-03 03:45:04,385 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:45:04,386 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:45:04,386 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-03 03:45:04,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,444 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,446 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,447 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,448 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,452 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,455 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,455 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,455 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,458 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,463 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,464 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,464 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,467 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,471 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,480 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,481 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,484 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,484 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,484 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,485 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,503 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,504 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,504 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,504 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,506 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,506 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,507 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,507 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,507 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,508 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,508 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,510 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,510 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,511 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,512 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,513 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,513 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,513 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,514 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,514 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,514 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,514 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,514 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,515 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,515 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,515 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,515 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,516 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,516 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,517 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,518 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,523 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,536 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,538 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,539 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,540 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,541 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,541 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,542 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-03 03:45:04,548 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-03 03:45:04,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:45:04,620 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 [2021-11-03 03:45:04,621 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-03 03:45:04,636 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-03 03:45:04,647 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 179 transitions, 366 flow [2021-11-03 03:45:04,650 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 179 transitions, 366 flow [2021-11-03 03:45:04,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 179 transitions, 366 flow [2021-11-03 03:45:04,754 INFO L129 PetriNetUnfolder]: 26/195 cut-off events. [2021-11-03 03:45:04,754 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2021-11-03 03:45:04,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 195 events. 26/195 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 512 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 104. Up to 4 conditions per place. [2021-11-03 03:45:04,766 INFO L116 LiptonReduction]: Number of co-enabled transitions 3652 [2021-11-03 03:47:53,998 WARN L207 SmtUtils]: Spent 1.43 m on a formula simplification that was a NOOP. DAG size: 206 [2021-11-03 03:49:17,099 WARN L207 SmtUtils]: Spent 1.38 m on a formula simplification that was a NOOP. DAG size: 198 [2021-11-03 03:50:38,610 WARN L207 SmtUtils]: Spent 1.36 m on a formula simplification that was a NOOP. DAG size: 206 [2021-11-03 03:52:01,693 WARN L207 SmtUtils]: Spent 1.38 m on a formula simplification that was a NOOP. DAG size: 198 [2021-11-03 03:52:01,707 INFO L131 LiptonReduction]: Checked pairs total: 3878 [2021-11-03 03:52:01,707 INFO L133 LiptonReduction]: Total number of compositions: 169 [2021-11-03 03:52:01,716 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 39 transitions, 86 flow [2021-11-03 03:52:01,747 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 100 states, 96 states have (on average 2.7083333333333335) internal successors, (260), 99 states have internal predecessors, (260), 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) [2021-11-03 03:52:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 96 states have (on average 2.7083333333333335) internal successors, (260), 99 states have internal predecessors, (260), 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) [2021-11-03 03:52:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 03:52:01,765 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:01,765 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-11-03 03:52:01,769 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:01,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:01,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1185195651, now seen corresponding path program 1 times [2021-11-03 03:52:01,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:52:01,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514667512] [2021-11-03 03:52:01,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:01,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:52:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:52:01,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:52:01,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:52:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:01,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:52:01,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 03:52:02,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 03:52:02,070 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:52:02,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514667512] [2021-11-03 03:52:02,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514667512] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:02,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:52:02,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 03:52:02,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843911647] [2021-11-03 03:52:02,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:52:02,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:52:02,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:52:02,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:52:02,098 INFO L87 Difference]: Start difference. First operand has 100 states, 96 states have (on average 2.7083333333333335) internal successors, (260), 99 states have internal predecessors, (260), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-03 03:52:04,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:04,690 INFO L93 Difference]: Finished difference Result 103 states and 201 transitions. [2021-11-03 03:52:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:52:04,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 7 [2021-11-03 03:52:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:04,702 INFO L225 Difference]: With dead ends: 103 [2021-11-03 03:52:04,702 INFO L226 Difference]: Without dead ends: 103 [2021-11-03 03:52:04,703 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:52:04,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-03 03:52:04,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-03 03:52:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 99 states have (on average 2.0303030303030303) internal successors, (201), 102 states have internal predecessors, (201), 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) [2021-11-03 03:52:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 201 transitions. [2021-11-03 03:52:04,752 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 201 transitions. Word has length 7 [2021-11-03 03:52:04,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:04,753 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 201 transitions. [2021-11-03 03:52:04,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-03 03:52:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2021-11-03 03:52:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 03:52:04,754 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:04,754 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2021-11-03 03:52:04,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:04,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:52:04,973 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash 4707075, now seen corresponding path program 1 times [2021-11-03 03:52:04,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:52:04,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980462923] [2021-11-03 03:52:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:04,980 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:52:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:52:04,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:52:05,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:52:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:05,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:52:05,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:52:05,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 03:52:05,288 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:52:05,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980462923] [2021-11-03 03:52:05,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980462923] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:52:05,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:52:05,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:52:05,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430479407] [2021-11-03 03:52:05,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:52:05,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:52:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:52:05,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:52:05,292 INFO L87 Difference]: Start difference. First operand 103 states and 201 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:08,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:08,207 INFO L93 Difference]: Finished difference Result 107 states and 205 transitions. [2021-11-03 03:52:08,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:52:08,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 03:52:08,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:08,210 INFO L225 Difference]: With dead ends: 107 [2021-11-03 03:52:08,210 INFO L226 Difference]: Without dead ends: 107 [2021-11-03 03:52:08,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:52:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-03 03:52:08,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-03 03:52:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 103 states have (on average 1.9902912621359223) internal successors, (205), 106 states have internal predecessors, (205), 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) [2021-11-03 03:52:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 205 transitions. [2021-11-03 03:52:08,225 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 205 transitions. Word has length 11 [2021-11-03 03:52:08,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:08,226 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 205 transitions. [2021-11-03 03:52:08,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 205 transitions. [2021-11-03 03:52:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 03:52:08,227 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:08,228 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1] [2021-11-03 03:52:08,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-03 03:52:08,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:52:08,438 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:08,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:08,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1398866877, now seen corresponding path program 1 times [2021-11-03 03:52:08,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:52:08,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363538458] [2021-11-03 03:52:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:08,441 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:52:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:52:08,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:52:08,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:52:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:08,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:52:08,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:52:08,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:52:09,154 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:52:09,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363538458] [2021-11-03 03:52:09,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363538458] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:09,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1038579327] [2021-11-03 03:52:09,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:09,155 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:52:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:52:09,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:52:09,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-03 03:52:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:09,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:52:09,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:52:09,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 03:52:09,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1038579327] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:09,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457564586] [2021-11-03 03:52:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:52:09,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:09,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:09,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:52:09,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 03:52:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:10,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:52:10,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 03:52:10,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 03:52:10,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457564586] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:10,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 03:52:10,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 4, 4] total 14 [2021-11-03 03:52:10,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35983638] [2021-11-03 03:52:10,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 03:52:10,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:52:10,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 03:52:10,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:52:10,619 INFO L87 Difference]: Start difference. First operand 107 states and 205 transitions. Second operand has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:55,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:52:55,461 INFO L93 Difference]: Finished difference Result 147 states and 249 transitions. [2021-11-03 03:52:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-03 03:52:55,462 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 03:52:55,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:52:55,464 INFO L225 Difference]: With dead ends: 147 [2021-11-03 03:52:55,464 INFO L226 Difference]: Without dead ends: 147 [2021-11-03 03:52:55,467 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=689, Invalid=1963, Unknown=0, NotChecked=0, Total=2652 [2021-11-03 03:52:55,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-11-03 03:52:55,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2021-11-03 03:52:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 143 states have (on average 1.7412587412587412) internal successors, (249), 146 states have internal predecessors, (249), 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) [2021-11-03 03:52:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 249 transitions. [2021-11-03 03:52:55,484 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 249 transitions. Word has length 15 [2021-11-03 03:52:55,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:52:55,484 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 249 transitions. [2021-11-03 03:52:55,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:52:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2021-11-03 03:52:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 03:52:55,487 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:52:55,487 INFO L513 BasicCegarLoop]: trace histogram [36, 6, 6, 2, 1, 1, 1, 1, 1] [2021-11-03 03:52:55,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:55,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:55,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:52:56,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:52:56,098 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:52:56,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:52:56,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2023881393, now seen corresponding path program 2 times [2021-11-03 03:52:56,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:52:56,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421820122] [2021-11-03 03:52:56,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 03:52:56,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:52:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:52:56,102 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:52:56,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:52:58,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 03:52:58,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:52:58,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1444 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:52:58,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-03 03:52:58,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:52:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-03 03:52:59,233 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:52:59,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421820122] [2021-11-03 03:52:59,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421820122] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:52:59,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [255436076] [2021-11-03 03:52:59,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 03:52:59,233 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 03:52:59,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 03:52:59,240 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 03:52:59,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-03 03:53:01,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 03:53:01,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:01,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 1444 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:53:01,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-03 03:53:02,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 251 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-03 03:53:02,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [255436076] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:02,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478388571] [2021-11-03 03:53:02,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 03:53:02,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:53:02,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:02,283 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:53:02,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0a17f08-f84d-48f4-9fc3-6bead17ee664/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 03:53:03,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 03:53:03,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:53:03,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1444 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:53:03,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-03 03:53:04,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-03 03:53:05,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478388571] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:53:05,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-03 03:53:05,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 8, 8] total 30 [2021-11-03 03:53:05,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909392958] [2021-11-03 03:53:05,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-03 03:53:05,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:53:05,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-03 03:53:05,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2021-11-03 03:53:05,315 INFO L87 Difference]: Start difference. First operand 147 states and 249 transitions. Second operand has 30 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 30 states have internal predecessors, (65), 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)