./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba --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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:11:00,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:11:00,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:11:00,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:11:00,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:11:00,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:11:00,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:11:00,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:11:00,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:11:00,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:11:00,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:11:00,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:11:00,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:11:00,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:11:00,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:11:00,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:11:00,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:11:00,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:11:00,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:11:00,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:11:00,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:11:00,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:11:00,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:11:00,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:11:00,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:11:00,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:11:00,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:11:00,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:11:00,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:11:00,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:11:00,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:11:00,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:11:00,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:11:00,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:11:00,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:11:00,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:11:00,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:11:00,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:11:00,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:11:00,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:11:00,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:11:00,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 00:11:00,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:11:00,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:11:00,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:11:00,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:11:00,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:11:00,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:11:00,968 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:11:00,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:11:00,975 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:11:00,975 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:11:00,976 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:11:00,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:11:00,977 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:11:00,977 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:11:00,977 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:11:00,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:11:00,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:11:00,978 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:11:00,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:11:00,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:11:00,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:11:00,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:11:00,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:11:00,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:11:00,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:11:00,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:11:00,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:11:00,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:11:00,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:11:00,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:11:00,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:11:00,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:11:00,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:00,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:11:00,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:11:00,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:11:00,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:11:00,983 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:11:00,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:11:00,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:11:00,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:11:00,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-22 00:11:01,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:11:01,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:11:01,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:11:01,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:11:01,252 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:11:01,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-22 00:11:04,406 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:11:04,672 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:11:04,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-22 00:11:04,684 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/data/943cdbf4b/eb74d70b513549069bfd171832ab446b/FLAG54d1af375 [2022-11-22 00:11:04,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/data/943cdbf4b/eb74d70b513549069bfd171832ab446b [2022-11-22 00:11:04,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:11:04,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:11:04,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:04,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:11:04,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:11:04,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8b9347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:04, skipping insertion in model container [2022-11-22 00:11:04,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:04" (1/1) ... [2022-11-22 00:11:04,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:11:04,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:11:05,132 WARN L237 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-22 00:11:05,145 WARN L237 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-22 00:11:05,151 WARN L237 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-22 00:11:05,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:05,179 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:11:05,238 WARN L237 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-22 00:11:05,247 WARN L237 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-22 00:11:05,254 WARN L237 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_1e7c10bb-8543-4b3c-b552-9164ba0356ab/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-22 00:11:05,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:05,313 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:11:05,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05 WrapperNode [2022-11-22 00:11:05,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:05,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:05,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:11:05,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:11:05,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,362 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2022-11-22 00:11:05,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:05,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:11:05,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:11:05,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:11:05,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:11:05,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:11:05,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:11:05,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:11:05,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (1/1) ... [2022-11-22 00:11:05,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:05,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:05,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:11:05,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:11:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:11:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-22 00:11:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-22 00:11:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-22 00:11:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-22 00:11:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:11:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 00:11:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:11:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:11:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:11:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:11:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:11:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:11:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:11:05,501 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:11:05,649 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:11:05,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:11:06,018 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:11:06,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:11:06,031 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 00:11:06,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:06 BoogieIcfgContainer [2022-11-22 00:11:06,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:11:06,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:11:06,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:11:06,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:11:06,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:11:04" (1/3) ... [2022-11-22 00:11:06,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7007b587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:06, skipping insertion in model container [2022-11-22 00:11:06,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:05" (2/3) ... [2022-11-22 00:11:06,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7007b587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:06, skipping insertion in model container [2022-11-22 00:11:06,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:06" (3/3) ... [2022-11-22 00:11:06,061 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-22 00:11:06,070 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:11:06,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:11:06,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 00:11:06,078 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:11:06,171 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 00:11:06,207 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:11:06,235 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 158 transitions, 332 flow [2022-11-22 00:11:06,238 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 158 transitions, 332 flow [2022-11-22 00:11:06,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 158 transitions, 332 flow [2022-11-22 00:11:06,339 INFO L130 PetriNetUnfolder]: 11/156 cut-off events. [2022-11-22 00:11:06,339 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 00:11:06,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 156 events. 11/156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2022-11-22 00:11:06,352 INFO L119 LiptonReduction]: Number of co-enabled transitions 4890 [2022-11-22 00:11:24,811 INFO L134 LiptonReduction]: Checked pairs total: 9602 [2022-11-22 00:11:24,811 INFO L136 LiptonReduction]: Total number of compositions: 152 [2022-11-22 00:11:24,820 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 39 transitions, 94 flow [2022-11-22 00:11:24,858 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 260 states, 255 states have (on average 3.0862745098039217) internal successors, (787), 259 states have internal predecessors, (787), 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) [2022-11-22 00:11:24,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:11:24,885 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c842c24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:11:24,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 00:11:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 260 states, 255 states have (on average 3.0862745098039217) internal successors, (787), 259 states have internal predecessors, (787), 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) [2022-11-22 00:11:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:11:24,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:24,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 00:11:24,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:24,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:24,900 INFO L85 PathProgramCache]: Analyzing trace with hash 19457908, now seen corresponding path program 1 times [2022-11-22 00:11:24,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:24,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196262020] [2022-11-22 00:11:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:24,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:25,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:25,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196262020] [2022-11-22 00:11:25,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196262020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:25,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:25,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:11:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779289224] [2022-11-22 00:11:25,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:25,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 00:11:25,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:25,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 00:11:25,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 00:11:25,171 INFO L87 Difference]: Start difference. First operand has 260 states, 255 states have (on average 3.0862745098039217) internal successors, (787), 259 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 00:11:25,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:25,266 INFO L93 Difference]: Finished difference Result 238 states and 661 transitions. [2022-11-22 00:11:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 00:11:25,269 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-22 00:11:25,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:25,288 INFO L225 Difference]: With dead ends: 238 [2022-11-22 00:11:25,288 INFO L226 Difference]: Without dead ends: 238 [2022-11-22 00:11:25,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 00:11:25,296 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:25,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-22 00:11:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-11-22 00:11:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 235 states have (on average 2.8127659574468087) internal successors, (661), 237 states have internal predecessors, (661), 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) [2022-11-22 00:11:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 661 transitions. [2022-11-22 00:11:25,385 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 661 transitions. Word has length 4 [2022-11-22 00:11:25,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:25,386 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 661 transitions. [2022-11-22 00:11:25,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 00:11:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 661 transitions. [2022-11-22 00:11:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 00:11:25,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:25,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 00:11:25,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:11:25,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:25,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:25,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1519123410, now seen corresponding path program 1 times [2022-11-22 00:11:25,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:25,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862197307] [2022-11-22 00:11:25,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:25,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:25,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862197307] [2022-11-22 00:11:25,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862197307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:25,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:25,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:11:25,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726371653] [2022-11-22 00:11:25,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:25,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:11:25,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:25,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:11:25,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:25,727 INFO L87 Difference]: Start difference. First operand 238 states and 661 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-22 00:11:25,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:25,842 INFO L93 Difference]: Finished difference Result 350 states and 958 transitions. [2022-11-22 00:11:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:25,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-22 00:11:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:25,846 INFO L225 Difference]: With dead ends: 350 [2022-11-22 00:11:25,846 INFO L226 Difference]: Without dead ends: 350 [2022-11-22 00:11:25,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:25,847 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:25,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 8 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:25,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-22 00:11:25,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 342. [2022-11-22 00:11:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 339 states have (on average 2.799410029498525) internal successors, (949), 341 states have internal predecessors, (949), 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) [2022-11-22 00:11:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 949 transitions. [2022-11-22 00:11:25,869 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 949 transitions. Word has length 6 [2022-11-22 00:11:25,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:25,870 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 949 transitions. [2022-11-22 00:11:25,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-22 00:11:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 949 transitions. [2022-11-22 00:11:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 00:11:25,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:25,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:25,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:11:25,872 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:25,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:25,873 INFO L85 PathProgramCache]: Analyzing trace with hash -151817631, now seen corresponding path program 1 times [2022-11-22 00:11:25,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:25,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762999108] [2022-11-22 00:11:25,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:25,901 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:25,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658069951] [2022-11-22 00:11:25,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:25,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:25,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:11:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:26,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 00:11:26,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:26,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:26,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:26,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762999108] [2022-11-22 00:11:26,139 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:26,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658069951] [2022-11-22 00:11:26,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658069951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:26,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:26,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:11:26,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739867142] [2022-11-22 00:11:26,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:26,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:26,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:26,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:26,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:26,141 INFO L87 Difference]: Start difference. First operand 342 states and 949 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-22 00:11:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:26,321 INFO L93 Difference]: Finished difference Result 386 states and 1065 transitions. [2022-11-22 00:11:26,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:26,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 [2022-11-22 00:11:26,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:26,328 INFO L225 Difference]: With dead ends: 386 [2022-11-22 00:11:26,328 INFO L226 Difference]: Without dead ends: 386 [2022-11-22 00:11:26,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:26,330 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 38 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:26,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 16 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:11:26,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-11-22 00:11:26,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364. [2022-11-22 00:11:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 361 states have (on average 2.789473684210526) internal successors, (1007), 363 states have internal predecessors, (1007), 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) [2022-11-22 00:11:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 1007 transitions. [2022-11-22 00:11:26,363 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 1007 transitions. Word has length 7 [2022-11-22 00:11:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:26,364 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 1007 transitions. [2022-11-22 00:11:26,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-22 00:11:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1007 transitions. [2022-11-22 00:11:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:11:26,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:26,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:26,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 00:11:26,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:26,574 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:26,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:26,575 INFO L85 PathProgramCache]: Analyzing trace with hash -77230710, now seen corresponding path program 1 times [2022-11-22 00:11:26,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:26,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479364392] [2022-11-22 00:11:26,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:26,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:26,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:26,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479364392] [2022-11-22 00:11:26,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479364392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:26,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:26,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:11:26,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588349799] [2022-11-22 00:11:26,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:26,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:11:26,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:26,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:11:26,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:26,753 INFO L87 Difference]: Start difference. First operand 364 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 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) [2022-11-22 00:11:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:26,889 INFO L93 Difference]: Finished difference Result 432 states and 1163 transitions. [2022-11-22 00:11:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:26,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 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 8 [2022-11-22 00:11:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:26,895 INFO L225 Difference]: With dead ends: 432 [2022-11-22 00:11:26,895 INFO L226 Difference]: Without dead ends: 394 [2022-11-22 00:11:26,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:26,902 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:26,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:26,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-11-22 00:11:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 370. [2022-11-22 00:11:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 366 states have (on average 2.80327868852459) internal successors, (1026), 369 states have internal predecessors, (1026), 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) [2022-11-22 00:11:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1026 transitions. [2022-11-22 00:11:26,928 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1026 transitions. Word has length 8 [2022-11-22 00:11:26,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:26,929 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 1026 transitions. [2022-11-22 00:11:26,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 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) [2022-11-22 00:11:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1026 transitions. [2022-11-22 00:11:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:11:26,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:26,943 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:26,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:11:26,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:26,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:26,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1431982108, now seen corresponding path program 1 times [2022-11-22 00:11:26,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:26,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865618444] [2022-11-22 00:11:26,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:26,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:26,968 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:26,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070719771] [2022-11-22 00:11:26,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:26,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:26,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:26,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:27,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 00:11:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:27,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:11:27,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:27,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:27,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:27,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865618444] [2022-11-22 00:11:27,181 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:27,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070719771] [2022-11-22 00:11:27,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070719771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:27,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:27,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:11:27,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550230504] [2022-11-22 00:11:27,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:27,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:27,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:27,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:27,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:27,184 INFO L87 Difference]: Start difference. First operand 370 states and 1026 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-22 00:11:27,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:27,245 INFO L93 Difference]: Finished difference Result 310 states and 836 transitions. [2022-11-22 00:11:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:27,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-11-22 00:11:27,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:27,248 INFO L225 Difference]: With dead ends: 310 [2022-11-22 00:11:27,248 INFO L226 Difference]: Without dead ends: 288 [2022-11-22 00:11:27,248 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:11:27,249 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:27,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 4 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-22 00:11:27,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 270. [2022-11-22 00:11:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 2.646840148698885) internal successors, (712), 269 states have internal predecessors, (712), 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) [2022-11-22 00:11:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 712 transitions. [2022-11-22 00:11:27,266 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 712 transitions. Word has length 13 [2022-11-22 00:11:27,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:27,267 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 712 transitions. [2022-11-22 00:11:27,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-22 00:11:27,267 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 712 transitions. [2022-11-22 00:11:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:11:27,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:27,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:27,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 00:11:27,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:27,481 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:27,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:27,482 INFO L85 PathProgramCache]: Analyzing trace with hash 402174464, now seen corresponding path program 1 times [2022-11-22 00:11:27,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:27,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857777142] [2022-11-22 00:11:27,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:27,501 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:27,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [89221697] [2022-11-22 00:11:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:27,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:27,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:27,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:27,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 00:11:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:27,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 00:11:27,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:27,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:11:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:27,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:27,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:27,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857777142] [2022-11-22 00:11:27,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:27,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89221697] [2022-11-22 00:11:27,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89221697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:27,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:27,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:11:27,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469893169] [2022-11-22 00:11:27,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:27,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:11:27,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:27,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:11:27,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:27,679 INFO L87 Difference]: Start difference. First operand 270 states and 712 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:27,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:27,750 INFO L93 Difference]: Finished difference Result 144 states and 312 transitions. [2022-11-22 00:11:27,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:27,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 00:11:27,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:27,752 INFO L225 Difference]: With dead ends: 144 [2022-11-22 00:11:27,752 INFO L226 Difference]: Without dead ends: 140 [2022-11-22 00:11:27,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:27,753 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:27,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:27,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-22 00:11:27,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 110. [2022-11-22 00:11:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 2.238532110091743) internal successors, (244), 109 states have internal predecessors, (244), 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) [2022-11-22 00:11:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 244 transitions. [2022-11-22 00:11:27,757 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 244 transitions. Word has length 15 [2022-11-22 00:11:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:27,758 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 244 transitions. [2022-11-22 00:11:27,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 244 transitions. [2022-11-22 00:11:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:11:27,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:27,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:27,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 00:11:27,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:27,961 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:27,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:27,962 INFO L85 PathProgramCache]: Analyzing trace with hash -855219302, now seen corresponding path program 1 times [2022-11-22 00:11:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:27,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339103451] [2022-11-22 00:11:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:27,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:27,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:27,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441356478] [2022-11-22 00:11:27,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:27,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:27,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:27,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:28,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 00:11:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:28,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-22 00:11:28,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:28,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:28,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:28,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339103451] [2022-11-22 00:11:28,539 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441356478] [2022-11-22 00:11:28,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441356478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:28,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:28,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:11:28,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15926927] [2022-11-22 00:11:28,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:28,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:28,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:28,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:28,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:28,541 INFO L87 Difference]: Start difference. First operand 110 states and 244 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:28,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:28,653 INFO L93 Difference]: Finished difference Result 198 states and 437 transitions. [2022-11-22 00:11:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:28,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-22 00:11:28,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:28,656 INFO L225 Difference]: With dead ends: 198 [2022-11-22 00:11:28,656 INFO L226 Difference]: Without dead ends: 198 [2022-11-22 00:11:28,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:28,657 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:28,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:28,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-22 00:11:28,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 180. [2022-11-22 00:11:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 2.2402234636871508) internal successors, (401), 179 states have internal predecessors, (401), 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) [2022-11-22 00:11:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 401 transitions. [2022-11-22 00:11:28,663 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 401 transitions. Word has length 16 [2022-11-22 00:11:28,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:28,663 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 401 transitions. [2022-11-22 00:11:28,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 401 transitions. [2022-11-22 00:11:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:11:28,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:28,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:28,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-22 00:11:28,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:28,871 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash -742016080, now seen corresponding path program 1 times [2022-11-22 00:11:28,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:28,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394430038] [2022-11-22 00:11:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:28,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:28,897 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:28,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959299947] [2022-11-22 00:11:28,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:28,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:28,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:28,899 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:28,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 00:11:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:29,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-22 00:11:29,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:11:29,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 12 [2022-11-22 00:11:29,128 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 00:11:29,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-11-22 00:11:29,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-22 00:11:29,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-22 00:11:29,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2022-11-22 00:11:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:29,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:29,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:29,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394430038] [2022-11-22 00:11:29,479 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:29,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959299947] [2022-11-22 00:11:29,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959299947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:29,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:29,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:11:29,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58137957] [2022-11-22 00:11:29,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:29,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 00:11:29,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:29,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 00:11:29,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:11:29,482 INFO L87 Difference]: Start difference. First operand 180 states and 401 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-11-22 00:11:29,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:29,683 INFO L93 Difference]: Finished difference Result 292 states and 643 transitions. [2022-11-22 00:11:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:11:29,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-22 00:11:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:29,685 INFO L225 Difference]: With dead ends: 292 [2022-11-22 00:11:29,685 INFO L226 Difference]: Without dead ends: 266 [2022-11-22 00:11:29,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-22 00:11:29,686 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 81 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:29,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 14 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:11:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-22 00:11:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 238. [2022-11-22 00:11:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 2.2362869198312234) internal successors, (530), 237 states have internal predecessors, (530), 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) [2022-11-22 00:11:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 530 transitions. [2022-11-22 00:11:29,693 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 530 transitions. Word has length 17 [2022-11-22 00:11:29,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:29,694 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 530 transitions. [2022-11-22 00:11:29,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-11-22 00:11:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 530 transitions. [2022-11-22 00:11:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:11:29,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:29,695 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:29,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 00:11:29,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:29,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:29,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:29,902 INFO L85 PathProgramCache]: Analyzing trace with hash -79284319, now seen corresponding path program 1 times [2022-11-22 00:11:29,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:29,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196859108] [2022-11-22 00:11:29,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:29,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:29,928 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:29,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098317283] [2022-11-22 00:11:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:29,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:29,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:29,930 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:29,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 00:11:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:30,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:11:30,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:30,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:30,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:30,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196859108] [2022-11-22 00:11:30,097 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:30,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098317283] [2022-11-22 00:11:30,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098317283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:30,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:30,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:11:30,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540889561] [2022-11-22 00:11:30,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:30,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:11:30,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:11:30,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:30,099 INFO L87 Difference]: Start difference. First operand 238 states and 530 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:30,160 INFO L93 Difference]: Finished difference Result 156 states and 328 transitions. [2022-11-22 00:11:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:30,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-22 00:11:30,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:30,162 INFO L225 Difference]: With dead ends: 156 [2022-11-22 00:11:30,162 INFO L226 Difference]: Without dead ends: 124 [2022-11-22 00:11:30,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:30,163 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:30,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:11:30,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-22 00:11:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-22 00:11:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 2.048780487804878) internal successors, (252), 123 states have internal predecessors, (252), 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) [2022-11-22 00:11:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 252 transitions. [2022-11-22 00:11:30,167 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 252 transitions. Word has length 19 [2022-11-22 00:11:30,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:30,167 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 252 transitions. [2022-11-22 00:11:30,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 252 transitions. [2022-11-22 00:11:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-22 00:11:30,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:30,169 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:30,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 00:11:30,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:30,369 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:30,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2073719096, now seen corresponding path program 1 times [2022-11-22 00:11:30,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:30,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939541479] [2022-11-22 00:11:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:30,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:30,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:30,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [650290011] [2022-11-22 00:11:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:30,393 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:30,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 00:11:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:30,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-22 00:11:30,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:31,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:11:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:35,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:35,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939541479] [2022-11-22 00:11:35,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:35,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650290011] [2022-11-22 00:11:35,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650290011] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:11:35,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1457362814] [2022-11-22 00:11:35,227 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 00:11:35,230 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-22 00:11:35,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2022-11-22 00:11:35,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002421006] [2022-11-22 00:11:35,230 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-22 00:11:35,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 00:11:35,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:35,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 00:11:35,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-22 00:11:35,232 INFO L87 Difference]: Start difference. First operand 124 states and 252 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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) [2022-11-22 00:11:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:38,832 INFO L93 Difference]: Finished difference Result 218 states and 436 transitions. [2022-11-22 00:11:38,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 00:11:38,833 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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 30 [2022-11-22 00:11:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:38,834 INFO L225 Difference]: With dead ends: 218 [2022-11-22 00:11:38,834 INFO L226 Difference]: Without dead ends: 218 [2022-11-22 00:11:38,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-11-22 00:11:38,835 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 149 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:38,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 48 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-22 00:11:38,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-22 00:11:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 192. [2022-11-22 00:11:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 2.0471204188481678) internal successors, (391), 191 states have internal predecessors, (391), 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) [2022-11-22 00:11:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 391 transitions. [2022-11-22 00:11:38,842 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 391 transitions. Word has length 30 [2022-11-22 00:11:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:38,842 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 391 transitions. [2022-11-22 00:11:38,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 states have internal predecessors, (59), 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) [2022-11-22 00:11:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 391 transitions. [2022-11-22 00:11:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-22 00:11:38,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:38,844 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:38,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 00:11:39,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 00:11:39,061 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:11:39,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:39,062 INFO L85 PathProgramCache]: Analyzing trace with hash 139195970, now seen corresponding path program 1 times [2022-11-22 00:11:39,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:39,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480372103] [2022-11-22 00:11:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:39,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:39,085 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:11:39,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775049028] [2022-11-22 00:11:39,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:39,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:39,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:39,090 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:39,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 00:11:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:39,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-22 00:11:39,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:39,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:11:40,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-22 00:11:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:40,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:11:40,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 00:11:40,378 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 00:11:40,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 76 [2022-11-22 00:11:40,505 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 00:11:40,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 135 [2022-11-22 00:11:49,245 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:49,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:49,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480372103] [2022-11-22 00:11:49,245 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 00:11:49,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775049028] [2022-11-22 00:11:49,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775049028] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:11:49,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [595358938] [2022-11-22 00:11:49,246 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 00:11:49,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-22 00:11:49,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2022-11-22 00:11:49,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176947647] [2022-11-22 00:11:49,248 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-22 00:11:49,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-22 00:11:49,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:49,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-22 00:11:49,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2022-11-22 00:11:49,250 INFO L87 Difference]: Start difference. First operand 192 states and 391 transitions. Second operand has 24 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 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) [2022-11-22 00:12:33,164 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 92 DAG size of output: 77 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 00:13:07,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:13:07,101 INFO L93 Difference]: Finished difference Result 474 states and 943 transitions. [2022-11-22 00:13:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-22 00:13:07,102 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 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 31 [2022-11-22 00:13:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:13:07,104 INFO L225 Difference]: With dead ends: 474 [2022-11-22 00:13:07,105 INFO L226 Difference]: Without dead ends: 418 [2022-11-22 00:13:07,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 68.8s TimeCoverageRelationStatistics Valid=556, Invalid=3226, Unknown=0, NotChecked=0, Total=3782 [2022-11-22 00:13:07,107 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 532 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:13:07,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 109 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-11-22 00:13:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-11-22 00:13:07,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 222. [2022-11-22 00:13:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.9547511312217194) internal successors, (432), 221 states have internal predecessors, (432), 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) [2022-11-22 00:13:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 432 transitions. [2022-11-22 00:13:07,117 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 432 transitions. Word has length 31 [2022-11-22 00:13:07,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:07,117 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 432 transitions. [2022-11-22 00:13:07,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.6956521739130435) internal successors, (62), 23 states have internal predecessors, (62), 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) [2022-11-22 00:13:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 432 transitions. [2022-11-22 00:13:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 00:13:07,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:07,119 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:07,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 00:13:07,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 00:13:07,328 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-22 00:13:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1147554724, now seen corresponding path program 2 times [2022-11-22 00:13:07,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:07,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886056702] [2022-11-22 00:13:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:07,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:07,353 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 00:13:07,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709136566] [2022-11-22 00:13:07,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 00:13:07,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:13:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:13:07,355 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:13:07,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e7c10bb-8543-4b3c-b552-9164ba0356ab/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 00:13:09,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 00:13:09,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 00:13:09,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-22 00:13:09,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:13:09,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:13:09,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 12 [2022-11-22 00:13:09,362 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 00:13:09,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2022-11-22 00:13:09,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-22 00:13:09,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2022-11-22 00:13:09,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-11-22 00:13:15,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 66 [2022-11-22 00:13:25,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 72 [2022-11-22 00:13:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:13:29,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:14:00,274 WARN L233 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 70 DAG size of output: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 00:14:22,329 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 00:14:33,120 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 00:14:49,205 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 00:15:11,643 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 00:22:53,506 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse119 (mod c_~first~0 4294967296)) (.cse120 (mod (+ c_~first~0 1) 4294967296))) (let ((.cse20 (<= .cse120 2147483647)) (.cse19 (<= .cse119 2147483647))) (let ((.cse4 (+ |c_~#buffer~0.offset| .cse119 (- 4294967296))) (.cse52 (not .cse19)) (.cse40 (+ |c_~#buffer~0.offset| .cse120)) (.cse51 (not .cse20)) (.cse10 (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (.cse9 (+ |c_~#buffer~0.offset| .cse120 (- 4294967296))) (.cse26 (+ |c_~#buffer~0.offset| .cse119)) (.cse0 (mod c_~buffer_size~0 4294967296)) (.cse11 (select |c_#memory_int| |c_~#buffer~0.base|))) (and (or (< (mod (+ 2 c_~first~0) 4294967296) .cse0) (and (or (and (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse8 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse2 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse6 (+ .cse1 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse5 (+ .cse1 .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse7 (+ .cse1 .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse8)) (.cse3 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse1 .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse3 .cse4))) (<= 8589934591 .cse5) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse6) (< .cse6 4294967295) (< .cse5 4294967295) (<= 8589934591 .cse7) (< .cse7 4294967295) (<= .cse0 (mod (mod (+ .cse1 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse1 .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse8) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (not (= (select (store .cse3 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9) .cse10)))))) (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse18 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse13 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse12 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse15 (+ .cse12 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse14 (+ .cse12 .cse13 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse17 (+ .cse12 .cse13 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse18)) (.cse16 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse12 .cse13 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse14) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse15) (< .cse15 4294967295) (< .cse14 4294967295) (not (= (select .cse16 .cse4) |c_t1Thread1of1ForFork0_~i~0#1|)) (<= 8589934591 .cse17) (< .cse17 4294967295) (<= .cse0 (mod (mod (+ .cse12 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse12 .cse13 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse18) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (not (= (select (store .cse16 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9) .cse10)) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647)))))) .cse19 .cse20) (or (and (or (and (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse28 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse22 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse21 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse24 (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse23 (+ .cse21 .cse22 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse27 (+ .cse21 .cse22 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse28)) (.cse25 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse21 .cse22 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse23) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse24) (< .cse24 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse25 .cse26))) (< .cse23 4294967295) (<= 8589934591 .cse27) (< .cse27 4294967295) (<= .cse0 (mod (mod (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse21 .cse22 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse28) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (not (= (select (store .cse25 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9) .cse10)))))) (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse35 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse30 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse29 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse33 (+ .cse29 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse31 (+ .cse29 .cse30 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse34 (+ .cse29 .cse30 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse35)) (.cse32 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_801))) (or (<= (mod (mod (+ .cse29 .cse30 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse31) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse32 .cse26))) (<= 8589934591 .cse33) (< .cse33 4294967295) (< .cse31 4294967295) (<= 8589934591 .cse34) (< .cse34 4294967295) (<= .cse0 (mod (mod (+ .cse29 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse29 .cse30 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse35) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (not (= (select (store .cse32 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9) .cse10)) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647)))))) .cse20) (or (and (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse43 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse37 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse36 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse39 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_801)) (.cse41 (+ .cse36 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse38 (+ .cse36 .cse37 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse42 (+ .cse36 .cse37 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse43))) (or (<= (mod (mod (+ .cse36 .cse37 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse38) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse39 .cse26))) (not (= (select (store .cse39 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse40) .cse10)) (<= 8589934591 .cse41) (< .cse41 4294967295) (< .cse38 4294967295) (<= 8589934591 .cse42) (< .cse42 4294967295) (<= .cse0 (mod (mod (+ .cse36 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse36 .cse37 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse43) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647))))) (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int)) (let ((.cse50 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse46 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse45 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse48 (+ .cse45 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse44 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_801)) (.cse47 (+ .cse45 .cse46 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse49 (+ .cse45 .cse46 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 .cse50))) (or (not (= (select (store .cse44 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse40) .cse10)) (<= (mod (mod (+ .cse45 .cse46 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse47) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse48) (< .cse48 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse44 .cse26))) (< .cse47 4294967295) (<= 8589934591 .cse49) (< .cse49 4294967295) (<= .cse0 (mod (mod (+ .cse45 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse0) 4294967296)) (<= (mod (mod (mod (+ (mod (+ .cse45 .cse46 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295) .cse50) .cse0) 1) 4294967296) .cse0) 4294967296) 0)))))) .cse51)) .cse52))) (or (and (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse58 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse59 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse57 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse55 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse54 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57)) (.cse53 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57 .cse58 .cse59 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse56 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57 .cse58 .cse59)) (.cse60 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57 .cse59))) (or (<= 8589934591 .cse53) (< .cse54 4294967295) (not (= .cse10 (select (store .cse55 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse40))) (<= 8589934591 .cse56) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57 .cse58 .cse59 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse60) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57 .cse59 (- 4294967295)) .cse0) 4294967296)) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse55 .cse4))) (<= 8589934591 .cse54) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse57 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse53 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse56 4294967295) (< .cse60 4294967295))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse65 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse66 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse64 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse62 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64)) (.cse61 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64 .cse65 .cse66 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse63 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64 .cse65 .cse66)) (.cse68 (store .cse11 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse67 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64 .cse66))) (or (<= 8589934591 .cse61) (< .cse62 4294967295) (<= 8589934591 .cse63) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64 .cse65 .cse66 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse67) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64 .cse66 (- 4294967295)) .cse0) 4294967296)) (<= 8589934591 .cse62) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse64 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse61 4294967295) (not (= (select .cse68 .cse4) |c_t1Thread1of1ForFork0_~i~0#1|)) (< .cse63 4294967295) (not (= .cse10 (select (store .cse68 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse40))) (< .cse67 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83)))))) .cse51) (or .cse20 (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse73 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse74 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse72 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse76 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse70 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72)) (.cse69 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72 .cse73 .cse74 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse71 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72 .cse73 .cse74)) (.cse75 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72 .cse74))) (or (<= 8589934591 .cse69) (< .cse70 4294967295) (<= 8589934591 .cse71) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72 .cse73 .cse74 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse75) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72 .cse74 (- 4294967295)) .cse0) 4294967296)) (not (= .cse10 (select (store .cse76 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9))) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse76 .cse4))) (<= 8589934591 .cse70) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse72 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse69 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse71 4294967295) (< .cse75 4294967295))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse81 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse82 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse80 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse78 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80)) (.cse77 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80 .cse81 .cse82 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse84 (store .cse11 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse79 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80 .cse81 .cse82)) (.cse83 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80 .cse82))) (or (<= 8589934591 .cse77) (< .cse78 4294967295) (<= 8589934591 .cse79) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80 .cse81 .cse82 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse83) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80 .cse82 (- 4294967295)) .cse0) 4294967296)) (<= 8589934591 .cse78) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse80 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse77 4294967295) (not (= (select (store .cse84 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9) .cse10)) (not (= (select .cse84 .cse4) |c_t1Thread1of1ForFork0_~i~0#1|)) (< .cse79 4294967295) (< .cse83 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83)))))))) .cse19) (or .cse52 (and (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse90 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse91 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse93 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse89 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse87 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse86 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89)) (.cse85 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 .cse90 .cse91 .cse93)) (.cse88 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 .cse90 .cse91)) (.cse92 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 .cse91))) (or (<= 8589934591 .cse85) (< .cse86 4294967295) (not (= .cse10 (select (store .cse87 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse40))) (<= 8589934591 .cse88) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 .cse90 .cse91 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse92) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 .cse91 (- 4294967295)) .cse0) 4294967296)) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse87 .cse26))) (<= 8589934591 .cse86) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse85 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse88 4294967295) (<= (mod (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse89 .cse90 .cse91 (- 4294967295) .cse93) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (< .cse92 4294967295))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse98 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse99 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse102 (* aux_div_aux_mod_~next~0_30_35 4294967296)) (.cse97 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse95 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97)) (.cse94 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 .cse98 .cse99 .cse102)) (.cse96 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 .cse98 .cse99)) (.cse101 (store .cse11 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse100 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 .cse99))) (or (<= 8589934591 .cse94) (< .cse95 4294967295) (<= 8589934591 .cse96) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 .cse98 .cse99 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse100) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 .cse99 (- 4294967295)) .cse0) 4294967296)) (<= 8589934591 .cse95) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse94 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse101 .cse26))) (< .cse96 4294967295) (not (= .cse10 (select (store .cse101 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse40))) (<= (mod (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse97 .cse98 .cse99 (- 4294967295) .cse102) .cse0) 1) 4294967296) .cse0) 4294967296) 0) (< .cse100 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83)))))) .cse51) (or (and (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse107 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse108 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse106 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse104 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106)) (.cse103 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse110 (store .cse11 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse105 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108)) (.cse109 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse108))) (or (<= 8589934591 .cse103) (< .cse104 4294967295) (<= 8589934591 .cse105) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse107 .cse108 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse109) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 .cse108 (- 4294967295)) .cse0) 4294967296)) (<= 8589934591 .cse104) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse106 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse103 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse110 .cse26))) (not (= (select (store .cse110 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9) .cse10)) (< .cse105 4294967295) (< .cse109 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 2147483647) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83))))) (forall ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (v_ArrVal_803 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57 Int) (aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_801 Int)) (let ((.cse115 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse116 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57)) (.cse114 (* aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296))) (let ((.cse118 (store .cse11 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 4294967296)) v_ArrVal_801)) (.cse112 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114)) (.cse111 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114 .cse115 .cse116 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse113 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114 .cse115 .cse116)) (.cse117 (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114 .cse116))) (or (<= 8589934591 .cse111) (< .cse112 4294967295) (<= 8589934591 .cse113) (<= (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114 .cse115 .cse116 (- 4294967295)) .cse0) 4294967296) 0) (<= 8589934591 .cse117) (<= .cse0 (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114 .cse116 (- 4294967295)) .cse0) 4294967296)) (not (= .cse10 (select (store .cse118 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 1) 4294967296) .cse0) 4294967296)) v_ArrVal_803) .cse9))) (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse118 .cse26))) (<= 8589934591 .cse112) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83 .cse114 (- 4294967295)) .cse0) 1) 4294967296) .cse0) 1) 4294967296) .cse0) 4294967296)) (< .cse111 4294967295) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_57_83) (< .cse113 4294967295) (< .cse117 4294967295)))))) .cse20))))))) is different from true