./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/nr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4885a4fffd0288753086daaa59bdb12816a7be62636dc49311bbb97ad277d866 --- 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-8393723 [2022-11-18 18:24:35,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:24:35,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:24:35,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:24:35,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:24:35,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:24:35,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:24:35,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:24:35,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:24:35,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:24:35,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:24:35,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:24:35,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:24:35,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:24:35,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:24:35,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:24:35,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:24:35,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:24:35,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:24:35,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:24:35,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:24:35,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:24:35,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:24:35,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:24:35,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:24:35,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:24:35,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:24:35,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:24:35,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:24:35,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:24:35,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:24:35,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:24:35,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:24:35,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:24:35,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:24:35,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:24:35,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:24:35,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:24:35,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:24:35,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:24:35,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:24:35,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 18:24:35,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:24:35,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:24:35,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:24:35,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:24:35,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:24:35,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:24:35,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:24:35,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:24:35,966 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:24:35,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:24:35,968 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:24:35,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:24:35,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:24:35,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:24:35,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:24:35,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:24:35,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:24:35,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:24:35,970 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:24:35,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:24:35,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:24:35,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:24:35,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:24:35,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:24:35,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:24:35,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:24:35,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:24:35,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:24:35,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:24:35,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:24:35,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:24:35,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:24:35,977 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:24:35,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:24:35,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:24:35,978 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_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4885a4fffd0288753086daaa59bdb12816a7be62636dc49311bbb97ad277d866 [2022-11-18 18:24:36,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:24:36,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:24:36,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:24:36,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:24:36,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:24:36,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-tiling/nr3.c [2022-11-18 18:24:36,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/data/dae6cafb8/770c9da154654b28a495b63c2fa1e264/FLAGd0a80ff84 [2022-11-18 18:24:36,928 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:24:36,929 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/sv-benchmarks/c/array-tiling/nr3.c [2022-11-18 18:24:36,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/data/dae6cafb8/770c9da154654b28a495b63c2fa1e264/FLAGd0a80ff84 [2022-11-18 18:24:37,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/data/dae6cafb8/770c9da154654b28a495b63c2fa1e264 [2022-11-18 18:24:37,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:24:37,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:24:37,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:24:37,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:24:37,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:24:37,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a8ccdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37, skipping insertion in model container [2022-11-18 18:24:37,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:24:37,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:24:37,626 WARN L234 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_ae6419cd-e5c9-44c1-8b01-44ef5db28540/sv-benchmarks/c/array-tiling/nr3.c[394,407] [2022-11-18 18:24:37,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:24:37,667 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:24:37,680 WARN L234 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_ae6419cd-e5c9-44c1-8b01-44ef5db28540/sv-benchmarks/c/array-tiling/nr3.c[394,407] [2022-11-18 18:24:37,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:24:37,710 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:24:37,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37 WrapperNode [2022-11-18 18:24:37,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:24:37,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:24:37,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:24:37,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:24:37,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,748 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-11-18 18:24:37,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:24:37,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:24:37,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:24:37,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:24:37,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:24:37,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:24:37,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:24:37,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:24:37,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (1/1) ... [2022-11-18 18:24:37,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:24:37,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:37,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:24:37,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:24:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:24:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:24:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:24:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:24:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:24:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:24:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:24:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:24:37,939 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:24:37,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:24:38,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:24:38,210 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:24:38,223 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 18:24:38,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:24:38 BoogieIcfgContainer [2022-11-18 18:24:38,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:24:38,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:24:38,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:24:38,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:24:38,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:24:37" (1/3) ... [2022-11-18 18:24:38,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ef9d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:24:38, skipping insertion in model container [2022-11-18 18:24:38,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:24:37" (2/3) ... [2022-11-18 18:24:38,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74ef9d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:24:38, skipping insertion in model container [2022-11-18 18:24:38,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:24:38" (3/3) ... [2022-11-18 18:24:38,236 INFO L112 eAbstractionObserver]: Analyzing ICFG nr3.c [2022-11-18 18:24:38,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:24:38,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-18 18:24:38,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:24:38,323 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=PETRI_NET, 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;@58831584, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:24:38,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-18 18:24:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 55 states have internal predecessors, (67), 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) [2022-11-18 18:24:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 18:24:38,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:38,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:38,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:38,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:38,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2022-11-18 18:24:38,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:38,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994521101] [2022-11-18 18:24:38,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:38,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:38,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994521101] [2022-11-18 18:24:38,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994521101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:38,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:38,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:24:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190354903] [2022-11-18 18:24:38,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:38,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:24:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:38,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:24:38,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:24:38,563 INFO L87 Difference]: Start difference. First operand has 56 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2022-11-18 18:24:38,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:38,583 INFO L93 Difference]: Finished difference Result 107 states and 126 transitions. [2022-11-18 18:24:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:24:38,585 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2022-11-18 18:24:38,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:38,594 INFO L225 Difference]: With dead ends: 107 [2022-11-18 18:24:38,594 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 18:24:38,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:24:38,601 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:38,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:38,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 18:24:38,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-18 18:24:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.588235294117647) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2022-11-18 18:24:38,638 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 7 [2022-11-18 18:24:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:38,638 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2022-11-18 18:24:38,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2022-11-18 18:24:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-11-18 18:24:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 18:24:38,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:38,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:38,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:24:38,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:38,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:38,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2022-11-18 18:24:38,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:38,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925496736] [2022-11-18 18:24:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:38,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:39,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:39,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925496736] [2022-11-18 18:24:39,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925496736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:39,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:39,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:24:39,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377965489] [2022-11-18 18:24:39,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:39,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:24:39,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:24:39,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:39,031 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2022-11-18 18:24:39,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:39,122 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2022-11-18 18:24:39,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:39,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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 [2022-11-18 18:24:39,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:39,124 INFO L225 Difference]: With dead ends: 50 [2022-11-18 18:24:39,124 INFO L226 Difference]: Without dead ends: 48 [2022-11-18 18:24:39,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:24:39,127 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 145 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:39,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 45 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:39,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-18 18:24:39,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-18 18:24:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 47 states have internal predecessors, (52), 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) [2022-11-18 18:24:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2022-11-18 18:24:39,152 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 7 [2022-11-18 18:24:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:39,153 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2022-11-18 18:24:39,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2022-11-18 18:24:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-11-18 18:24:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 18:24:39,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:39,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:39,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:24:39,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:39,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1758336115, now seen corresponding path program 1 times [2022-11-18 18:24:39,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:39,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843831770] [2022-11-18 18:24:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:39,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:39,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:39,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843831770] [2022-11-18 18:24:39,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843831770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:39,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:39,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:39,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934397791] [2022-11-18 18:24:39,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:39,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:24:39,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:39,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:24:39,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:39,235 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:39,283 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2022-11-18 18:24:39,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:24:39,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-18 18:24:39,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:39,284 INFO L225 Difference]: With dead ends: 113 [2022-11-18 18:24:39,285 INFO L226 Difference]: Without dead ends: 71 [2022-11-18 18:24:39,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:39,286 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 23 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:39,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:39,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-18 18:24:39,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 49. [2022-11-18 18:24:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 48 states have internal predecessors, (53), 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) [2022-11-18 18:24:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-11-18 18:24:39,295 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 12 [2022-11-18 18:24:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:39,295 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-11-18 18:24:39,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-11-18 18:24:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 18:24:39,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:39,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:39,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:24:39,297 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:39,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337461, now seen corresponding path program 1 times [2022-11-18 18:24:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:39,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659101523] [2022-11-18 18:24:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:39,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:39,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659101523] [2022-11-18 18:24:39,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659101523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:39,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:39,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:24:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430338911] [2022-11-18 18:24:39,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:39,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:39,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:39,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:39,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:39,402 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:39,478 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2022-11-18 18:24:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:39,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-18 18:24:39,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:39,484 INFO L225 Difference]: With dead ends: 106 [2022-11-18 18:24:39,484 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 18:24:39,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:39,486 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 59 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 78 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 [2022-11-18 18:24:39,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 78 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 18:24:39,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2022-11-18 18:24:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.5) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2022-11-18 18:24:39,494 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 12 [2022-11-18 18:24:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:39,494 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2022-11-18 18:24:39,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-11-18 18:24:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 18:24:39,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:39,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:39,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:24:39,502 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:39,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:39,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337141, now seen corresponding path program 1 times [2022-11-18 18:24:39,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:39,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657227152] [2022-11-18 18:24:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:39,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:39,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:39,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657227152] [2022-11-18 18:24:39,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657227152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:39,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:39,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:24:39,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052702334] [2022-11-18 18:24:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:39,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:24:39,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:39,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:24:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:24:39,606 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:39,686 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2022-11-18 18:24:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:24:39,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-18 18:24:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:39,688 INFO L225 Difference]: With dead ends: 84 [2022-11-18 18:24:39,688 INFO L226 Difference]: Without dead ends: 80 [2022-11-18 18:24:39,688 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 [2022-11-18 18:24:39,696 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 24 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:39,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 61 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-18 18:24:39,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2022-11-18 18:24:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.5) internal successors, (81), 67 states have internal predecessors, (81), 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) [2022-11-18 18:24:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2022-11-18 18:24:39,706 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 12 [2022-11-18 18:24:39,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:39,707 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2022-11-18 18:24:39,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-11-18 18:24:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 18:24:39,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:39,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:39,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:24:39,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:39,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:39,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1839847543, now seen corresponding path program 1 times [2022-11-18 18:24:39,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:39,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336484393] [2022-11-18 18:24:39,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:39,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:39,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:39,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336484393] [2022-11-18 18:24:39,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336484393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:39,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:39,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:39,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656208148] [2022-11-18 18:24:39,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:39,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:39,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:39,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:39,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:39,858 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-18 18:24:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:39,967 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2022-11-18 18:24:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:39,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-11-18 18:24:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:39,969 INFO L225 Difference]: With dead ends: 91 [2022-11-18 18:24:39,969 INFO L226 Difference]: Without dead ends: 89 [2022-11-18 18:24:39,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:39,971 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 44 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:39,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 66 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:39,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-18 18:24:39,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 72. [2022-11-18 18:24:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 71 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2022-11-18 18:24:39,981 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 14 [2022-11-18 18:24:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:39,982 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2022-11-18 18:24:39,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-18 18:24:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2022-11-18 18:24:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-18 18:24:39,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:39,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:39,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:24:39,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:39,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:39,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1175558210, now seen corresponding path program 1 times [2022-11-18 18:24:39,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:39,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107025564] [2022-11-18 18:24:39,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:39,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:40,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:40,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107025564] [2022-11-18 18:24:40,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107025564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:40,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:40,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:40,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183480820] [2022-11-18 18:24:40,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:40,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:40,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:40,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:40,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:40,092 INFO L87 Difference]: Start difference. First operand 72 states and 85 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-11-18 18:24:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:40,181 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2022-11-18 18:24:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:40,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 [2022-11-18 18:24:40,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:40,185 INFO L225 Difference]: With dead ends: 82 [2022-11-18 18:24:40,186 INFO L226 Difference]: Without dead ends: 80 [2022-11-18 18:24:40,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:40,191 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:40,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 115 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-18 18:24:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-18 18:24:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 79 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:40,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2022-11-18 18:24:40,216 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 17 [2022-11-18 18:24:40,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:40,216 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2022-11-18 18:24:40,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-11-18 18:24:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-11-18 18:24:40,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-18 18:24:40,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:40,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:40,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:24:40,218 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:40,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:40,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1474400199, now seen corresponding path program 1 times [2022-11-18 18:24:40,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:40,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4002002] [2022-11-18 18:24:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:40,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:40,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:40,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4002002] [2022-11-18 18:24:40,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4002002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:40,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:40,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:40,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543702026] [2022-11-18 18:24:40,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:40,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:40,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:40,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:40,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:40,276 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-11-18 18:24:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:40,343 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2022-11-18 18:24:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:40,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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 [2022-11-18 18:24:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:40,345 INFO L225 Difference]: With dead ends: 96 [2022-11-18 18:24:40,346 INFO L226 Difference]: Without dead ends: 94 [2022-11-18 18:24:40,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:40,351 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 7 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:40,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 122 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:40,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-18 18:24:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2022-11-18 18:24:40,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 89 states have internal predecessors, (108), 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) [2022-11-18 18:24:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2022-11-18 18:24:40,364 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 17 [2022-11-18 18:24:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:40,365 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2022-11-18 18:24:40,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 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) [2022-11-18 18:24:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2022-11-18 18:24:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-18 18:24:40,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:40,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:40,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:24:40,366 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:40,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1766496546, now seen corresponding path program 1 times [2022-11-18 18:24:40,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:40,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459329966] [2022-11-18 18:24:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:40,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:40,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459329966] [2022-11-18 18:24:40,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459329966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:40,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400880456] [2022-11-18 18:24:40,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:40,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:40,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:40,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:40,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:24:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:40,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:24:40,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:40,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:40,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400880456] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:40,695 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:40,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-18 18:24:40,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553241794] [2022-11-18 18:24:40,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:40,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:24:40,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:40,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:24:40,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:24:40,699 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2022-11-18 18:24:40,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:40,853 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2022-11-18 18:24:40,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:24:40,854 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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 21 [2022-11-18 18:24:40,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:40,855 INFO L225 Difference]: With dead ends: 190 [2022-11-18 18:24:40,855 INFO L226 Difference]: Without dead ends: 131 [2022-11-18 18:24:40,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:24:40,856 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 61 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:40,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 182 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:40,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-11-18 18:24:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 118. [2022-11-18 18:24:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 117 states have internal predecessors, (152), 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) [2022-11-18 18:24:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 152 transitions. [2022-11-18 18:24:40,867 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 152 transitions. Word has length 21 [2022-11-18 18:24:40,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:40,867 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 152 transitions. [2022-11-18 18:24:40,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2022-11-18 18:24:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 152 transitions. [2022-11-18 18:24:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 18:24:40,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:40,869 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:40,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:41,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:41,075 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:41,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1089802590, now seen corresponding path program 1 times [2022-11-18 18:24:41,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:41,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121822252] [2022-11-18 18:24:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 18:24:41,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:41,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121822252] [2022-11-18 18:24:41,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121822252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:41,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:41,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:41,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375492669] [2022-11-18 18:24:41,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:41,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:41,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:41,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:41,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:41,134 INFO L87 Difference]: Start difference. First operand 118 states and 152 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-18 18:24:41,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:41,222 INFO L93 Difference]: Finished difference Result 130 states and 158 transitions. [2022-11-18 18:24:41,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:41,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-18 18:24:41,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:41,224 INFO L225 Difference]: With dead ends: 130 [2022-11-18 18:24:41,224 INFO L226 Difference]: Without dead ends: 128 [2022-11-18 18:24:41,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:41,225 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 28 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:41,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 64 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:41,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-18 18:24:41,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 118. [2022-11-18 18:24:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.4230769230769231) internal successors, (148), 117 states have internal predecessors, (148), 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) [2022-11-18 18:24:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 148 transitions. [2022-11-18 18:24:41,244 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 148 transitions. Word has length 23 [2022-11-18 18:24:41,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:41,247 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 148 transitions. [2022-11-18 18:24:41,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-18 18:24:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2022-11-18 18:24:41,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 18:24:41,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:41,253 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:41,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:24:41,253 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:41,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:41,254 INFO L85 PathProgramCache]: Analyzing trace with hash 575858166, now seen corresponding path program 1 times [2022-11-18 18:24:41,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:41,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987149198] [2022-11-18 18:24:41,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:41,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:41,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:41,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987149198] [2022-11-18 18:24:41,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987149198] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:41,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473824507] [2022-11-18 18:24:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:41,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:41,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:41,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:41,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:24:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:41,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:24:41,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:41,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:41,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473824507] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:41,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:41,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-11-18 18:24:41,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139461006] [2022-11-18 18:24:41,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:41,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:24:41,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:41,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:24:41,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:24:41,707 INFO L87 Difference]: Start difference. First operand 118 states and 148 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:41,847 INFO L93 Difference]: Finished difference Result 216 states and 266 transitions. [2022-11-18 18:24:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:24:41,848 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-18 18:24:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:41,850 INFO L225 Difference]: With dead ends: 216 [2022-11-18 18:24:41,850 INFO L226 Difference]: Without dead ends: 122 [2022-11-18 18:24:41,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:24:41,851 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 143 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:41,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 162 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-18 18:24:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 110. [2022-11-18 18:24:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 109 states have internal predecessors, (133), 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) [2022-11-18 18:24:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 133 transitions. [2022-11-18 18:24:41,859 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 133 transitions. Word has length 24 [2022-11-18 18:24:41,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:41,859 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 133 transitions. [2022-11-18 18:24:41,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2022-11-18 18:24:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 18:24:41,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:41,860 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:41,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:42,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 18:24:42,061 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:42,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:42,062 INFO L85 PathProgramCache]: Analyzing trace with hash 566315116, now seen corresponding path program 1 times [2022-11-18 18:24:42,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:42,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924654270] [2022-11-18 18:24:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:42,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:42,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:42,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924654270] [2022-11-18 18:24:42,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924654270] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:42,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674435263] [2022-11-18 18:24:42,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:42,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:42,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:42,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:24:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:42,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:24:42,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:42,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:24:42,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674435263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:42,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:24:42,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-11-18 18:24:42,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224554149] [2022-11-18 18:24:42,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:42,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:42,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:42,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:42,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:24:42,361 INFO L87 Difference]: Start difference. First operand 110 states and 133 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:42,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:42,534 INFO L93 Difference]: Finished difference Result 120 states and 139 transitions. [2022-11-18 18:24:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:24:42,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-18 18:24:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:42,535 INFO L225 Difference]: With dead ends: 120 [2022-11-18 18:24:42,535 INFO L226 Difference]: Without dead ends: 117 [2022-11-18 18:24:42,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:24:42,536 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:42,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 107 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-18 18:24:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 110. [2022-11-18 18:24:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 109 states have internal predecessors, (128), 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) [2022-11-18 18:24:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2022-11-18 18:24:42,544 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 24 [2022-11-18 18:24:42,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:42,545 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2022-11-18 18:24:42,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2022-11-18 18:24:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 18:24:42,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:42,548 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:42,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-18 18:24:42,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 18:24:42,754 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:42,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:42,754 INFO L85 PathProgramCache]: Analyzing trace with hash 202655696, now seen corresponding path program 1 times [2022-11-18 18:24:42,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:42,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566888380] [2022-11-18 18:24:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:42,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:42,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566888380] [2022-11-18 18:24:42,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566888380] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:42,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725305099] [2022-11-18 18:24:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:42,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:42,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:42,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:42,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 18:24:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:42,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:24:42,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:42,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:24:42,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725305099] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:42,998 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:42,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-18 18:24:42,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284185026] [2022-11-18 18:24:42,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:42,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 18:24:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:43,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 18:24:43,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:24:43,000 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-11-18 18:24:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:43,225 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2022-11-18 18:24:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 18:24:43,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 25 [2022-11-18 18:24:43,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:43,226 INFO L225 Difference]: With dead ends: 146 [2022-11-18 18:24:43,226 INFO L226 Difference]: Without dead ends: 145 [2022-11-18 18:24:43,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:24:43,227 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 69 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:43,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 194 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:43,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-18 18:24:43,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 133. [2022-11-18 18:24:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 132 states have internal predecessors, (156), 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) [2022-11-18 18:24:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2022-11-18 18:24:43,235 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 25 [2022-11-18 18:24:43,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:43,236 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2022-11-18 18:24:43,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-11-18 18:24:43,236 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2022-11-18 18:24:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 18:24:43,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:43,237 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:43,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:43,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:43,443 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1987359416, now seen corresponding path program 1 times [2022-11-18 18:24:43,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:43,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569824056] [2022-11-18 18:24:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 18:24:43,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:43,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569824056] [2022-11-18 18:24:43,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569824056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:43,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:43,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:24:43,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239296336] [2022-11-18 18:24:43,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:43,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:24:43,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:43,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:24:43,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:43,628 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-18 18:24:43,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:43,709 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2022-11-18 18:24:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:24:43,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 26 [2022-11-18 18:24:43,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:43,711 INFO L225 Difference]: With dead ends: 181 [2022-11-18 18:24:43,711 INFO L226 Difference]: Without dead ends: 139 [2022-11-18 18:24:43,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:43,713 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 94 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:43,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 57 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:43,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-18 18:24:43,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 133. [2022-11-18 18:24:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 132 states have internal predecessors, (155), 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) [2022-11-18 18:24:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2022-11-18 18:24:43,722 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 26 [2022-11-18 18:24:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:43,723 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2022-11-18 18:24:43,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-18 18:24:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2022-11-18 18:24:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-18 18:24:43,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:43,726 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:43,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:24:43,727 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1254468133, now seen corresponding path program 1 times [2022-11-18 18:24:43,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:43,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648921590] [2022-11-18 18:24:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-18 18:24:43,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:43,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648921590] [2022-11-18 18:24:43,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648921590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:43,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:43,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:43,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988695293] [2022-11-18 18:24:43,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:43,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:43,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:43,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:43,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:43,823 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:43,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:43,862 INFO L93 Difference]: Finished difference Result 133 states and 155 transitions. [2022-11-18 18:24:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:43,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-18 18:24:43,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:43,864 INFO L225 Difference]: With dead ends: 133 [2022-11-18 18:24:43,865 INFO L226 Difference]: Without dead ends: 132 [2022-11-18 18:24:43,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:43,868 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:43,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 95 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:43,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-18 18:24:43,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-18 18:24:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 119 states have (on average 1.2857142857142858) internal successors, (153), 131 states have internal predecessors, (153), 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) [2022-11-18 18:24:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2022-11-18 18:24:43,875 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 36 [2022-11-18 18:24:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:43,876 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2022-11-18 18:24:43,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2022-11-18 18:24:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 18:24:43,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:43,877 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:43,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:24:43,877 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:43,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:43,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1349642104, now seen corresponding path program 1 times [2022-11-18 18:24:43,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:43,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465907353] [2022-11-18 18:24:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:43,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:44,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:44,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465907353] [2022-11-18 18:24:44,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465907353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:44,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:44,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:44,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748850980] [2022-11-18 18:24:44,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:44,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:44,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:44,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:44,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:44,004 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-18 18:24:44,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:44,069 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2022-11-18 18:24:44,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:44,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-18 18:24:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:44,071 INFO L225 Difference]: With dead ends: 137 [2022-11-18 18:24:44,071 INFO L226 Difference]: Without dead ends: 135 [2022-11-18 18:24:44,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:44,072 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:44,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:44,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-18 18:24:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-18 18:24:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 122 states have (on average 1.278688524590164) internal successors, (156), 134 states have internal predecessors, (156), 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) [2022-11-18 18:24:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2022-11-18 18:24:44,079 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 39 [2022-11-18 18:24:44,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:44,080 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2022-11-18 18:24:44,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-18 18:24:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2022-11-18 18:24:44,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-18 18:24:44,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:44,081 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:44,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:24:44,081 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:44,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:44,082 INFO L85 PathProgramCache]: Analyzing trace with hash 269690378, now seen corresponding path program 1 times [2022-11-18 18:24:44,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:44,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182449055] [2022-11-18 18:24:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:44,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:44,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:44,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182449055] [2022-11-18 18:24:44,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182449055] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:44,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963424925] [2022-11-18 18:24:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:44,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:44,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:44,202 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:44,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 18:24:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:44,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:24:44,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:44,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:44,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963424925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:44,449 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:44,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-18 18:24:44,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929651328] [2022-11-18 18:24:44,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:44,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:24:44,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:44,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:24:44,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:24:44,451 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 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) [2022-11-18 18:24:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:44,611 INFO L93 Difference]: Finished difference Result 189 states and 227 transitions. [2022-11-18 18:24:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:24:44,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 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 46 [2022-11-18 18:24:44,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:44,613 INFO L225 Difference]: With dead ends: 189 [2022-11-18 18:24:44,613 INFO L226 Difference]: Without dead ends: 186 [2022-11-18 18:24:44,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:24:44,615 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 102 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:44,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 114 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:44,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-11-18 18:24:44,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2022-11-18 18:24:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 166 states have (on average 1.3012048192771084) internal successors, (216), 177 states have internal predecessors, (216), 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) [2022-11-18 18:24:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 216 transitions. [2022-11-18 18:24:44,624 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 216 transitions. Word has length 46 [2022-11-18 18:24:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:44,625 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 216 transitions. [2022-11-18 18:24:44,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 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) [2022-11-18 18:24:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 216 transitions. [2022-11-18 18:24:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-18 18:24:44,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:44,626 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:44,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:44,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 18:24:44,833 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:44,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -229532800, now seen corresponding path program 1 times [2022-11-18 18:24:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:44,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991120509] [2022-11-18 18:24:44,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:44,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:44,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991120509] [2022-11-18 18:24:44,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991120509] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:44,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139844829] [2022-11-18 18:24:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:44,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:44,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:44,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:44,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 18:24:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:45,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:24:45,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:45,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:24:45,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139844829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:45,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:24:45,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-18 18:24:45,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540934259] [2022-11-18 18:24:45,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:45,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:24:45,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:45,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:24:45,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:24:45,116 INFO L87 Difference]: Start difference. First operand 178 states and 216 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-11-18 18:24:45,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:45,200 INFO L93 Difference]: Finished difference Result 178 states and 216 transitions. [2022-11-18 18:24:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 47 [2022-11-18 18:24:45,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:45,202 INFO L225 Difference]: With dead ends: 178 [2022-11-18 18:24:45,202 INFO L226 Difference]: Without dead ends: 175 [2022-11-18 18:24:45,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:24:45,203 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:45,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 92 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-11-18 18:24:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2022-11-18 18:24:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 166 states have (on average 1.2409638554216869) internal successors, (206), 174 states have internal predecessors, (206), 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) [2022-11-18 18:24:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 206 transitions. [2022-11-18 18:24:45,213 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 206 transitions. Word has length 47 [2022-11-18 18:24:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:45,213 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 206 transitions. [2022-11-18 18:24:45,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-11-18 18:24:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 206 transitions. [2022-11-18 18:24:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-18 18:24:45,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:45,214 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:45,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 18:24:45,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 18:24:45,421 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:45,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1474417868, now seen corresponding path program 1 times [2022-11-18 18:24:45,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:45,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630100656] [2022-11-18 18:24:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:45,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 18:24:45,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:45,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630100656] [2022-11-18 18:24:45,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630100656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:45,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:45,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:45,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836990450] [2022-11-18 18:24:45,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:45,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:45,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:45,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:45,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:45,484 INFO L87 Difference]: Start difference. First operand 175 states and 206 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:45,520 INFO L93 Difference]: Finished difference Result 177 states and 206 transitions. [2022-11-18 18:24:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:45,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-11-18 18:24:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:45,522 INFO L225 Difference]: With dead ends: 177 [2022-11-18 18:24:45,522 INFO L226 Difference]: Without dead ends: 176 [2022-11-18 18:24:45,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:45,523 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:45,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 69 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:45,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-18 18:24:45,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2022-11-18 18:24:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 166 states have (on average 1.2289156626506024) internal successors, (204), 174 states have internal predecessors, (204), 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) [2022-11-18 18:24:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 204 transitions. [2022-11-18 18:24:45,532 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 204 transitions. Word has length 48 [2022-11-18 18:24:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:45,533 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 204 transitions. [2022-11-18 18:24:45,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 204 transitions. [2022-11-18 18:24:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-18 18:24:45,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:45,534 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:45,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 18:24:45,534 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1537686270, now seen corresponding path program 1 times [2022-11-18 18:24:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:45,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55161770] [2022-11-18 18:24:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:45,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55161770] [2022-11-18 18:24:45,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55161770] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:45,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821108460] [2022-11-18 18:24:45,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:45,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:45,637 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:45,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 18:24:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:45,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:24:45,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:45,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:24:45,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821108460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:45,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:24:45,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-18 18:24:45,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75946866] [2022-11-18 18:24:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:45,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:45,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:45,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:45,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:24:45,845 INFO L87 Difference]: Start difference. First operand 175 states and 204 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2022-11-18 18:24:45,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:45,993 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2022-11-18 18:24:45,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:24:45,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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 49 [2022-11-18 18:24:45,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:45,996 INFO L225 Difference]: With dead ends: 177 [2022-11-18 18:24:45,996 INFO L226 Difference]: Without dead ends: 176 [2022-11-18 18:24:45,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:24:45,997 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 48 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:45,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 99 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:46,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-18 18:24:46,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2022-11-18 18:24:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 166 states have (on average 1.216867469879518) internal successors, (202), 174 states have internal predecessors, (202), 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) [2022-11-18 18:24:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 202 transitions. [2022-11-18 18:24:46,013 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 202 transitions. Word has length 49 [2022-11-18 18:24:46,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:46,013 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 202 transitions. [2022-11-18 18:24:46,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2022-11-18 18:24:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 202 transitions. [2022-11-18 18:24:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-18 18:24:46,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:46,015 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:46,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:46,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:46,221 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:46,221 INFO L85 PathProgramCache]: Analyzing trace with hash -898871443, now seen corresponding path program 2 times [2022-11-18 18:24:46,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:46,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784594575] [2022-11-18 18:24:46,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:46,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 18:24:46,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:46,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784594575] [2022-11-18 18:24:46,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784594575] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:46,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971418755] [2022-11-18 18:24:46,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:24:46,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:46,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:46,316 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:46,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 18:24:46,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:24:46,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:24:46,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:24:46,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 18:24:46,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-18 18:24:46,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971418755] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:46,635 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:46,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-11-18 18:24:46,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614549875] [2022-11-18 18:24:46,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:46,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:24:46,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:46,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:24:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:24:46,637 INFO L87 Difference]: Start difference. First operand 175 states and 202 transitions. Second operand has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 10 states have internal predecessors, (97), 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) [2022-11-18 18:24:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:46,757 INFO L93 Difference]: Finished difference Result 185 states and 213 transitions. [2022-11-18 18:24:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:24:46,757 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 10 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-11-18 18:24:46,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:46,759 INFO L225 Difference]: With dead ends: 185 [2022-11-18 18:24:46,759 INFO L226 Difference]: Without dead ends: 183 [2022-11-18 18:24:46,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:24:46,760 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 118 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:46,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 94 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-18 18:24:46,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2022-11-18 18:24:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 166 states have (on average 1.180722891566265) internal successors, (196), 172 states have internal predecessors, (196), 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) [2022-11-18 18:24:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 196 transitions. [2022-11-18 18:24:46,770 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 196 transitions. Word has length 57 [2022-11-18 18:24:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:46,770 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 196 transitions. [2022-11-18 18:24:46,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.777777777777779) internal successors, (97), 10 states have internal predecessors, (97), 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) [2022-11-18 18:24:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 196 transitions. [2022-11-18 18:24:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-18 18:24:46,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:46,772 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:46,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:46,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:46,978 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:46,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:46,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2095210879, now seen corresponding path program 2 times [2022-11-18 18:24:46,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:46,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292312889] [2022-11-18 18:24:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 18:24:47,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:47,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292312889] [2022-11-18 18:24:47,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292312889] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:47,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915744806] [2022-11-18 18:24:47,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:24:47,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:47,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:47,108 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:47,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 18:24:47,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 18:24:47,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:24:47,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 18:24:47,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:47,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:24:47,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915744806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:47,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:24:47,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2022-11-18 18:24:47,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234400261] [2022-11-18 18:24:47,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:47,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:24:47,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:47,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:24:47,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:24:47,392 INFO L87 Difference]: Start difference. First operand 173 states and 196 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:47,587 INFO L93 Difference]: Finished difference Result 174 states and 197 transitions. [2022-11-18 18:24:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 18:24:47,589 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-18 18:24:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:47,590 INFO L225 Difference]: With dead ends: 174 [2022-11-18 18:24:47,590 INFO L226 Difference]: Without dead ends: 171 [2022-11-18 18:24:47,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:24:47,591 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 41 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:47,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 127 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:47,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-18 18:24:47,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 170. [2022-11-18 18:24:47,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 166 states have (on average 1.1204819277108433) internal successors, (186), 169 states have internal predecessors, (186), 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) [2022-11-18 18:24:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2022-11-18 18:24:47,601 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 58 [2022-11-18 18:24:47,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:47,601 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2022-11-18 18:24:47,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2022-11-18 18:24:47,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-18 18:24:47,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:47,602 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:47,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:47,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-18 18:24:47,808 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:47,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:47,809 INFO L85 PathProgramCache]: Analyzing trace with hash -233580659, now seen corresponding path program 1 times [2022-11-18 18:24:47,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:47,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994178283] [2022-11-18 18:24:47,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 18:24:47,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:47,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994178283] [2022-11-18 18:24:47,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994178283] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:47,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861372366] [2022-11-18 18:24:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:47,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:47,933 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:47,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 18:24:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:48,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:24:48,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 18:24:48,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:24:48,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861372366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:48,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:24:48,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-18 18:24:48,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218907524] [2022-11-18 18:24:48,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:48,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:24:48,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:48,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:24:48,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:24:48,058 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:48,136 INFO L93 Difference]: Finished difference Result 170 states and 186 transitions. [2022-11-18 18:24:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:24:48,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-11-18 18:24:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:48,138 INFO L225 Difference]: With dead ends: 170 [2022-11-18 18:24:48,138 INFO L226 Difference]: Without dead ends: 169 [2022-11-18 18:24:48,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:24:48,139 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 29 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:48,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 89 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:24:48,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-18 18:24:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-11-18 18:24:48,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 166 states have (on average 1.1024096385542168) internal successors, (183), 168 states have internal predecessors, (183), 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) [2022-11-18 18:24:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 183 transitions. [2022-11-18 18:24:48,147 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 183 transitions. Word has length 60 [2022-11-18 18:24:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:48,148 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 183 transitions. [2022-11-18 18:24:48,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 183 transitions. [2022-11-18 18:24:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 18:24:48,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:48,152 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:48,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:48,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:48,359 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:48,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash 911275921, now seen corresponding path program 1 times [2022-11-18 18:24:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:48,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122232927] [2022-11-18 18:24:48,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:48,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 51 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:24:49,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:49,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122232927] [2022-11-18 18:24:49,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122232927] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:49,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771626524] [2022-11-18 18:24:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:49,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:49,203 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:49,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 18:24:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:49,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:24:49,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 18:24:49,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 18:24:49,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771626524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:49,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:49,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 37 [2022-11-18 18:24:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589877983] [2022-11-18 18:24:49,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:49,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-18 18:24:49,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:49,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-18 18:24:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1108, Unknown=0, NotChecked=0, Total=1332 [2022-11-18 18:24:49,817 INFO L87 Difference]: Start difference. First operand 169 states and 183 transitions. Second operand has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 states have internal predecessors, (176), 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) [2022-11-18 18:24:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:51,059 INFO L93 Difference]: Finished difference Result 259 states and 290 transitions. [2022-11-18 18:24:51,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 18:24:51,060 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 states have internal predecessors, (176), 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 83 [2022-11-18 18:24:51,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:51,061 INFO L225 Difference]: With dead ends: 259 [2022-11-18 18:24:51,061 INFO L226 Difference]: Without dead ends: 218 [2022-11-18 18:24:51,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=961, Invalid=3595, Unknown=0, NotChecked=0, Total=4556 [2022-11-18 18:24:51,064 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 774 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:51,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 341 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 18:24:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-18 18:24:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 217. [2022-11-18 18:24:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 214 states have (on average 1.102803738317757) internal successors, (236), 216 states have internal predecessors, (236), 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) [2022-11-18 18:24:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 236 transitions. [2022-11-18 18:24:51,079 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 236 transitions. Word has length 83 [2022-11-18 18:24:51,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:51,079 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 236 transitions. [2022-11-18 18:24:51,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 states have internal predecessors, (176), 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) [2022-11-18 18:24:51,079 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2022-11-18 18:24:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 18:24:51,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:51,081 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:51,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:51,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:51,287 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:51,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1357954978, now seen corresponding path program 1 times [2022-11-18 18:24:51,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:51,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612974292] [2022-11-18 18:24:51,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:51,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-18 18:24:51,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:51,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612974292] [2022-11-18 18:24:51,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612974292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:24:51,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:24:51,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:24:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604987644] [2022-11-18 18:24:51,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:24:51,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:24:51,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:51,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:24:51,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:24:51,399 INFO L87 Difference]: Start difference. First operand 217 states and 236 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:51,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:51,444 INFO L93 Difference]: Finished difference Result 217 states and 236 transitions. [2022-11-18 18:24:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:24:51,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-11-18 18:24:51,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:51,446 INFO L225 Difference]: With dead ends: 217 [2022-11-18 18:24:51,446 INFO L226 Difference]: Without dead ends: 216 [2022-11-18 18:24:51,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:24:51,447 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 14 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:51,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 62 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:51,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-18 18:24:51,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-11-18 18:24:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 214 states have (on average 1.0981308411214954) internal successors, (235), 215 states have internal predecessors, (235), 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) [2022-11-18 18:24:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 235 transitions. [2022-11-18 18:24:51,458 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 235 transitions. Word has length 107 [2022-11-18 18:24:51,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:51,458 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 235 transitions. [2022-11-18 18:24:51,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 235 transitions. [2022-11-18 18:24:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 18:24:51,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:51,461 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:51,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-18 18:24:51,462 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:51,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:51,462 INFO L85 PathProgramCache]: Analyzing trace with hash -243031692, now seen corresponding path program 2 times [2022-11-18 18:24:51,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:51,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697776146] [2022-11-18 18:24:51,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:51,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-18 18:24:51,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:51,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697776146] [2022-11-18 18:24:51,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697776146] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:51,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624892062] [2022-11-18 18:24:51,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:24:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:51,845 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 18:24:51,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:24:51,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:24:51,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:24:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-18 18:24:52,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-18 18:24:52,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624892062] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:52,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:52,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 8 [2022-11-18 18:24:52,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843246092] [2022-11-18 18:24:52,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:52,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:24:52,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:52,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:24:52,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:24:52,653 INFO L87 Difference]: Start difference. First operand 216 states and 235 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:52,728 INFO L93 Difference]: Finished difference Result 216 states and 235 transitions. [2022-11-18 18:24:52,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:24:52,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-11-18 18:24:52,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:52,730 INFO L225 Difference]: With dead ends: 216 [2022-11-18 18:24:52,730 INFO L226 Difference]: Without dead ends: 215 [2022-11-18 18:24:52,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:24:52,731 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 122 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:52,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 29 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:24:52,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-18 18:24:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 174. [2022-11-18 18:24:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.0982658959537572) internal successors, (190), 173 states have internal predecessors, (190), 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) [2022-11-18 18:24:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 190 transitions. [2022-11-18 18:24:52,748 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 190 transitions. Word has length 114 [2022-11-18 18:24:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:52,749 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 190 transitions. [2022-11-18 18:24:52,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 190 transitions. [2022-11-18 18:24:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-18 18:24:52,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:24:52,752 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:52,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:52,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-18 18:24:52,957 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-18 18:24:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:24:52,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1167331640, now seen corresponding path program 2 times [2022-11-18 18:24:52,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:24:52,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860569997] [2022-11-18 18:24:52,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:24:52,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:24:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:24:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-11-18 18:24:53,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:24:53,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860569997] [2022-11-18 18:24:53,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860569997] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:24:53,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473217593] [2022-11-18 18:24:53,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:24:53,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:24:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:24:53,830 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:24:53,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 18:24:53,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:24:53,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:24:53,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:24:53,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:24:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-18 18:24:54,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:24:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-18 18:24:54,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473217593] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:24:54,505 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:24:54,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2022-11-18 18:24:54,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568262649] [2022-11-18 18:24:54,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:24:54,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 18:24:54,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:24:54,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 18:24:54,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:24:54,507 INFO L87 Difference]: Start difference. First operand 174 states and 190 transitions. Second operand has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 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) [2022-11-18 18:24:55,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:24:55,142 INFO L93 Difference]: Finished difference Result 335 states and 368 transitions. [2022-11-18 18:24:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 18:24:55,143 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 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 165 [2022-11-18 18:24:55,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:24:55,143 INFO L225 Difference]: With dead ends: 335 [2022-11-18 18:24:55,144 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:24:55,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 325 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=911, Unknown=0, NotChecked=0, Total=1260 [2022-11-18 18:24:55,146 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 484 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:24:55,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 135 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:24:55,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:24:55,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:24:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:24:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:24:55,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2022-11-18 18:24:55,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:24:55,148 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:24:55,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 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) [2022-11-18 18:24:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:24:55,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:24:55,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-18 18:24:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-18 18:24:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-18 18:24:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-18 18:24:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-18 18:24:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-18 18:24:55,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-18 18:24:55,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-18 18:24:55,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-18 18:24:55,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-18 18:24:55,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-18 18:24:55,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-18 18:24:55,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-18 18:24:55,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-18 18:24:55,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-18 18:24:55,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-18 18:24:55,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 18:24:55,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-18 18:24:55,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:24:55,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,971 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,971 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 40) no Hoare annotation was computed. [2022-11-18 18:24:55,971 INFO L899 garLoopResultBuilder]: For program point L27-4(lines 27 40) no Hoare annotation was computed. [2022-11-18 18:24:55,971 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,971 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 40) the Hoare annotation is: (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~j~0#1| 2)) (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 6) .cse4))) [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 40) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:24:55,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:24:55,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,973 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,975 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,975 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,976 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,976 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,976 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 39) no Hoare annotation was computed. [2022-11-18 18:24:55,977 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed. [2022-11-18 18:24:55,977 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed. [2022-11-18 18:24:55,977 INFO L895 garLoopResultBuilder]: At program point L29-5(lines 29 39) the Hoare annotation is: (let ((.cse5 (= 3 |ULTIMATE.start_main_~j~0#1|)) (.cse6 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse7 (<= |ULTIMATE.start_main_~i~0#1| 715827882)) (.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse3 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse4 (<= ~CELLCOUNT~0 2147483647)) (.cse8 (<= |ULTIMATE.start_main_~j~0#1| 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse8 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8))) [2022-11-18 18:24:55,977 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,977 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2022-11-18 18:24:55,978 INFO L902 garLoopResultBuilder]: At program point L47(lines 13 48) the Hoare annotation is: true [2022-11-18 18:24:55,978 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-18 18:24:55,978 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-18 18:24:55,978 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2022-11-18 18:24:55,978 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-18 18:24:55,979 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-18 18:24:55,979 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:24:55,979 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,979 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 46) no Hoare annotation was computed. [2022-11-18 18:24:55,979 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,979 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 46) no Hoare annotation was computed. [2022-11-18 18:24:55,980 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-11-18 18:24:55,980 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-11-18 18:24:55,980 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-18 18:24:55,981 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,981 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:24:55,981 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,981 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,981 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,981 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,982 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-18 18:24:55,982 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 45) no Hoare annotation was computed. [2022-11-18 18:24:55,982 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-11-18 18:24:55,982 INFO L899 garLoopResultBuilder]: For program point L42-4(line 42) no Hoare annotation was computed. [2022-11-18 18:24:55,982 INFO L895 garLoopResultBuilder]: At program point L42-5(lines 42 45) the Hoare annotation is: (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3))) [2022-11-18 18:24:55,982 INFO L899 garLoopResultBuilder]: For program point L42-6(lines 42 45) no Hoare annotation was computed. [2022-11-18 18:24:55,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-18 18:24:55,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-18 18:24:55,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-18 18:24:55,986 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:24:55,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:24:56,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:24:56 BoogieIcfgContainer [2022-11-18 18:24:56,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:24:56,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:24:56,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:24:56,009 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:24:56,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:24:38" (3/4) ... [2022-11-18 18:24:56,013 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:24:56,025 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-18 18:24:56,025 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 18:24:56,026 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 18:24:56,026 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:24:56,026 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:24:56,063 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:24:56,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:24:56,064 INFO L158 Benchmark]: Toolchain (without parser) took 18750.93ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 99.2MB in the beginning and 156.3MB in the end (delta: -57.1MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2022-11-18 18:24:56,064 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:24:56,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.50ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 110.0MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:24:56,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.77ms. Allocated memory is still 134.2MB. Free memory was 110.0MB in the beginning and 108.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:24:56,065 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 134.2MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:24:56,065 INFO L158 Benchmark]: RCFGBuilder took 449.24ms. Allocated memory is still 134.2MB. Free memory was 107.3MB in the beginning and 93.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:24:56,066 INFO L158 Benchmark]: TraceAbstraction took 17779.98ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 92.7MB in the beginning and 159.5MB in the end (delta: -66.8MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2022-11-18 18:24:56,066 INFO L158 Benchmark]: Witness Printer took 54.66ms. Allocated memory is still 283.1MB. Free memory was 159.5MB in the beginning and 156.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:24:56,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.50ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 110.0MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.77ms. Allocated memory is still 134.2MB. Free memory was 110.0MB in the beginning and 108.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 134.2MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.24ms. Allocated memory is still 134.2MB. Free memory was 107.3MB in the beginning and 93.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17779.98ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 92.7MB in the beginning and 159.5MB in the end (delta: -66.8MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * Witness Printer took 54.66ms. Allocated memory is still 283.1MB. Free memory was 159.5MB in the beginning and 156.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 27, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2524 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2524 mSDsluCounter, 2834 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1876 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2451 IncrementalHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 958 mSDtfsCounter, 2451 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1519 GetRequests, 1259 SyntacticMatches, 5 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=24, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 191 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 51 NumberOfFragments, 210 HoareAnnotationTreeSize, 4 FomulaSimplifications, 681 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2007 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 1923 NumberOfCodeBlocks, 1630 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 2410 ConstructedInterpolants, 0 QuantifiedInterpolants, 10605 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1536 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 48 InterpolantComputations, 19 PerfectInterpolantSequences, 3339/4075 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((((CELLCOUNT == CELLCOUNT / 3 * 3 && 1 <= i) && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) || ((((CELLCOUNT == CELLCOUNT / 3 * 3 && i == 0) && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && 2 <= i) && j <= 2) || ((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && i == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647)) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && 3 * i <= 6) && 2 <= i) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && i == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && 3 == j) || ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && 3 == j) && 2 <= i) && i <= 715827882)) || ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && 2 <= i) && j <= 2) && i <= 715827882)) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && i == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && j <= 2) RESULT: Ultimate proved your program to be correct! [2022-11-18 18:24:56,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6419cd-e5c9-44c1-8b01-44ef5db28540/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE