./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/min-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/min-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8 --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 9bd7b1a8bed68c803bda82a4dd989302b30da7d6d96131ca67565e0ea166dbcb --- 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-2329fc7 [2022-12-13 12:42:45,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:42:45,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:42:45,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:42:45,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:42:45,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:42:45,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:42:45,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:42:45,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:42:45,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:42:45,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:42:45,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:42:45,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:42:45,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:42:45,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:42:45,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:42:45,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:42:45,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:42:45,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:42:45,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:42:45,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:42:45,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:42:45,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:42:45,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:42:45,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:42:45,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:42:45,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:42:45,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:42:45,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:42:45,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:42:45,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:42:45,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:42:45,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:42:45,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:42:45,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:42:45,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:42:45,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:42:45,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:42:45,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:42:45,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:42:45,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:42:45,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 12:42:45,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:42:45,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:42:45,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:42:45,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:42:45,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:42:45,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:42:45,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:42:45,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:42:45,650 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:42:45,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:42:45,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:42:45,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:42:45,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:42:45,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:42:45,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:42:45,654 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:42:45,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:42:45,654 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:42:45,654 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd7b1a8bed68c803bda82a4dd989302b30da7d6d96131ca67565e0ea166dbcb [2022-12-13 12:42:45,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:42:45,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:42:45,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:42:45,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:42:45,850 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:42:45,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-multidimensional/min-3-n-u.c [2022-12-13 12:42:48,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:42:48,489 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:42:48,490 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/sv-benchmarks/c/array-multidimensional/min-3-n-u.c [2022-12-13 12:42:48,494 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/data/2d74ab360/0bd5ec60195b4611938663dd7a4ec9d1/FLAG426e19044 [2022-12-13 12:42:48,915 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/data/2d74ab360/0bd5ec60195b4611938663dd7a4ec9d1 [2022-12-13 12:42:48,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:42:48,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:42:48,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:42:48,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:42:48,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:42:48,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:42:48" (1/1) ... [2022-12-13 12:42:48,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba81cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:48, skipping insertion in model container [2022-12-13 12:42:48,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:42:48" (1/1) ... [2022-12-13 12:42:48,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:42:48,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:42:49,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/sv-benchmarks/c/array-multidimensional/min-3-n-u.c[321,334] [2022-12-13 12:42:49,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:42:49,054 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:42:49,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/sv-benchmarks/c/array-multidimensional/min-3-n-u.c[321,334] [2022-12-13 12:42:49,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:42:49,079 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:42:49,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49 WrapperNode [2022-12-13 12:42:49,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:42:49,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:42:49,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:42:49,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:42:49,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,104 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 127 [2022-12-13 12:42:49,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:42:49,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:42:49,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:42:49,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:42:49,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,121 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:42:49,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:42:49,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:42:49,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:42:49,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (1/1) ... [2022-12-13 12:42:49,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:42:49,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:49,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:42:49,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:42:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:42:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:42:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:42:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:42:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:42:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:42:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:42:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:42:49,238 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:42:49,240 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:42:49,398 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:42:49,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:42:49,403 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-12-13 12:42:49,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:42:49 BoogieIcfgContainer [2022-12-13 12:42:49,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:42:49,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:42:49,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:42:49,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:42:49,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:42:48" (1/3) ... [2022-12-13 12:42:49,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41985db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:42:49, skipping insertion in model container [2022-12-13 12:42:49,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:42:49" (2/3) ... [2022-12-13 12:42:49,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41985db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:42:49, skipping insertion in model container [2022-12-13 12:42:49,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:42:49" (3/3) ... [2022-12-13 12:42:49,411 INFO L112 eAbstractionObserver]: Analyzing ICFG min-3-n-u.c [2022-12-13 12:42:49,425 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:42:49,425 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-13 12:42:49,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:42:49,472 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;@79b9952e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:42:49,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-12-13 12:42:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 2.0) internal successors, (76), 56 states have internal predecessors, (76), 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) [2022-12-13 12:42:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 12:42:49,481 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:49,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 12:42:49,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:49,486 INFO L85 PathProgramCache]: Analyzing trace with hash 28699906, now seen corresponding path program 1 times [2022-12-13 12:42:49,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:49,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834015136] [2022-12-13 12:42:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:49,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:49,559 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:49,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141874367] [2022-12-13 12:42:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:49,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:49,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:42:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:49,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:42:49,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:49,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:49,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:49,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834015136] [2022-12-13 12:42:49,638 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:49,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141874367] [2022-12-13 12:42:49,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141874367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:49,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:49,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:42:49,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85698753] [2022-12-13 12:42:49,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:49,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:42:49,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:49,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:42:49,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:49,668 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 2.0) internal successors, (76), 56 states have internal predecessors, (76), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 12:42:49,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:49,720 INFO L93 Difference]: Finished difference Result 109 states and 150 transitions. [2022-12-13 12:42:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:42:49,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-12-13 12:42:49,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:49,727 INFO L225 Difference]: With dead ends: 109 [2022-12-13 12:42:49,727 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 12:42:49,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:49,732 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 54 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:49,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 45 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 12:42:49,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 12:42:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 48 states have internal predecessors, (58), 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) [2022-12-13 12:42:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2022-12-13 12:42:49,758 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 5 [2022-12-13 12:42:49,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:49,758 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2022-12-13 12:42:49,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-12-13 12:42:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-12-13 12:42:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 12:42:49,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:49,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:42:49,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:42:49,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 12:42:49,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:49,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash 889697163, now seen corresponding path program 1 times [2022-12-13 12:42:49,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:49,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576715540] [2022-12-13 12:42:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:49,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:49,995 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:49,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191596817] [2022-12-13 12:42:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:49,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:49,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:50,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:50,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:42:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:50,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:42:50,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:50,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:50,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:50,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576715540] [2022-12-13 12:42:50,083 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:50,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191596817] [2022-12-13 12:42:50,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191596817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:50,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:50,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:42:50,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833738882] [2022-12-13 12:42:50,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:50,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:42:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:50,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:42:50,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:50,086 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:50,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:50,137 INFO L93 Difference]: Finished difference Result 96 states and 114 transitions. [2022-12-13 12:42:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:42:50,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 12:42:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:50,138 INFO L225 Difference]: With dead ends: 96 [2022-12-13 12:42:50,138 INFO L226 Difference]: Without dead ends: 93 [2022-12-13 12:42:50,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:50,139 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 45 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:50,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 80 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-13 12:42:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79. [2022-12-13 12:42:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 64 states have (on average 1.703125) internal successors, (109), 78 states have internal predecessors, (109), 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) [2022-12-13 12:42:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2022-12-13 12:42:50,149 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 6 [2022-12-13 12:42:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:50,149 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2022-12-13 12:42:50,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2022-12-13 12:42:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 12:42:50,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:50,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:42:50,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:42:50,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-13 12:42:50,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:50,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash 889698518, now seen corresponding path program 1 times [2022-12-13 12:42:50,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:50,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762102197] [2022-12-13 12:42:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:50,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:50,398 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:50,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119664105] [2022-12-13 12:42:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:50,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:50,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:50,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 12:42:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:50,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:42:50,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:50,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:50,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:50,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762102197] [2022-12-13 12:42:50,494 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:50,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119664105] [2022-12-13 12:42:50,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119664105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:50,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:50,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:42:50,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791010289] [2022-12-13 12:42:50,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:50,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:42:50,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:50,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:42:50,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:50,496 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:50,531 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions. [2022-12-13 12:42:50,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:42:50,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 12:42:50,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:50,532 INFO L225 Difference]: With dead ends: 79 [2022-12-13 12:42:50,532 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 12:42:50,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:50,533 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 43 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:50,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 12:42:50,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 12:42:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.609375) internal successors, (103), 75 states have internal predecessors, (103), 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) [2022-12-13 12:42:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2022-12-13 12:42:50,541 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 6 [2022-12-13 12:42:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:50,541 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2022-12-13 12:42:50,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2022-12-13 12:42:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 12:42:50,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:50,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:42:50,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 12:42:50,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:50,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:50,745 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2022-12-13 12:42:50,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:50,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581739173] [2022-12-13 12:42:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:50,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:50,757 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:50,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213079494] [2022-12-13 12:42:50,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:50,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:50,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:50,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 12:42:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:50,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:42:50,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:50,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:50,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:50,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581739173] [2022-12-13 12:42:50,813 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:50,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213079494] [2022-12-13 12:42:50,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213079494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:50,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:50,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:42:50,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259144316] [2022-12-13 12:42:50,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:50,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:42:50,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:50,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:42:50,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:50,816 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:50,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:50,848 INFO L93 Difference]: Finished difference Result 76 states and 103 transitions. [2022-12-13 12:42:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:42:50,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 12:42:50,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:50,849 INFO L225 Difference]: With dead ends: 76 [2022-12-13 12:42:50,850 INFO L226 Difference]: Without dead ends: 73 [2022-12-13 12:42:50,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:50,851 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 38 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:50,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:50,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-13 12:42:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-13 12:42:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 64 states have (on average 1.515625) internal successors, (97), 72 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) [2022-12-13 12:42:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2022-12-13 12:42:50,861 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 6 [2022-12-13 12:42:50,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:50,861 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2022-12-13 12:42:50,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2022-12-13 12:42:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 12:42:50,862 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:50,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:42:50,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 12:42:51,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:51,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:51,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1810850352, now seen corresponding path program 1 times [2022-12-13 12:42:51,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:51,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950200259] [2022-12-13 12:42:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:51,090 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:51,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895861157] [2022-12-13 12:42:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:51,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:51,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 12:42:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:51,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:42:51,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:51,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:51,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:51,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950200259] [2022-12-13 12:42:51,142 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:51,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895861157] [2022-12-13 12:42:51,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895861157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:51,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:51,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:42:51,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93450927] [2022-12-13 12:42:51,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:51,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:42:51,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:51,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:42:51,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:51,144 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-13 12:42:51,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:51,197 INFO L93 Difference]: Finished difference Result 141 states and 187 transitions. [2022-12-13 12:42:51,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:42:51,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2022-12-13 12:42:51,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:51,198 INFO L225 Difference]: With dead ends: 141 [2022-12-13 12:42:51,199 INFO L226 Difference]: Without dead ends: 138 [2022-12-13 12:42:51,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:51,200 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 36 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:51,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 63 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-12-13 12:42:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 115. [2022-12-13 12:42:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 106 states have (on average 1.5) internal successors, (159), 114 states have internal predecessors, (159), 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) [2022-12-13 12:42:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 159 transitions. [2022-12-13 12:42:51,209 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 159 transitions. Word has length 7 [2022-12-13 12:42:51,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:51,209 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 159 transitions. [2022-12-13 12:42:51,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-13 12:42:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2022-12-13 12:42:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 12:42:51,210 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:51,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:42:51,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 12:42:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:51,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:51,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:51,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852050, now seen corresponding path program 1 times [2022-12-13 12:42:51,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:51,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570786613] [2022-12-13 12:42:51,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:51,446 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:51,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658982345] [2022-12-13 12:42:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:51,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:51,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:51,449 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:51,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 12:42:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:51,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:42:51,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:51,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:51,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:51,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570786613] [2022-12-13 12:42:51,502 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:51,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658982345] [2022-12-13 12:42:51,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658982345] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:51,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:51,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:42:51,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336337914] [2022-12-13 12:42:51,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:51,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:42:51,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:51,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:42:51,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:51,504 INFO L87 Difference]: Start difference. First operand 115 states and 159 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-13 12:42:51,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:51,545 INFO L93 Difference]: Finished difference Result 219 states and 299 transitions. [2022-12-13 12:42:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:42:51,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2022-12-13 12:42:51,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:51,546 INFO L225 Difference]: With dead ends: 219 [2022-12-13 12:42:51,547 INFO L226 Difference]: Without dead ends: 216 [2022-12-13 12:42:51,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:42:51,547 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 34 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:51,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 66 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:51,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-13 12:42:51,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 163. [2022-12-13 12:42:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 154 states have (on average 1.448051948051948) internal successors, (223), 162 states have internal predecessors, (223), 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) [2022-12-13 12:42:51,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2022-12-13 12:42:51,560 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 223 transitions. Word has length 7 [2022-12-13 12:42:51,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:51,561 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 223 transitions. [2022-12-13 12:42:51,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-13 12:42:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 223 transitions. [2022-12-13 12:42:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 12:42:51,561 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:51,561 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-12-13 12:42:51,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 12:42:51,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 12:42:51,763 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:51,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:51,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1001412308, now seen corresponding path program 1 times [2022-12-13 12:42:51,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:51,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970918946] [2022-12-13 12:42:51,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:51,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:51,784 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:51,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637567497] [2022-12-13 12:42:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:51,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:51,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:51,789 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:51,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 12:42:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:51,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:42:51,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:42:51,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:51,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:51,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970918946] [2022-12-13 12:42:51,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:51,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637567497] [2022-12-13 12:42:51,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637567497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:51,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:51,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:42:51,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969628238] [2022-12-13 12:42:51,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:51,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:42:51,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:51,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:42:51,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:42:51,951 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-12-13 12:42:52,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:52,008 INFO L93 Difference]: Finished difference Result 310 states and 417 transitions. [2022-12-13 12:42:52,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:42:52,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2022-12-13 12:42:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:52,009 INFO L225 Difference]: With dead ends: 310 [2022-12-13 12:42:52,009 INFO L226 Difference]: Without dead ends: 168 [2022-12-13 12:42:52,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:42:52,011 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:52,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 64 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-12-13 12:42:52,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 163. [2022-12-13 12:42:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 154 states have (on average 1.4090909090909092) internal successors, (217), 162 states have internal predecessors, (217), 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) [2022-12-13 12:42:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 217 transitions. [2022-12-13 12:42:52,029 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 217 transitions. Word has length 10 [2022-12-13 12:42:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:52,029 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 217 transitions. [2022-12-13 12:42:52,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-12-13 12:42:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2022-12-13 12:42:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 12:42:52,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:52,030 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 12:42:52,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 12:42:52,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:52,232 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:52,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:52,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1990724853, now seen corresponding path program 1 times [2022-12-13 12:42:52,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:52,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976260865] [2022-12-13 12:42:52,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:52,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:52,259 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:52,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983066081] [2022-12-13 12:42:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:52,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:52,263 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:52,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 12:42:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:52,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:42:52,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:52,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:42:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:42:52,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:52,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976260865] [2022-12-13 12:42:52,360 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:52,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983066081] [2022-12-13 12:42:52,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983066081] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:42:52,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:42:52,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-12-13 12:42:52,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193649125] [2022-12-13 12:42:52,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:42:52,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:42:52,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:52,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:42:52,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:42:52,361 INFO L87 Difference]: Start difference. First operand 163 states and 217 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:52,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:52,518 INFO L93 Difference]: Finished difference Result 522 states and 701 transitions. [2022-12-13 12:42:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:42:52,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 12:42:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:52,520 INFO L225 Difference]: With dead ends: 522 [2022-12-13 12:42:52,520 INFO L226 Difference]: Without dead ends: 519 [2022-12-13 12:42:52,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:42:52,521 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 340 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:52,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 144 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:42:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-12-13 12:42:52,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 307. [2022-12-13 12:42:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.3724832214765101) internal successors, (409), 306 states have internal predecessors, (409), 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) [2022-12-13 12:42:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 409 transitions. [2022-12-13 12:42:52,548 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 409 transitions. Word has length 10 [2022-12-13 12:42:52,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:52,548 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 409 transitions. [2022-12-13 12:42:52,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 409 transitions. [2022-12-13 12:42:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:42:52,548 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:52,549 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 12:42:52,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 12:42:52,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:52,750 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:52,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1143628601, now seen corresponding path program 1 times [2022-12-13 12:42:52,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:52,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565083845] [2022-12-13 12:42:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:52,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:52,755 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:52,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880187406] [2022-12-13 12:42:52,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:52,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:52,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:52,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 12:42:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:52,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:42:52,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:42:52,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:42:52,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:52,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565083845] [2022-12-13 12:42:52,805 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:52,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880187406] [2022-12-13 12:42:52,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880187406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:42:52,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:42:52,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:42:52,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776959465] [2022-12-13 12:42:52,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:42:52,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:42:52,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:52,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:42:52,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:42:52,807 INFO L87 Difference]: Start difference. First operand 307 states and 409 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-13 12:42:52,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:52,865 INFO L93 Difference]: Finished difference Result 597 states and 794 transitions. [2022-12-13 12:42:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:42:52,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 12:42:52,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:52,866 INFO L225 Difference]: With dead ends: 597 [2022-12-13 12:42:52,866 INFO L226 Difference]: Without dead ends: 309 [2022-12-13 12:42:52,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:42:52,868 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 57 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:52,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 67 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-12-13 12:42:52,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2022-12-13 12:42:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.332214765100671) internal successors, (397), 306 states have internal predecessors, (397), 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) [2022-12-13 12:42:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 397 transitions. [2022-12-13 12:42:52,886 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 397 transitions. Word has length 11 [2022-12-13 12:42:52,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:52,886 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 397 transitions. [2022-12-13 12:42:52,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-12-13 12:42:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 397 transitions. [2022-12-13 12:42:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 12:42:52,887 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:52,887 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 12:42:52,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 12:42:53,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:53,089 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:53,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2069850521, now seen corresponding path program 1 times [2022-12-13 12:42:53,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:53,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984999986] [2022-12-13 12:42:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:53,113 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:53,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469142025] [2022-12-13 12:42:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:53,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:53,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:53,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 12:42:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:53,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:42:53,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 12:42:53,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:42:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 12:42:53,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:53,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984999986] [2022-12-13 12:42:53,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:53,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469142025] [2022-12-13 12:42:53,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469142025] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:42:53,270 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:42:53,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 12:42:53,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406474180] [2022-12-13 12:42:53,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:42:53,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 12:42:53,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:53,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 12:42:53,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:42:53,272 INFO L87 Difference]: Start difference. First operand 307 states and 397 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-12-13 12:42:53,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:53,389 INFO L93 Difference]: Finished difference Result 597 states and 771 transitions. [2022-12-13 12:42:53,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:42:53,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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 17 [2022-12-13 12:42:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:53,391 INFO L225 Difference]: With dead ends: 597 [2022-12-13 12:42:53,391 INFO L226 Difference]: Without dead ends: 309 [2022-12-13 12:42:53,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2022-12-13 12:42:53,392 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 181 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:53,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 94 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:42:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-12-13 12:42:53,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2022-12-13 12:42:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.2114093959731544) internal successors, (361), 306 states have internal predecessors, (361), 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) [2022-12-13 12:42:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2022-12-13 12:42:53,406 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 17 [2022-12-13 12:42:53,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:53,407 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2022-12-13 12:42:53,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-12-13 12:42:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2022-12-13 12:42:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 12:42:53,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:53,408 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2022-12-13 12:42:53,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 12:42:53,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 12:42:53,609 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:53,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:53,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1756482670, now seen corresponding path program 2 times [2022-12-13 12:42:53,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:53,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551517672] [2022-12-13 12:42:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:53,617 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:53,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766447982] [2022-12-13 12:42:53,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 12:42:53,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:53,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:53,618 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:53,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 12:42:53,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 12:42:53,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:42:53,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:42:53,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 12:42:53,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:42:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 12:42:53,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:53,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551517672] [2022-12-13 12:42:53,703 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:53,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766447982] [2022-12-13 12:42:53,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766447982] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:42:53,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:42:53,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-12-13 12:42:53,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115171419] [2022-12-13 12:42:53,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:42:53,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:42:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:53,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:42:53,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:42:53,704 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:53,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:53,756 INFO L93 Difference]: Finished difference Result 309 states and 363 transitions. [2022-12-13 12:42:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:42:53,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 12:42:53,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:53,758 INFO L225 Difference]: With dead ends: 309 [2022-12-13 12:42:53,758 INFO L226 Difference]: Without dead ends: 306 [2022-12-13 12:42:53,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:42:53,759 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 140 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:53,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 62 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:53,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-12-13 12:42:53,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 268. [2022-12-13 12:42:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 262 states have (on average 1.1793893129770991) internal successors, (309), 267 states have internal predecessors, (309), 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) [2022-12-13 12:42:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 309 transitions. [2022-12-13 12:42:53,773 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 309 transitions. Word has length 19 [2022-12-13 12:42:53,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:53,773 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 309 transitions. [2022-12-13 12:42:53,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:42:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 309 transitions. [2022-12-13 12:42:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 12:42:53,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:53,774 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 12:42:53,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 12:42:53,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 12:42:53,975 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:53,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:53,976 INFO L85 PathProgramCache]: Analyzing trace with hash 211563321, now seen corresponding path program 2 times [2022-12-13 12:42:53,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:53,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835141874] [2022-12-13 12:42:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:53,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:53,984 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:53,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229370163] [2022-12-13 12:42:53,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 12:42:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:53,985 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:53,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 12:42:54,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 12:42:54,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:42:54,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:42:54,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 12:42:54,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:42:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 12:42:54,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:54,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835141874] [2022-12-13 12:42:54,096 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:54,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229370163] [2022-12-13 12:42:54,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229370163] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:42:54,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:42:54,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-12-13 12:42:54,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641689021] [2022-12-13 12:42:54,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:42:54,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:42:54,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:42:54,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:42:54,097 INFO L87 Difference]: Start difference. First operand 268 states and 309 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) [2022-12-13 12:42:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:54,154 INFO L93 Difference]: Finished difference Result 270 states and 311 transitions. [2022-12-13 12:42:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:42:54,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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 35 [2022-12-13 12:42:54,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:54,155 INFO L225 Difference]: With dead ends: 270 [2022-12-13 12:42:54,155 INFO L226 Difference]: Without dead ends: 267 [2022-12-13 12:42:54,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:42:54,156 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 76 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:54,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 45 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:54,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-12-13 12:42:54,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 151. [2022-12-13 12:42:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 148 states have (on average 1.1824324324324325) internal successors, (175), 150 states have internal predecessors, (175), 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) [2022-12-13 12:42:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2022-12-13 12:42:54,164 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 35 [2022-12-13 12:42:54,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:54,165 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2022-12-13 12:42:54,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) [2022-12-13 12:42:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2022-12-13 12:42:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 12:42:54,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:54,166 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-13 12:42:54,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 12:42:54,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:54,367 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:54,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:54,368 INFO L85 PathProgramCache]: Analyzing trace with hash -284679806, now seen corresponding path program 1 times [2022-12-13 12:42:54,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:54,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123089693] [2022-12-13 12:42:54,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:54,397 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:54,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1693716783] [2022-12-13 12:42:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:54,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:54,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:54,401 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:54,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 12:42:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:42:54,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 12:42:54,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-13 12:42:54,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:42:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-13 12:42:54,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:54,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123089693] [2022-12-13 12:42:54,609 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:54,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693716783] [2022-12-13 12:42:54,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693716783] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:42:54,609 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:42:54,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-13 12:42:54,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772642307] [2022-12-13 12:42:54,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:42:54,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 12:42:54,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:54,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 12:42:54,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:42:54,611 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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) [2022-12-13 12:42:54,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:54,830 INFO L93 Difference]: Finished difference Result 444 states and 539 transitions. [2022-12-13 12:42:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 12:42:54,830 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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 42 [2022-12-13 12:42:54,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:54,832 INFO L225 Difference]: With dead ends: 444 [2022-12-13 12:42:54,832 INFO L226 Difference]: Without dead ends: 297 [2022-12-13 12:42:54,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2022-12-13 12:42:54,833 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 238 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:54,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 146 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:42:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-12-13 12:42:54,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2022-12-13 12:42:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 292 states have (on average 1.1335616438356164) internal successors, (331), 294 states have internal predecessors, (331), 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) [2022-12-13 12:42:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 331 transitions. [2022-12-13 12:42:54,858 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 331 transitions. Word has length 42 [2022-12-13 12:42:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:54,858 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 331 transitions. [2022-12-13 12:42:54,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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) [2022-12-13 12:42:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 331 transitions. [2022-12-13 12:42:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-13 12:42:54,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:42:54,860 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-12-13 12:42:54,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 12:42:55,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:55,061 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-12-13 12:42:55,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:42:55,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1470697150, now seen corresponding path program 2 times [2022-12-13 12:42:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:42:55,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641980967] [2022-12-13 12:42:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:42:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:42:55,077 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 12:42:55,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336153593] [2022-12-13 12:42:55,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 12:42:55,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:42:55,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:42:55,079 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:42:55,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 12:42:55,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 12:42:55,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 12:42:55,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:42:55,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:42:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-12-13 12:42:55,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:42:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-12-13 12:42:55,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:42:55,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641980967] [2022-12-13 12:42:55,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 12:42:55,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336153593] [2022-12-13 12:42:55,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336153593] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:42:55,270 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:42:55,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-12-13 12:42:55,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830624430] [2022-12-13 12:42:55,271 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:42:55,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:42:55,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:42:55,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:42:55,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:42:55,272 INFO L87 Difference]: Start difference. First operand 295 states and 331 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2022-12-13 12:42:55,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:42:55,321 INFO L93 Difference]: Finished difference Result 297 states and 333 transitions. [2022-12-13 12:42:55,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:42:55,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 78 [2022-12-13 12:42:55,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:42:55,322 INFO L225 Difference]: With dead ends: 297 [2022-12-13 12:42:55,322 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:42:55,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:42:55,323 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:42:55,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 31 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:42:55,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:42:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:42:55,324 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) [2022-12-13 12:42:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:42:55,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-12-13 12:42:55,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:42:55,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:42:55,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2022-12-13 12:42:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:42:55,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:42:55,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-12-13 12:42:55,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-12-13 12:42:55,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-12-13 12:42:55,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-12-13 12:42:55,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-12-13 12:42:55,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-12-13 12:42:55,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-12-13 12:42:55,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-12-13 12:42:55,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-12-13 12:42:55,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-12-13 12:42:55,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-12-13 12:42:55,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-12-13 12:42:55,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-13 12:42:55,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 12:42:55,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:42:56,773 INFO L899 garLoopResultBuilder]: For program point L68-3(lines 68 75) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L895 garLoopResultBuilder]: At program point L44-2(lines 44 57) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point L44-3(lines 44 57) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 79) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-13 12:42:56,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 35) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 35) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L895 garLoopResultBuilder]: At program point L70-2(lines 70 73) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L895 garLoopResultBuilder]: At program point L30-2(lines 30 33) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 33) no Hoare annotation was computed. [2022-12-13 12:42:56,775 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 55) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-12-13 12:42:56,775 INFO L899 garLoopResultBuilder]: For program point L47-3(lines 47 55) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L895 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 1799) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L895 garLoopResultBuilder]: At program point L65-2(lines 65 77) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point L65-3(lines 65 77) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2022-12-13 12:42:56,776 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 53) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L895 garLoopResultBuilder]: At program point L25-2(lines 25 37) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L25-3(lines 25 37) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 51) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-13 12:42:56,777 INFO L895 garLoopResultBuilder]: At program point L68-2(lines 68 75) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-12-13 12:42:56,780 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:42:56,781 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:42:56,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:42:56 BoogieIcfgContainer [2022-12-13 12:42:56,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:42:56,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:42:56,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:42:56,793 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:42:56,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:42:49" (3/4) ... [2022-12-13 12:42:56,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:42:56,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 12:42:56,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 12:42:56,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:42:56,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:42:56,829 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:42:56,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:42:56,830 INFO L158 Benchmark]: Toolchain (without parser) took 7911.81ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 77.4MB in the beginning and 61.9MB in the end (delta: 15.6MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2022-12-13 12:42:56,830 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:42:56,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.07ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 66.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:42:56,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.12ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:42:56,831 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 111.1MB. Free memory was 64.9MB in the beginning and 63.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:42:56,831 INFO L158 Benchmark]: RCFGBuilder took 281.04ms. Allocated memory is still 111.1MB. Free memory was 63.5MB in the beginning and 49.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 12:42:56,832 INFO L158 Benchmark]: TraceAbstraction took 7386.81ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 48.9MB in the beginning and 66.1MB in the end (delta: -17.2MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-12-13 12:42:56,832 INFO L158 Benchmark]: Witness Printer took 36.40ms. Allocated memory is still 172.0MB. Free memory was 65.0MB in the beginning and 61.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:42:56,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.07ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 66.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.12ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.92ms. Allocated memory is still 111.1MB. Free memory was 64.9MB in the beginning and 63.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.04ms. Allocated memory is still 111.1MB. Free memory was 63.5MB in the beginning and 49.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7386.81ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 48.9MB in the beginning and 66.1MB in the end (delta: -17.2MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Witness Printer took 36.40ms. Allocated memory is still 172.0MB. Free memory was 65.0MB in the beginning and 61.9MB 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: 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, 57 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 14, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1449 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1449 mSDsluCounter, 981 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 438 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 438 mSolverCounterUnsat, 511 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=307occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 467 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 116 NumberOfFragments, 343 HoareAnnotationTreeSize, 11 FomulaSimplifications, 1398 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 11 FomulaSimplificationsInter, 8585 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 259 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 1206 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1019 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 928/1772 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 18 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 1799) && j <= 1499 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= i - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:42:56,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49647e8b-7c4e-4a7f-9543-424fb8a04995/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE