./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/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_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/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_46137c56-4968-4333-9ae1-a5c0513ce84b/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 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- 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 19:12:58,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:12:58,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:12:58,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:12:58,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:12:58,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:12:58,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:12:58,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:12:58,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:12:58,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:12:58,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:12:58,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:12:58,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:12:58,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:12:58,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:12:58,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:12:58,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:12:58,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:12:58,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:12:58,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:12:58,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:12:58,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:12:58,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:12:58,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:12:58,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:12:58,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:12:58,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:12:58,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:12:58,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:12:58,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:12:58,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:12:58,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:12:58,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:12:58,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:12:58,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:12:58,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:12:58,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:12:58,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:12:58,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:12:58,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:12:58,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:12:58,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:12:58,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:12:58,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:12:58,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:12:58,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:12:58,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:12:58,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:12:58,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:12:58,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:12:58,113 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:12:58,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:12:58,113 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:12:58,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:12:58,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:12:58,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:12:58,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:12:58,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:12:58,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:12:58,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:12:58,115 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:12:58,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:12:58,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:12:58,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:12:58,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:12:58,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:12:58,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:12:58,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:12:58,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:58,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:12:58,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:12:58,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:12:58,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:12:58,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:12:58,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:12:58,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:12:58,118 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:12:58,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:12:58,118 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:12:58,118 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_46137c56-4968-4333-9ae1-a5c0513ce84b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2022-12-13 19:12:58,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:12:58,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:12:58,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:12:58,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:12:58,335 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:12:58,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-invgen/large_const.i [2022-12-13 19:13:01,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:13:01,252 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:13:01,252 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/sv-benchmarks/c/loop-invgen/large_const.i [2022-12-13 19:13:01,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/data/bcf1a5a23/220a016c041c4a6c8333e6ba4e9542c5/FLAG3ef4ec7a1 [2022-12-13 19:13:01,270 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/data/bcf1a5a23/220a016c041c4a6c8333e6ba4e9542c5 [2022-12-13 19:13:01,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:13:01,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:13:01,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:13:01,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:13:01,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:13:01,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521fa0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01, skipping insertion in model container [2022-12-13 19:13:01,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:13:01,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:13:01,414 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_46137c56-4968-4333-9ae1-a5c0513ce84b/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-12-13 19:13:01,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:13:01,432 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:13:01,442 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_46137c56-4968-4333-9ae1-a5c0513ce84b/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-12-13 19:13:01,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:13:01,457 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:13:01,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01 WrapperNode [2022-12-13 19:13:01,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:13:01,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:13:01,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:13:01,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:13:01,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,481 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-12-13 19:13:01,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:13:01,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:13:01,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:13:01,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:13:01,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:13:01,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:13:01,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:13:01,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:13:01,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (1/1) ... [2022-12-13 19:13:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:13:01,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:01,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:13:01,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:13:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:13:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:13:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:13:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:13:01,616 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:13:01,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:13:01,723 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:13:01,727 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:13:01,727 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:13:01,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:13:01 BoogieIcfgContainer [2022-12-13 19:13:01,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:13:01,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:13:01,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:13:01,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:13:01,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:13:01" (1/3) ... [2022-12-13 19:13:01,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@882dce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:13:01, skipping insertion in model container [2022-12-13 19:13:01,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:01" (2/3) ... [2022-12-13 19:13:01,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@882dce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:13:01, skipping insertion in model container [2022-12-13 19:13:01,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:13:01" (3/3) ... [2022-12-13 19:13:01,735 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const.i [2022-12-13 19:13:01,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:13:01,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-12-13 19:13:01,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:13:01,786 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;@22c8fd90, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:13:01,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-13 19:13:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 39 states have internal predecessors, (48), 0 states have call successors, (0), 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 19:13:01,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 19:13:01,793 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:01,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:13:01,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:01,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:01,798 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2022-12-13 19:13:01,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:01,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835619033] [2022-12-13 19:13:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:01,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:01,948 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 19:13:01,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:01,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835619033] [2022-12-13 19:13:01,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835619033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:01,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:01,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:01,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360265038] [2022-12-13 19:13:01,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:01,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:01,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:01,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:01,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:01,983 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 39 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 19:13:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,031 INFO L93 Difference]: Finished difference Result 79 states and 93 transitions. [2022-12-13 19:13:02,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 19:13:02,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,039 INFO L225 Difference]: With dead ends: 79 [2022-12-13 19:13:02,039 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 19:13:02,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:13:02,044 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 21 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 123 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 19:13:02,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38. [2022-12-13 19:13:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-12-13 19:13:02,069 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 5 [2022-12-13 19:13:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,069 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-12-13 19:13:02,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 19:13:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-12-13 19:13:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 19:13:02,070 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:13:02,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1387008876, now seen corresponding path program 1 times [2022-12-13 19:13:02,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790106470] [2022-12-13 19:13:02,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,159 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 19:13:02,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790106470] [2022-12-13 19:13:02,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790106470] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033877975] [2022-12-13 19:13:02,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,163 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 3.0) 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 19:13:02,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,207 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-12-13 19:13:02,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) 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 9 [2022-12-13 19:13:02,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,210 INFO L225 Difference]: With dead ends: 65 [2022-12-13 19:13:02,210 INFO L226 Difference]: Without dead ends: 64 [2022-12-13 19:13:02,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,212 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 85 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 45 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-13 19:13:02,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 41. [2022-12-13 19:13:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 40 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-12-13 19:13:02,217 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 9 [2022-12-13 19:13:02,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,217 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-12-13 19:13:02,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) 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 19:13:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-12-13 19:13:02,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 19:13:02,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:13:02,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1362414418, now seen corresponding path program 1 times [2022-12-13 19:13:02,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088554507] [2022-12-13 19:13:02,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,277 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 19:13:02,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088554507] [2022-12-13 19:13:02,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088554507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707754052] [2022-12-13 19:13:02,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,280 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.0) 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 19:13:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,306 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2022-12-13 19:13:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) 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 9 [2022-12-13 19:13:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,307 INFO L225 Difference]: With dead ends: 48 [2022-12-13 19:13:02,307 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 19:13:02,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:13:02,309 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 19:13:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 19:13:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.5) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 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 19:13:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-12-13 19:13:02,314 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 9 [2022-12-13 19:13:02,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,314 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-12-13 19:13:02,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) 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 19:13:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-12-13 19:13:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:13:02,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:13:02,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash 47608248, now seen corresponding path program 1 times [2022-12-13 19:13:02,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899387159] [2022-12-13 19:13:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,360 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 19:13:02,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899387159] [2022-12-13 19:13:02,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899387159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634257572] [2022-12-13 19:13:02,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,363 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) 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 19:13:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,401 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2022-12-13 19:13:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 10 [2022-12-13 19:13:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,402 INFO L225 Difference]: With dead ends: 67 [2022-12-13 19:13:02,402 INFO L226 Difference]: Without dead ends: 66 [2022-12-13 19:13:02,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,403 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 58 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 47 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-13 19:13:02,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 48. [2022-12-13 19:13:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.5) internal successors, (54), 47 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2022-12-13 19:13:02,409 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 10 [2022-12-13 19:13:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,409 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2022-12-13 19:13:02,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 19:13:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2022-12-13 19:13:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:13:02,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:13:02,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,411 INFO L85 PathProgramCache]: Analyzing trace with hash 47608440, now seen corresponding path program 1 times [2022-12-13 19:13:02,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046952687] [2022-12-13 19:13:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,450 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 19:13:02,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046952687] [2022-12-13 19:13:02,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046952687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628795834] [2022-12-13 19:13:02,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,452 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) 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 19:13:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,484 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2022-12-13 19:13:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 10 [2022-12-13 19:13:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,485 INFO L225 Difference]: With dead ends: 66 [2022-12-13 19:13:02,485 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 19:13:02,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,486 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 75 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 47 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 19:13:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 49. [2022-12-13 19:13:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2022-12-13 19:13:02,490 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 10 [2022-12-13 19:13:02,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,491 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2022-12-13 19:13:02,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 19:13:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2022-12-13 19:13:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:13:02,491 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:13:02,492 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 47602258, now seen corresponding path program 1 times [2022-12-13 19:13:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424996461] [2022-12-13 19:13:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,523 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 19:13:02,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424996461] [2022-12-13 19:13:02,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424996461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237360024] [2022-12-13 19:13:02,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,526 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) 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 19:13:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,556 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-12-13 19:13:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 10 [2022-12-13 19:13:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,557 INFO L225 Difference]: With dead ends: 65 [2022-12-13 19:13:02,557 INFO L226 Difference]: Without dead ends: 64 [2022-12-13 19:13:02,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,559 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 73 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 47 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-13 19:13:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 50. [2022-12-13 19:13:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 49 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2022-12-13 19:13:02,565 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 10 [2022-12-13 19:13:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,566 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2022-12-13 19:13:02,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 19:13:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2022-12-13 19:13:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:13:02,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:13:02,567 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1475855759, now seen corresponding path program 1 times [2022-12-13 19:13:02,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048917831] [2022-12-13 19:13:02,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,607 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 19:13:02,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048917831] [2022-12-13 19:13:02,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048917831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478537002] [2022-12-13 19:13:02,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,609 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,636 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2022-12-13 19:13:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,637 INFO L225 Difference]: With dead ends: 64 [2022-12-13 19:13:02,637 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 19:13:02,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,638 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 54 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 49 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 19:13:02,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 51. [2022-12-13 19:13:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 50 states have internal predecessors, (57), 0 states have call successors, (0), 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 19:13:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2022-12-13 19:13:02,643 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 11 [2022-12-13 19:13:02,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,643 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2022-12-13 19:13:02,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2022-12-13 19:13:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:13:02,643 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:13:02,644 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1475861717, now seen corresponding path program 1 times [2022-12-13 19:13:02,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077193137] [2022-12-13 19:13:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,672 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 19:13:02,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077193137] [2022-12-13 19:13:02,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077193137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414278732] [2022-12-13 19:13:02,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,674 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,701 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2022-12-13 19:13:02,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,703 INFO L225 Difference]: With dead ends: 63 [2022-12-13 19:13:02,703 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 19:13:02,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,704 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 53 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 50 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 19:13:02,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 52. [2022-12-13 19:13:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.45) internal successors, (58), 51 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 19:13:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-12-13 19:13:02,709 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 11 [2022-12-13 19:13:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,710 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-12-13 19:13:02,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-12-13 19:13:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:13:02,711 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:13:02,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,712 INFO L85 PathProgramCache]: Analyzing trace with hash -684766220, now seen corresponding path program 1 times [2022-12-13 19:13:02,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576269542] [2022-12-13 19:13:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,737 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 19:13:02,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576269542] [2022-12-13 19:13:02,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576269542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:02,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440962063] [2022-12-13 19:13:02,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:02,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:02,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:02,739 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,774 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2022-12-13 19:13:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:02,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,775 INFO L225 Difference]: With dead ends: 62 [2022-12-13 19:13:02,775 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 19:13:02,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:13:02,776 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 74 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 19:13:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-13 19:13:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.375) internal successors, (66), 59 states have internal predecessors, (66), 0 states have call successors, (0), 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 19:13:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2022-12-13 19:13:02,781 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 11 [2022-12-13 19:13:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,781 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2022-12-13 19:13:02,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 19:13:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-12-13 19:13:02,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 19:13:02,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,782 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:13:02,782 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:02,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1498868844, now seen corresponding path program 1 times [2022-12-13 19:13:02,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:02,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789388283] [2022-12-13 19:13:02,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:02,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:02,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789388283] [2022-12-13 19:13:02,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789388283] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:02,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588608239] [2022-12-13 19:13:02,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:02,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:02,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:02,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:02,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:13:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:02,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:02,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:02,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:13:02,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588608239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:02,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:13:02,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2022-12-13 19:13:02,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178310279] [2022-12-13 19:13:02,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:02,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:13:02,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:02,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:13:02,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:13:02,932 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:02,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:02,958 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2022-12-13 19:13:02,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:13:02,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-13 19:13:02,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:02,960 INFO L225 Difference]: With dead ends: 89 [2022-12-13 19:13:02,960 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 19:13:02,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:13:02,961 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 35 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:02,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 94 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:02,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 19:13:02,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 41. [2022-12-13 19:13:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 40 states have internal predecessors, (44), 0 states have call successors, (0), 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 19:13:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2022-12-13 19:13:02,968 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 12 [2022-12-13 19:13:02,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:02,968 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2022-12-13 19:13:02,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2022-12-13 19:13:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 19:13:02,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:02,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:02,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:13:03,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 19:13:03,171 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash -265230142, now seen corresponding path program 1 times [2022-12-13 19:13:03,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:03,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071844079] [2022-12-13 19:13:03,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:03,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:13:03,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:03,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071844079] [2022-12-13 19:13:03,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071844079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:03,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:03,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:13:03,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986384006] [2022-12-13 19:13:03,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:03,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:13:03,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:03,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:13:03,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:13:03,325 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:03,352 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2022-12-13 19:13:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:13:03,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-13 19:13:03,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:03,353 INFO L225 Difference]: With dead ends: 52 [2022-12-13 19:13:03,353 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 19:13:03,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:13:03,354 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:03,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 76 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:03,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 19:13:03,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-13 19:13:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.206896551724138) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 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 19:13:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2022-12-13 19:13:03,359 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 16 [2022-12-13 19:13:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:03,360 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2022-12-13 19:13:03,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-12-13 19:13:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 19:13:03,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:03,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:03,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:13:03,361 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:03,361 INFO L85 PathProgramCache]: Analyzing trace with hash -954723677, now seen corresponding path program 1 times [2022-12-13 19:13:03,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:03,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648962141] [2022-12-13 19:13:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:03,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:03,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648962141] [2022-12-13 19:13:03,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648962141] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:03,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050353313] [2022-12-13 19:13:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:03,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:03,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:03,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:13:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:03,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:03,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:03,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:03,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050353313] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:03,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:03,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 19:13:03,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016117135] [2022-12-13 19:13:03,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:03,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:13:03,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:03,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:13:03,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:13:03,555 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 11 states, 10 states have (on average 4.3) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 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 19:13:03,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:03,679 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2022-12-13 19:13:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:13:03,679 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 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 18 [2022-12-13 19:13:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:03,679 INFO L225 Difference]: With dead ends: 58 [2022-12-13 19:13:03,680 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 19:13:03,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-12-13 19:13:03,680 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 106 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:03,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 107 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:03,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 19:13:03,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2022-12-13 19:13:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-12-13 19:13:03,688 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 18 [2022-12-13 19:13:03,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:03,688 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-12-13 19:13:03,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 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 19:13:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-12-13 19:13:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 19:13:03,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:03,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:03,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:13:03,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:03,891 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:03,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1508700384, now seen corresponding path program 1 times [2022-12-13 19:13:03,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:03,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116726933] [2022-12-13 19:13:03,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:03,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:04,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:04,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116726933] [2022-12-13 19:13:04,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116726933] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:04,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380501661] [2022-12-13 19:13:04,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:04,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:04,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:04,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:04,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:13:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:04,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:04,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:04,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:04,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380501661] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:04,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:04,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 19:13:04,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655303230] [2022-12-13 19:13:04,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:04,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:13:04,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:04,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:13:04,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:13:04,187 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:04,318 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2022-12-13 19:13:04,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:13:04,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:04,319 INFO L225 Difference]: With dead ends: 73 [2022-12-13 19:13:04,319 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 19:13:04,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-12-13 19:13:04,320 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 102 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:04,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 139 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 19:13:04,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 48. [2022-12-13 19:13:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-12-13 19:13:04,327 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 19 [2022-12-13 19:13:04,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:04,328 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-12-13 19:13:04,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-12-13 19:13:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 19:13:04,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:04,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:04,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:13:04,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:04,529 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:04,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:04,530 INFO L85 PathProgramCache]: Analyzing trace with hash 178020902, now seen corresponding path program 1 times [2022-12-13 19:13:04,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:04,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599102703] [2022-12-13 19:13:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:04,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:04,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599102703] [2022-12-13 19:13:04,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599102703] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:04,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291262465] [2022-12-13 19:13:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:04,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:04,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:04,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:04,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:13:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:04,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:04,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:04,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:04,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291262465] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:04,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:04,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 19:13:04,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445107988] [2022-12-13 19:13:04,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:04,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:13:04,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:04,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:13:04,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:13:04,696 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:04,810 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2022-12-13 19:13:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:13:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:04,811 INFO L225 Difference]: With dead ends: 63 [2022-12-13 19:13:04,811 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 19:13:04,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-12-13 19:13:04,812 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 53 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:04,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 120 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:04,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 19:13:04,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 41. [2022-12-13 19:13:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 40 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-12-13 19:13:04,818 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 19 [2022-12-13 19:13:04,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:04,818 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-12-13 19:13:04,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 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 19:13:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-12-13 19:13:04,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 19:13:04,819 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:04,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:04,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 19:13:05,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 19:13:05,020 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:05,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash 468337194, now seen corresponding path program 1 times [2022-12-13 19:13:05,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:05,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422938162] [2022-12-13 19:13:05,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:05,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:05,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:05,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422938162] [2022-12-13 19:13:05,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422938162] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:05,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393701275] [2022-12-13 19:13:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:05,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:05,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:05,167 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:05,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:13:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:05,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:05,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:05,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:05,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393701275] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:05,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:05,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 19:13:05,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208252199] [2022-12-13 19:13:05,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:05,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:13:05,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:05,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:13:05,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:13:05,294 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 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 19:13:05,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:05,367 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2022-12-13 19:13:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 19:13:05,367 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 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 19 [2022-12-13 19:13:05,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:05,368 INFO L225 Difference]: With dead ends: 66 [2022-12-13 19:13:05,368 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 19:13:05,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:13:05,369 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 71 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:05,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 61 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:05,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 19:13:05,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 40. [2022-12-13 19:13:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 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 19:13:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-12-13 19:13:05,375 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 19 [2022-12-13 19:13:05,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:05,375 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-12-13 19:13:05,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 11 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 19:13:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-12-13 19:13:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 19:13:05,376 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:05,376 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:05,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:13:05,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 19:13:05,577 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 19:13:05,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1150027917, now seen corresponding path program 1 times [2022-12-13 19:13:05,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:05,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3707044] [2022-12-13 19:13:05,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:05,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:13:05,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:05,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3707044] [2022-12-13 19:13:05,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3707044] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:05,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779170909] [2022-12-13 19:13:05,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:05,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:05,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:05,628 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:05,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:13:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:05,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:05,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:05,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:13:05,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779170909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:05,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:13:05,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-12-13 19:13:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332646220] [2022-12-13 19:13:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:05,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:13:05,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:05,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:13:05,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:13:05,723 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 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 19:13:05,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:05,745 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-12-13 19:13:05,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:13:05,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-13 19:13:05,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:05,746 INFO L225 Difference]: With dead ends: 40 [2022-12-13 19:13:05,746 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:13:05,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:13:05,747 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:05,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 62 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:05,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:13:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:13:05,748 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 19:13:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:13:05,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-13 19:13:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:05,748 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:13:05,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 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 19:13:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:13:05,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:13:05,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-12-13 19:13:05,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-12-13 19:13:05,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-12-13 19:13:05,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-12-13 19:13:05,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-12-13 19:13:05,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-12-13 19:13:05,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-12-13 19:13:05,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-12-13 19:13:05,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-12-13 19:13:05,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-12-13 19:13:05,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-12-13 19:13:05,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-12-13 19:13:05,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 19:13:05,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 19:13:05,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:13:07,117 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-12-13 19:13:07,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-13 19:13:07,117 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-12-13 19:13:07,118 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-12-13 19:13:07,118 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2022-12-13 19:13:07,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-12-13 19:13:07,118 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 24 52) the Hoare annotation is: true [2022-12-13 19:13:07,118 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 43) no Hoare annotation was computed. [2022-12-13 19:13:07,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L895 garLoopResultBuilder]: At program point L40-2(lines 34 44) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~c1~0#1| 4000)) (.cse1 (<= 2000 |ULTIMATE.start_main_~c2~0#1|)) (.cse2 (<= 4000 |ULTIMATE.start_main_~c1~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~c3~0#1| 10000)) (.cse4 (<= |ULTIMATE.start_main_~c2~0#1| 2000)) (.cse5 (<= 10000 |ULTIMATE.start_main_~c3~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= 2000 |ULTIMATE.start_main_~k~0#1|) .cse2 (< |ULTIMATE.start_main_~k~0#1| 2147483649) (< |ULTIMATE.start_main_~n~0#1| 2) .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~k~0#1| 0) .cse3 .cse4 .cse5))) [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-13 19:13:07,119 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 50) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~c1~0#1| 4000)) (.cse1 (<= 2000 |ULTIMATE.start_main_~c2~0#1|)) (.cse2 (<= 4000 |ULTIMATE.start_main_~c1~0#1|)) (.cse3 (< |ULTIMATE.start_main_~k~0#1| 2147483649)) (.cse4 (< |ULTIMATE.start_main_~n~0#1| 2)) (.cse5 (<= |ULTIMATE.start_main_~c3~0#1| 10000)) (.cse6 (<= |ULTIMATE.start_main_~c2~0#1| 2000)) (.cse8 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse7 (<= 10000 |ULTIMATE.start_main_~c3~0#1|))) (or (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~n~0#1| 0) (= |ULTIMATE.start_main_~k~0#1| 0) .cse5 .cse6 .cse8 .cse7) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= 2000 |ULTIMATE.start_main_~k~0#1|) .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse7))) [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-13 19:13:07,120 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 43) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 44) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~c1~0#1| 4000) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 2000 |ULTIMATE.start_main_~c2~0#1|) (<= 2000 |ULTIMATE.start_main_~k~0#1|) (<= 4000 |ULTIMATE.start_main_~c1~0#1|) (< |ULTIMATE.start_main_~k~0#1| 2147483649) (< |ULTIMATE.start_main_~n~0#1| 2) (<= |ULTIMATE.start_main_~c3~0#1| 10000) (<= |ULTIMATE.start_main_~c2~0#1| 2000) (= |ULTIMATE.start_main_~j~0#1| 0) (<= 10000 |ULTIMATE.start_main_~c3~0#1|)) [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2022-12-13 19:13:07,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-12-13 19:13:07,122 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-12-13 19:13:07,122 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-12-13 19:13:07,122 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-13 19:13:07,122 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2022-12-13 19:13:07,125 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:07,127 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:13:07,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:13:07 BoogieIcfgContainer [2022-12-13 19:13:07,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:13:07,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:13:07,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:13:07,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:13:07,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:13:01" (3/4) ... [2022-12-13 19:13:07,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:13:07,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 19:13:07,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 19:13:07,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:13:07,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:13:07,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:13:07,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:13:07,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:13:07,187 INFO L158 Benchmark]: Toolchain (without parser) took 5912.43ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 93.1MB in the beginning and 87.5MB in the end (delta: 5.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,187 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:13:07,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.24ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 82.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.87ms. Allocated memory is still 125.8MB. Free memory was 82.4MB in the beginning and 81.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,188 INFO L158 Benchmark]: Boogie Preprocessor took 17.58ms. Allocated memory is still 125.8MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,188 INFO L158 Benchmark]: RCFGBuilder took 228.33ms. Allocated memory is still 125.8MB. Free memory was 79.7MB in the beginning and 68.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,188 INFO L158 Benchmark]: TraceAbstraction took 5410.17ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 67.7MB in the beginning and 90.6MB in the end (delta: -22.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,188 INFO L158 Benchmark]: Witness Printer took 45.30ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:13:07,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.24ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 82.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.87ms. Allocated memory is still 125.8MB. Free memory was 82.4MB in the beginning and 81.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.58ms. Allocated memory is still 125.8MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 228.33ms. Allocated memory is still 125.8MB. Free memory was 79.7MB in the beginning and 68.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5410.17ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 67.7MB in the beginning and 90.6MB in the end (delta: -22.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 45.30ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 87.5MB in the end (delta: 2.1MB). 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: 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, 40 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 816 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 816 mSDsluCounter, 1239 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 797 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 587 IncrementalHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 442 mSDtfsCounter, 587 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=9, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 195 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 192 HoareAnnotationTreeSize, 4 FomulaSimplifications, 3430 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 8100 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 322 NumberOfCodeBlocks, 322 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 371 ConstructedInterpolants, 0 QuantifiedInterpolants, 1588 SizeOfPredicates, 14 NumberOfNonLiveVariables, 504 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 26 InterpolantComputations, 12 PerfectInterpolantSequences, 12/30 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 12 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((c1 <= 4000 && 1 <= i) && 2000 <= c2) && 2000 <= k) && 4000 <= c1) && k < 2147483649) && n < 2) && c3 <= 10000) && c2 <= 2000) && j == 0) && 10000 <= c3 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((c1 <= 4000 && 1 <= i) && 2000 <= c2) && 2000 <= k) && 4000 <= c1) && k < 2147483649) && n < 2) && c3 <= 10000) && c2 <= 2000) && 10000 <= c3) || (((((((i == 0 && c1 <= 4000) && 2000 <= c2) && 4000 <= c1) && k == 0) && c3 <= 10000) && c2 <= 2000) && 10000 <= c3) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((((0 <= k && c1 <= 4000) && 2000 <= c2) && 4000 <= c1) && k < 2147483649) && n < 2) && 1 <= j) && 0 <= i) && c3 <= 10000) && c2 <= 2000) && 10000 <= c3) || (((((((((i == 0 && c1 <= 4000) && 2000 <= c2) && 4000 <= c1) && n <= 0) && k == 0) && c3 <= 10000) && c2 <= 2000) && j == 0) && 10000 <= c3)) || ((((((((((c1 <= 4000 && 1 <= i) && 2000 <= c2) && 2000 <= k) && 4000 <= c1) && k < 2147483649) && n < 2) && c3 <= 10000) && c2 <= 2000) && j == 0) && 10000 <= c3) RESULT: Ultimate proved your program to be correct! [2022-12-13 19:13:07,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46137c56-4968-4333-9ae1-a5c0513ce84b/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