./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/half_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/half_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R --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 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 --- 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-38b53e6 [2022-11-25 15:27:51,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:27:51,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:27:51,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:27:51,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:27:51,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:27:51,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:27:51,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:27:51,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:27:51,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:27:51,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:27:51,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:27:51,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:27:51,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:27:51,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:27:51,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:27:51,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:27:51,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:27:51,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:27:51,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:27:51,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:27:51,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:27:51,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:27:51,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:27:51,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:27:51,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:27:51,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:27:51,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:27:51,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:27:51,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:27:51,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:27:51,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:27:51,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:27:51,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:27:51,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:27:51,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:27:51,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:27:51,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:27:51,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:27:51,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:27:51,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:27:51,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 15:27:51,202 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:27:51,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:27:51,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:27:51,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:27:51,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:27:51,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:27:51,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:27:51,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:27:51,220 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:27:51,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:27:51,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:27:51,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:27:51,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:27:51,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:27:51,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:27:51,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:27:51,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:27:51,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:27:51,223 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:27:51,224 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:27:51,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:27:51,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:27:51,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:27:51,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:27:51,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:27:51,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:27:51,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:27:51,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:27:51,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:27:51,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:27:51,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:27:51,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:27:51,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:27:51,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:27:51,228 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:27:51,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:27:51,229 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_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 [2022-11-25 15:27:51,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:27:51,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:27:51,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:27:51,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:27:51,597 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:27:51,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/loop-invgen/half_2.i [2022-11-25 15:27:55,425 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:27:55,661 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:27:55,662 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/sv-benchmarks/c/loop-invgen/half_2.i [2022-11-25 15:27:55,669 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/data/b0aa9a10e/46999ff7b4b644c09680307e9b2ec10a/FLAG7bfac0e85 [2022-11-25 15:27:55,687 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/data/b0aa9a10e/46999ff7b4b644c09680307e9b2ec10a [2022-11-25 15:27:55,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:27:55,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:27:55,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:27:55,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:27:55,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:27:55,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:55" (1/1) ... [2022-11-25 15:27:55,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616d755d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:55, skipping insertion in model container [2022-11-25 15:27:55,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:55" (1/1) ... [2022-11-25 15:27:55,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:27:55,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:27:55,954 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_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/sv-benchmarks/c/loop-invgen/half_2.i[893,906] [2022-11-25 15:27:55,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:27:55,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:27:56,005 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_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/sv-benchmarks/c/loop-invgen/half_2.i[893,906] [2022-11-25 15:27:56,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:27:56,025 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:27:56,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56 WrapperNode [2022-11-25 15:27:56,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:27:56,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:27:56,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:27:56,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:27:56,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,061 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-11-25 15:27:56,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:27:56,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:27:56,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:27:56,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:27:56,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:27:56,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:27:56,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:27:56,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:27:56,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (1/1) ... [2022-11-25 15:27:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:27:56,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:56,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:56,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:27:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:27:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:27:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:27:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:27:56,280 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:27:56,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:27:56,462 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:27:56,477 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:27:56,477 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:27:56,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:56 BoogieIcfgContainer [2022-11-25 15:27:56,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:27:56,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:27:56,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:27:56,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:27:56,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:27:55" (1/3) ... [2022-11-25 15:27:56,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c21aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:27:56, skipping insertion in model container [2022-11-25 15:27:56,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:56" (2/3) ... [2022-11-25 15:27:56,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c21aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:27:56, skipping insertion in model container [2022-11-25 15:27:56,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:56" (3/3) ... [2022-11-25 15:27:56,498 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i [2022-11-25 15:27:56,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:27:56,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 15:27:56,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:27:56,674 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;@363eb960, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:27:56,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 15:27:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 15:27:56,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:56,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 15:27:56,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:56,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:56,710 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2022-11-25 15:27:56,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:56,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727441436] [2022-11-25 15:27:56,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:56,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:56,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:56,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727441436] [2022-11-25 15:27:56,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727441436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:27:56,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:27:56,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:27:56,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288770033] [2022-11-25 15:27:56,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:27:57,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:27:57,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:57,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:27:57,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:27:57,046 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 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) [2022-11-25 15:27:57,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:57,185 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2022-11-25 15:27:57,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:27:57,188 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 [2022-11-25 15:27:57,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:57,199 INFO L225 Difference]: With dead ends: 76 [2022-11-25 15:27:57,199 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 15:27:57,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:27:57,208 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 22 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:57,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 65 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:27:57,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 15:27:57,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 30. [2022-11-25 15:27:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.6) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-25 15:27:57,254 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 5 [2022-11-25 15:27:57,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:57,254 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-25 15:27:57,255 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) [2022-11-25 15:27:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-25 15:27:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:27:57,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:57,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:27:57,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:27:57,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:57,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:57,258 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2022-11-25 15:27:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:57,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924564134] [2022-11-25 15:27:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:57,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:57,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924564134] [2022-11-25 15:27:57,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924564134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:27:57,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:27:57,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:27:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317172678] [2022-11-25 15:27:57,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:27:57,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:27:57,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:27:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:27:57,336 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:57,379 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2022-11-25 15:27:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:27:57,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-25 15:27:57,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:57,381 INFO L225 Difference]: With dead ends: 41 [2022-11-25 15:27:57,382 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 15:27:57,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:27:57,384 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:57,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 56 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:27:57,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 15:27:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2022-11-25 15:27:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.55) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-25 15:27:57,398 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 6 [2022-11-25 15:27:57,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:57,398 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-25 15:27:57,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-25 15:27:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:27:57,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:57,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:27:57,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:27:57,401 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:57,402 INFO L85 PathProgramCache]: Analyzing trace with hash 889573615, now seen corresponding path program 1 times [2022-11-25 15:27:57,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:57,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977722389] [2022-11-25 15:27:57,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:57,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:57,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:57,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977722389] [2022-11-25 15:27:57,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977722389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:27:57,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:27:57,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:27:57,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455383319] [2022-11-25 15:27:57,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:27:57,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:27:57,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:57,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:27:57,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:27:57,623 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:57,660 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-25 15:27:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:27:57,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-25 15:27:57,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:57,667 INFO L225 Difference]: With dead ends: 29 [2022-11-25 15:27:57,667 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 15:27:57,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:27:57,670 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:57,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:27:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 15:27:57,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 15:27:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.5) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-25 15:27:57,676 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 6 [2022-11-25 15:27:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:57,677 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-25 15:27:57,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-25 15:27:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 15:27:57,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:57,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:57,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:27:57,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:57,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2022-11-25 15:27:57,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:57,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065819795] [2022-11-25 15:27:57,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:57,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:57,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:57,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065819795] [2022-11-25 15:27:57,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065819795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:27:57,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:27:57,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:27:57,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435222823] [2022-11-25 15:27:57,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:27:57,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:27:57,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:57,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:27:57,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:27:57,732 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:57,761 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2022-11-25 15:27:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:27:57,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-25 15:27:57,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:57,763 INFO L225 Difference]: With dead ends: 48 [2022-11-25 15:27:57,763 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 15:27:57,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:27:57,766 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:57,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 42 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:27:57,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 15:27:57,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 31. [2022-11-25 15:27:57,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.434782608695652) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-25 15:27:57,775 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 7 [2022-11-25 15:27:57,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:57,776 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-25 15:27:57,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-25 15:27:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 15:27:57,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:57,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:57,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:27:57,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:57,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1806978355, now seen corresponding path program 1 times [2022-11-25 15:27:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:57,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158256522] [2022-11-25 15:27:57,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:57,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158256522] [2022-11-25 15:27:57,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158256522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:27:57,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:27:57,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:27:57,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658113818] [2022-11-25 15:27:57,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:27:57,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:27:57,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:57,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:27:57,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:27:57,895 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:57,983 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2022-11-25 15:27:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:27:57,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-25 15:27:57,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:57,985 INFO L225 Difference]: With dead ends: 46 [2022-11-25 15:27:57,985 INFO L226 Difference]: Without dead ends: 45 [2022-11-25 15:27:57,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:27:57,987 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:57,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 73 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:27:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-25 15:27:57,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2022-11-25 15:27:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 40 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-11-25 15:27:57,999 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 7 [2022-11-25 15:27:57,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:58,000 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-11-25 15:27:58,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-25 15:27:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 15:27:58,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:58,001 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:58,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:27:58,002 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:58,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:58,003 INFO L85 PathProgramCache]: Analyzing trace with hash 47508593, now seen corresponding path program 1 times [2022-11-25 15:27:58,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:58,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558215644] [2022-11-25 15:27:58,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:58,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:58,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:58,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558215644] [2022-11-25 15:27:58,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558215644] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:27:58,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797766948] [2022-11-25 15:27:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:27:58,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:58,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:27:58,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:27:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:58,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 15:27:58,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:27:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:58,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:27:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:58,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797766948] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:27:58,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:27:58,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-11-25 15:27:58,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436120872] [2022-11-25 15:27:58,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:27:58,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 15:27:58,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:58,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 15:27:58,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-11-25 15:27:58,629 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:59,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:59,325 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2022-11-25 15:27:59,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 15:27:59,325 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-25 15:27:59,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:59,328 INFO L225 Difference]: With dead ends: 107 [2022-11-25 15:27:59,328 INFO L226 Difference]: Without dead ends: 106 [2022-11-25 15:27:59,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=606, Unknown=0, NotChecked=0, Total=812 [2022-11-25 15:27:59,331 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 246 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:59,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 131 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 15:27:59,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-25 15:27:59,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 58. [2022-11-25 15:27:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.48) internal successors, (74), 57 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2022-11-25 15:27:59,348 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 10 [2022-11-25 15:27:59,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:59,349 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-11-25 15:27:59,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.625) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-11-25 15:27:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:27:59,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:59,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:59,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:59,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:27:59,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1313476356, now seen corresponding path program 1 times [2022-11-25 15:27:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:59,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064717901] [2022-11-25 15:27:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:59,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:59,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:59,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064717901] [2022-11-25 15:27:59,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064717901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:27:59,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:27:59,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 15:27:59,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373520522] [2022-11-25 15:27:59,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:27:59,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:27:59,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:27:59,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:27:59,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 15:27:59,764 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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) [2022-11-25 15:27:59,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:27:59,883 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2022-11-25 15:27:59,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 15:27:59,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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 [2022-11-25 15:27:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:27:59,888 INFO L225 Difference]: With dead ends: 67 [2022-11-25 15:27:59,888 INFO L226 Difference]: Without dead ends: 66 [2022-11-25 15:27:59,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 15:27:59,892 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:27:59,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 81 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:27:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-25 15:27:59,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2022-11-25 15:27:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 63 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2022-11-25 15:27:59,912 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 11 [2022-11-25 15:27:59,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:27:59,913 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2022-11-25 15:27:59,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 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) [2022-11-25 15:27:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2022-11-25 15:27:59,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:27:59,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:27:59,914 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 15:27:59,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 15:27:59,915 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:27:59,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:59,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1588880781, now seen corresponding path program 1 times [2022-11-25 15:27:59,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:59,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736263920] [2022-11-25 15:27:59,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:59,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:59,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:27:59,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736263920] [2022-11-25 15:27:59,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736263920] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:27:59,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748735363] [2022-11-25 15:27:59,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:59,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:27:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:59,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:27:59,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:28:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:00,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:28:00,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:00,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:28:00,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748735363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:28:00,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:28:00,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-25 15:28:00,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108989446] [2022-11-25 15:28:00,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:00,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:28:00,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:00,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:28:00,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:28:00,092 INFO L87 Difference]: Start difference. First operand 64 states and 80 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:00,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:00,123 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2022-11-25 15:28:00,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:28:00,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 15:28:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:00,126 INFO L225 Difference]: With dead ends: 68 [2022-11-25 15:28:00,127 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 15:28:00,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:28:00,133 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 38 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:00,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 15:28:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2022-11-25 15:28:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 62 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2022-11-25 15:28:00,158 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 12 [2022-11-25 15:28:00,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:00,159 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2022-11-25 15:28:00,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2022-11-25 15:28:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:28:00,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:00,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:00,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 15:28:00,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:00,368 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:00,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:00,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1588930305, now seen corresponding path program 1 times [2022-11-25 15:28:00,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:00,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522262489] [2022-11-25 15:28:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:00,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:00,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522262489] [2022-11-25 15:28:00,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522262489] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:00,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340395788] [2022-11-25 15:28:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:00,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:00,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:00,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:00,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:28:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:00,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:28:00,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:00,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:00,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340395788] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:00,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 15:28:00,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 3] total 9 [2022-11-25 15:28:00,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722335827] [2022-11-25 15:28:00,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:00,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:28:00,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:00,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:28:00,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:28:00,762 INFO L87 Difference]: Start difference. First operand 63 states and 76 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:00,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:00,791 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2022-11-25 15:28:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:28:00,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 15:28:00,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:00,793 INFO L225 Difference]: With dead ends: 63 [2022-11-25 15:28:00,794 INFO L226 Difference]: Without dead ends: 62 [2022-11-25 15:28:00,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:28:00,797 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:00,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:00,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-25 15:28:00,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2022-11-25 15:28:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 52 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:00,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2022-11-25 15:28:00,827 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 12 [2022-11-25 15:28:00,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:00,827 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2022-11-25 15:28:00,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2022-11-25 15:28:00,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:28:00,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:00,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:00,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:01,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 15:28:01,036 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:01,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:01,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2063061287, now seen corresponding path program 1 times [2022-11-25 15:28:01,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:01,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482575828] [2022-11-25 15:28:01,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:01,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:01,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:01,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:01,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482575828] [2022-11-25 15:28:01,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482575828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:28:01,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:28:01,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:28:01,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161398743] [2022-11-25 15:28:01,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:01,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:28:01,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:01,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:28:01,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:28:01,158 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:01,253 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2022-11-25 15:28:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 15:28:01,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 15:28:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:01,254 INFO L225 Difference]: With dead ends: 67 [2022-11-25 15:28:01,254 INFO L226 Difference]: Without dead ends: 66 [2022-11-25 15:28:01,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:28:01,256 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 19 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:01,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 62 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:28:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-25 15:28:01,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2022-11-25 15:28:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-11-25 15:28:01,268 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 12 [2022-11-25 15:28:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:01,269 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-25 15:28:01,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-25 15:28:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 15:28:01,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:01,270 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-25 15:28:01,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 15:28:01,271 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:01,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:01,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2010663901, now seen corresponding path program 1 times [2022-11-25 15:28:01,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:01,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739579493] [2022-11-25 15:28:01,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:01,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:01,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:01,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739579493] [2022-11-25 15:28:01,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739579493] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:01,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776145620] [2022-11-25 15:28:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:01,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:01,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 15:28:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:01,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:28:01,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:01,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:01,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776145620] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:28:01,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:28:01,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-25 15:28:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667455575] [2022-11-25 15:28:01,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:28:01,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 15:28:01,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:01,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 15:28:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-25 15:28:01,438 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:01,493 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2022-11-25 15:28:01,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:28:01,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-25 15:28:01,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:01,495 INFO L225 Difference]: With dead ends: 108 [2022-11-25 15:28:01,495 INFO L226 Difference]: Without dead ends: 107 [2022-11-25 15:28:01,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-25 15:28:01,497 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 74 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:01,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 110 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:01,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-25 15:28:01,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 62. [2022-11-25 15:28:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 61 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2022-11-25 15:28:01,509 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 13 [2022-11-25 15:28:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:01,510 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2022-11-25 15:28:01,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2022-11-25 15:28:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 15:28:01,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:01,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:01,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:01,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 15:28:01,717 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:01,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:01,718 INFO L85 PathProgramCache]: Analyzing trace with hash 469609630, now seen corresponding path program 1 times [2022-11-25 15:28:01,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:01,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120573279] [2022-11-25 15:28:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:01,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:01,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:01,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120573279] [2022-11-25 15:28:01,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120573279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:28:01,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:28:01,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:28:01,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680010087] [2022-11-25 15:28:01,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:01,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:28:01,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:01,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:28:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:28:01,791 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:01,839 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-25 15:28:01,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:28:01,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-25 15:28:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:01,840 INFO L225 Difference]: With dead ends: 78 [2022-11-25 15:28:01,840 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 15:28:01,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:28:01,842 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 59 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 [2022-11-25 15:28:01,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 59 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:01,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 15:28:01,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2022-11-25 15:28:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.25) internal successors, (85), 73 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2022-11-25 15:28:01,860 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 13 [2022-11-25 15:28:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:01,861 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2022-11-25 15:28:01,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2022-11-25 15:28:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 15:28:01,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:01,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:01,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 15:28:01,865 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:01,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash -565594424, now seen corresponding path program 1 times [2022-11-25 15:28:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:01,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662898473] [2022-11-25 15:28:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:02,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:02,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662898473] [2022-11-25 15:28:02,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662898473] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:02,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380065704] [2022-11-25 15:28:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:02,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:02,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:02,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 15:28:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:02,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 15:28:02,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:02,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:02,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380065704] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:28:02,238 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:28:02,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2022-11-25 15:28:02,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121010109] [2022-11-25 15:28:02,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:28:02,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:28:02,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:02,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:28:02,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:28:02,241 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand has 13 states, 12 states have (on average 3.0) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:02,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:02,586 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2022-11-25 15:28:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 15:28:02,586 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 15:28:02,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:02,587 INFO L225 Difference]: With dead ends: 104 [2022-11-25 15:28:02,587 INFO L226 Difference]: Without dead ends: 103 [2022-11-25 15:28:02,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2022-11-25 15:28:02,588 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 45 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:02,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 159 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:28:02,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-25 15:28:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2022-11-25 15:28:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 91 states have (on average 1.1978021978021978) internal successors, (109), 96 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2022-11-25 15:28:02,607 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 16 [2022-11-25 15:28:02,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:02,607 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2022-11-25 15:28:02,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2022-11-25 15:28:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 15:28:02,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:02,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:02,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:02,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 15:28:02,816 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:02,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash -353557875, now seen corresponding path program 1 times [2022-11-25 15:28:02,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:02,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732665620] [2022-11-25 15:28:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:02,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:02,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732665620] [2022-11-25 15:28:02,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732665620] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:02,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124199174] [2022-11-25 15:28:02,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:02,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:02,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:02,978 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:03,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 15:28:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:03,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 15:28:03,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:03,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:28:03,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124199174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:28:03,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:28:03,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-11-25 15:28:03,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505314924] [2022-11-25 15:28:03,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:03,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:28:03,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:03,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:28:03,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-25 15:28:03,135 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:03,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:03,239 INFO L93 Difference]: Finished difference Result 100 states and 109 transitions. [2022-11-25 15:28:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 15:28:03,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-25 15:28:03,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:03,241 INFO L225 Difference]: With dead ends: 100 [2022-11-25 15:28:03,241 INFO L226 Difference]: Without dead ends: 99 [2022-11-25 15:28:03,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-11-25 15:28:03,242 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 29 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:03,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 92 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-25 15:28:03,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 77. [2022-11-25 15:28:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 76 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 84 transitions. [2022-11-25 15:28:03,259 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 84 transitions. Word has length 17 [2022-11-25 15:28:03,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:03,259 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 84 transitions. [2022-11-25 15:28:03,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2022-11-25 15:28:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 15:28:03,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:03,262 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:03,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:03,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 15:28:03,469 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:03,469 INFO L85 PathProgramCache]: Analyzing trace with hash 428264326, now seen corresponding path program 1 times [2022-11-25 15:28:03,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:03,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807772432] [2022-11-25 15:28:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:03,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:03,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:03,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807772432] [2022-11-25 15:28:03,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807772432] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:03,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939359052] [2022-11-25 15:28:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:03,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:03,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:03,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 15:28:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:03,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 15:28:03,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:03,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:03,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939359052] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:28:03,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:28:03,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2022-11-25 15:28:03,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155458227] [2022-11-25 15:28:03,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:28:03,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-25 15:28:03,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:03,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 15:28:03,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-11-25 15:28:03,960 INFO L87 Difference]: Start difference. First operand 77 states and 84 transitions. Second operand has 19 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 19 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) [2022-11-25 15:28:04,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:04,231 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2022-11-25 15:28:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 15:28:04,232 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 19 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) Word has length 20 [2022-11-25 15:28:04,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:04,233 INFO L225 Difference]: With dead ends: 87 [2022-11-25 15:28:04,233 INFO L226 Difference]: Without dead ends: 86 [2022-11-25 15:28:04,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2022-11-25 15:28:04,234 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 31 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:04,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 120 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:28:04,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-25 15:28:04,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 53. [2022-11-25 15:28:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 52 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2022-11-25 15:28:04,245 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 20 [2022-11-25 15:28:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:04,245 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2022-11-25 15:28:04,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 19 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) [2022-11-25 15:28:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2022-11-25 15:28:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 15:28:04,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:04,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:04,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-25 15:28:04,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 15:28:04,461 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:04,462 INFO L85 PathProgramCache]: Analyzing trace with hash -754840408, now seen corresponding path program 1 times [2022-11-25 15:28:04,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:04,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431310043] [2022-11-25 15:28:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:04,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431310043] [2022-11-25 15:28:04,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431310043] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:04,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303179396] [2022-11-25 15:28:04,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:04,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:04,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:04,540 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:04,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 15:28:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:04,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:28:04,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:04,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:28:04,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303179396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:28:04,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:28:04,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 15:28:04,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904149069] [2022-11-25 15:28:04,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:04,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:28:04,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:04,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:28:04,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:28:04,656 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:04,705 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2022-11-25 15:28:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:28:04,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-11-25 15:28:04,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:04,706 INFO L225 Difference]: With dead ends: 53 [2022-11-25 15:28:04,706 INFO L226 Difference]: Without dead ends: 52 [2022-11-25 15:28:04,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:28:04,708 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 8 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:04,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 68 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-25 15:28:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-25 15:28:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.183673469387755) 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) [2022-11-25 15:28:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-11-25 15:28:04,718 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 22 [2022-11-25 15:28:04,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:04,719 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-11-25 15:28:04,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-11-25 15:28:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 15:28:04,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:04,723 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:04,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:04,929 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:04,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1925216079, now seen corresponding path program 1 times [2022-11-25 15:28:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:04,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551806187] [2022-11-25 15:28:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:04,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:05,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:05,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551806187] [2022-11-25 15:28:05,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551806187] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:05,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438353031] [2022-11-25 15:28:05,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:05,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:05,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:05,027 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:05,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 15:28:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:05,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 15:28:05,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:05,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:05,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438353031] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:28:05,197 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:28:05,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-25 15:28:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888533706] [2022-11-25 15:28:05,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:28:05,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 15:28:05,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 15:28:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-25 15:28:05,200 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:05,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:05,295 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2022-11-25 15:28:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:28:05,296 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-25 15:28:05,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:05,296 INFO L225 Difference]: With dead ends: 80 [2022-11-25 15:28:05,296 INFO L226 Difference]: Without dead ends: 79 [2022-11-25 15:28:05,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-25 15:28:05,298 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 12 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:05,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 98 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:05,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-25 15:28:05,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-25 15:28:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 76 states have (on average 1.118421052631579) internal successors, (85), 78 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-11-25 15:28:05,312 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 23 [2022-11-25 15:28:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:05,313 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-11-25 15:28:05,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-11-25 15:28:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 15:28:05,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:05,314 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1] [2022-11-25 15:28:05,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:05,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 15:28:05,520 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:05,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:05,521 INFO L85 PathProgramCache]: Analyzing trace with hash -765261969, now seen corresponding path program 2 times [2022-11-25 15:28:05,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:05,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213282789] [2022-11-25 15:28:05,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:05,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-25 15:28:05,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:05,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213282789] [2022-11-25 15:28:05,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213282789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:05,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911372359] [2022-11-25 15:28:05,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:28:05,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:05,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:05,560 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:05,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 15:28:05,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 15:28:05,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:28:05,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:28:05,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-25 15:28:05,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-25 15:28:05,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911372359] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:28:05,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:28:05,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-25 15:28:05,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526197247] [2022-11-25 15:28:05,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:28:05,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:28:05,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:05,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:28:05,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:28:05,720 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:05,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:05,792 INFO L93 Difference]: Finished difference Result 126 states and 132 transitions. [2022-11-25 15:28:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:28:05,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-25 15:28:05,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:05,795 INFO L225 Difference]: With dead ends: 126 [2022-11-25 15:28:05,795 INFO L226 Difference]: Without dead ends: 125 [2022-11-25 15:28:05,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:28:05,796 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 88 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:05,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 24 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:05,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-25 15:28:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 78. [2022-11-25 15:28:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.105263157894737) internal successors, (84), 77 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2022-11-25 15:28:05,814 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 28 [2022-11-25 15:28:05,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:05,815 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2022-11-25 15:28:05,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2022-11-25 15:28:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 15:28:05,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:05,818 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 1, 1, 1, 1] [2022-11-25 15:28:05,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:06,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 15:28:06,024 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:06,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:06,025 INFO L85 PathProgramCache]: Analyzing trace with hash -977343119, now seen corresponding path program 2 times [2022-11-25 15:28:06,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:06,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412956974] [2022-11-25 15:28:06,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:06,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:06,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:06,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412956974] [2022-11-25 15:28:06,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412956974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:06,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460955368] [2022-11-25 15:28:06,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:28:06,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:06,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:06,411 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:06,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 15:28:06,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 15:28:06,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:28:06,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 15:28:06,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:06,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:28:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:28:07,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460955368] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:28:07,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 15:28:07,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 47 [2022-11-25 15:28:07,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277096364] [2022-11-25 15:28:07,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 15:28:07,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-25 15:28:07,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:07,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-25 15:28:07,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=1872, Unknown=0, NotChecked=0, Total=2256 [2022-11-25 15:28:07,670 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 48 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 48 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:09,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:09,201 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2022-11-25 15:28:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-25 15:28:09,202 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 48 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-25 15:28:09,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:09,203 INFO L225 Difference]: With dead ends: 119 [2022-11-25 15:28:09,204 INFO L226 Difference]: Without dead ends: 118 [2022-11-25 15:28:09,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1426 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=926, Invalid=4044, Unknown=0, NotChecked=0, Total=4970 [2022-11-25 15:28:09,206 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 321 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:09,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 390 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 15:28:09,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-25 15:28:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 55. [2022-11-25 15:28:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.037037037037037) internal successors, (56), 54 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) [2022-11-25 15:28:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2022-11-25 15:28:09,223 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 30 [2022-11-25 15:28:09,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:09,223 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2022-11-25 15:28:09,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 48 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2022-11-25 15:28:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 15:28:09,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:28:09,225 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:09,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-25 15:28:09,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:09,431 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 15:28:09,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:28:09,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1044394235, now seen corresponding path program 2 times [2022-11-25 15:28:09,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:28:09,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482935778] [2022-11-25 15:28:09,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:28:09,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:28:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:28:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-25 15:28:09,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:28:09,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482935778] [2022-11-25 15:28:09,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482935778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:28:09,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732849613] [2022-11-25 15:28:09,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:28:09,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:09,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:28:09,653 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:28:09,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 15:28:09,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 15:28:09,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:28:09,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:28:09,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:28:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-25 15:28:09,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:28:09,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732849613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:28:09,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:28:09,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2022-11-25 15:28:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365725981] [2022-11-25 15:28:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:28:09,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 15:28:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:28:09,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:28:09,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:28:09,876 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:09,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:28:09,943 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2022-11-25 15:28:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:28:09,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 50 [2022-11-25 15:28:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:28:09,944 INFO L225 Difference]: With dead ends: 55 [2022-11-25 15:28:09,944 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:28:09,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:28:09,945 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:28:09,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 25 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:28:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:28:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:28:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:28:09,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2022-11-25 15:28:09,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:28:09,948 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:28:09,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:28:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:28:09,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:28:09,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 15:28:09,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 15:28:09,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 15:28:09,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 15:28:09,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 15:28:09,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 15:28:09,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 15:28:09,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 15:28:09,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 15:28:09,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 15:28:09,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 15:28:10,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:28:10,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:28:21,165 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2022-11-25 15:28:21,165 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-11-25 15:28:21,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-25 15:28:21,166 INFO L895 garLoopResultBuilder]: At program point L35-4(lines 35 39) the Hoare annotation is: (let ((.cse12 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse11 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse14 (< |ULTIMATE.start_main_~n~0#1| (+ 3 |ULTIMATE.start_main_~i~0#1|)))) (let ((.cse8 (or (< 0 (+ 2147483647 |ULTIMATE.start_main_~k~0#1|)) (not (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|)))) (.cse0 (or (< 0 (+ |ULTIMATE.start_main_#t~post2#1| 2147483646)) .cse14)) (.cse1 (or (< |ULTIMATE.start_main_~n~0#1| (+ 5 |ULTIMATE.start_main_~i~0#1|)) (< 0 (+ 2147483645 |ULTIMATE.start_main_#t~post2#1|)))) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 2147483645)) (.cse3 (let ((.cse13 (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) (or (and .cse12 (<= |ULTIMATE.start_main_~n~0#1| 0) .cse13) (and (or (< 0 (+ 2147483647 |ULTIMATE.start_main_#t~post2#1|)) .cse14) .cse11 .cse13)))) (.cse4 (or (< |ULTIMATE.start_main_~n~0#1| (+ 9 |ULTIMATE.start_main_~i~0#1|)) (< 0 (+ 2147483643 |ULTIMATE.start_main_#t~post2#1|)))) (.cse9 (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648))) (.cse5 (<= |ULTIMATE.start_main_~k~0#1| 999999)) (.cse6 (<= |ULTIMATE.start_main_~n~0#1| 1000000)) (.cse10 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse7 (or (< 0 (+ |ULTIMATE.start_main_#t~post2#1| 2147483644)) (< |ULTIMATE.start_main_~n~0#1| (+ 7 |ULTIMATE.start_main_~i~0#1|))))) (or (and (<= 0 |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~n~0#1| (+ 3 |ULTIMATE.start_main_~k~0#1|)) .cse3 .cse4 .cse9 .cse5 .cse6 .cse10 .cse7 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse8 .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| 4)) .cse4 .cse9 .cse5 .cse6 .cse10 (<= 8 |ULTIMATE.start_main_~i~0#1|) .cse7) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| 1)) .cse5 .cse11 .cse6 .cse10 .cse7) (and .cse8 .cse0 (<= (+ 5 |ULTIMATE.start_main_~n~0#1|) (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|)) .cse1 .cse2 (<= 4 |ULTIMATE.start_main_~k~0#1|) .cse3 .cse4 .cse5 .cse6 .cse10 .cse7) (and .cse8 .cse12 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~k~0#1|) .cse5 .cse6 .cse10) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 (<= |ULTIMATE.start_main_~n~0#1| (+ 2 |ULTIMATE.start_main_~k~0#1|)) .cse5 .cse6 .cse10 .cse7 (<= 4 |ULTIMATE.start_main_~i~0#1|))))) [2022-11-25 15:28:21,167 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2022-11-25 15:28:21,167 INFO L899 garLoopResultBuilder]: For program point L35-5(lines 35 39) no Hoare annotation was computed. [2022-11-25 15:28:21,167 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-11-25 15:28:21,167 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-25 15:28:21,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-25 15:28:21,168 INFO L902 garLoopResultBuilder]: At program point L40(lines 24 41) the Hoare annotation is: true [2022-11-25 15:28:21,168 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-25 15:28:21,168 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:28:21,168 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-25 15:28:21,169 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-25 15:28:21,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-25 15:28:21,171 INFO L895 garLoopResultBuilder]: At program point L30-2(lines 30 33) the Hoare annotation is: (let ((.cse2 (< 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648))) (.cse5 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~i~0#1| 2147483645)) (.cse3 (<= |ULTIMATE.start_main_~k~0#1| 999999)) (.cse6 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~n~0#1| 1000000)) (.cse0 (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1000000) .cse0) (and .cse1 (<= |ULTIMATE.start_main_~n~0#1| (+ 3 |ULTIMATE.start_main_~k~0#1|)) .cse2 .cse3 .cse4 (<= 6 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse1 (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| 4)) .cse2 .cse3 .cse4 (<= 8 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse5 (<= |ULTIMATE.start_main_~i~0#1| 2) (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| 1)) .cse3 .cse6 .cse0) (and .cse5 (< |ULTIMATE.start_main_~i~0#1| 2147483644) (<= |ULTIMATE.start_main_~n~0#1| (+ 2 |ULTIMATE.start_main_~k~0#1|)) .cse3 .cse4 (<= 4 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= (+ 5 |ULTIMATE.start_main_~n~0#1|) (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|)) .cse1 (<= 4 |ULTIMATE.start_main_~k~0#1|) .cse3 .cse6 .cse4 .cse0))) [2022-11-25 15:28:21,171 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 33) no Hoare annotation was computed. [2022-11-25 15:28:21,171 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2022-11-25 15:28:21,171 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: (let ((.cse12 (< |ULTIMATE.start_main_~n~0#1| (+ 3 |ULTIMATE.start_main_~i~0#1|)))) (let ((.cse0 (or (< 0 (+ |ULTIMATE.start_main_#t~post2#1| 2147483646)) .cse12)) (.cse1 (or (< |ULTIMATE.start_main_~n~0#1| (+ 5 |ULTIMATE.start_main_~i~0#1|)) (< 0 (+ 2147483645 |ULTIMATE.start_main_#t~post2#1|)))) (.cse2 (<= |ULTIMATE.start_main_~i~0#1| 2147483645)) (.cse3 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1)) (.cse4 (let ((.cse11 (<= 0 (+ |ULTIMATE.start_main_~n~0#1| 2147483648)))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~n~0#1| 0) .cse11) (and (or (< 0 (+ 2147483647 |ULTIMATE.start_main_#t~post2#1|)) .cse12) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse11)))) (.cse5 (or (< |ULTIMATE.start_main_~n~0#1| (+ 9 |ULTIMATE.start_main_~i~0#1|)) (< 0 (+ 2147483643 |ULTIMATE.start_main_#t~post2#1|)))) (.cse6 (<= |ULTIMATE.start_main_~k~0#1| 999999)) (.cse7 (< 0 |ULTIMATE.start_main_~k~0#1|)) (.cse8 (<= |ULTIMATE.start_main_~n~0#1| 1000000)) (.cse10 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse9 (or (< 0 (+ |ULTIMATE.start_main_#t~post2#1| 2147483644)) (< |ULTIMATE.start_main_~n~0#1| (+ 7 |ULTIMATE.start_main_~i~0#1|))))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse4 .cse5 .cse6 .cse7 (<= |ULTIMATE.start_main_~j~0#1| 2147483646) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~n~0#1| (+ 3 |ULTIMATE.start_main_~k~0#1|)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse9 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| 1)) .cse6 .cse7 .cse8 .cse10 .cse9) (and .cse0 (<= (+ 5 |ULTIMATE.start_main_~n~0#1|) (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|)) .cse1 .cse2 (<= 4 |ULTIMATE.start_main_~k~0#1|) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_main_~n~0#1| (+ 2 |ULTIMATE.start_main_~k~0#1|)) .cse6 .cse7 .cse8 .cse10 .cse9 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~k~0#1| 4)) .cse5 .cse6 .cse7 .cse8 .cse10 (<= 8 |ULTIMATE.start_main_~i~0#1|) .cse9)))) [2022-11-25 15:28:21,172 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-25 15:28:21,172 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2022-11-25 15:28:21,175 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:28:21,177 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:28:21,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:28:21 BoogieIcfgContainer [2022-11-25 15:28:21,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:28:21,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:28:21,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:28:21,218 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:28:21,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:56" (3/4) ... [2022-11-25 15:28:21,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:28:21,234 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 15:28:21,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 15:28:21,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:28:21,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:28:21,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:28:21,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:28:21,291 INFO L158 Benchmark]: Toolchain (without parser) took 25598.42ms. Allocated memory was 167.8MB in the beginning and 314.6MB in the end (delta: 146.8MB). Free memory was 122.0MB in the beginning and 122.1MB in the end (delta: -85.2kB). Peak memory consumption was 148.5MB. Max. memory is 16.1GB. [2022-11-25 15:28:21,292 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:28:21,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.64ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 111.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:28:21,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.89ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:28:21,299 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 905.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:28:21,299 INFO L158 Benchmark]: RCFGBuilder took 390.46ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 98.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:28:21,300 INFO L158 Benchmark]: TraceAbstraction took 24727.06ms. Allocated memory was 167.8MB in the beginning and 314.6MB in the end (delta: 146.8MB). Free memory was 97.5MB in the beginning and 125.2MB in the end (delta: -27.8MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. [2022-11-25 15:28:21,300 INFO L158 Benchmark]: Witness Printer took 72.60ms. Allocated memory is still 314.6MB. Free memory was 125.2MB in the beginning and 122.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:28:21,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.64ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 111.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.89ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.31ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 905.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.46ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 98.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 24727.06ms. Allocated memory was 167.8MB in the beginning and 314.6MB in the end (delta: 146.8MB). Free memory was 97.5MB in the beginning and 125.2MB in the end (delta: -27.8MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. * Witness Printer took 72.60ms. Allocated memory is still 314.6MB. Free memory was 125.2MB in the beginning and 122.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: 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, 33 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1085 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1085 mSDsluCounter, 1750 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1327 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1879 IncrementalHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 423 mSDtfsCounter, 1879 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 560 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1826 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=13, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 329 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 16 NumberOfFragments, 1490 HoareAnnotationTreeSize, 4 FomulaSimplifications, 42066 FormulaSimplificationTreeSizeReduction, 8.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 90546 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 573 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 2708 SizeOfPredicates, 33 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 40 InterpolantComputations, 13 PerfectInterpolantSequences, 333/608 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 10 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((i == 0 && k <= n) && n <= k) && k <= 1000000) && 0 <= n + 2147483648) || ((((((i <= 2147483645 && n <= 3 + k) && 0 < k + 2147483648) && k <= 999999) && n <= 1000000) && 6 <= i) && 0 <= n + 2147483648)) || ((((((i <= 2147483645 && n <= k + 4) && 0 < k + 2147483648) && k <= 999999) && n <= 1000000) && 8 <= i) && 0 <= n + 2147483648)) || (((((0 <= k && i <= 2) && n <= k + 1) && k <= 999999) && 2 <= i) && 0 <= n + 2147483648)) || ((((((0 <= k && i < 2147483644) && n <= 2 + k) && k <= 999999) && n <= 1000000) && 4 <= i) && 0 <= n + 2147483648)) || ((((((5 + n <= i + k && i <= 2147483645) && 4 <= k) && k <= 999999) && 2 <= i) && n <= 1000000) && 0 <= n + 2147483648) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((((((((0 < aux-k---aux + 2147483646 || n < 3 + i) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && cond == 1) && 1 <= j) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && k <= 999999) && 0 < k) && j <= 2147483646) && n <= 1000000) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) || (((((((((((((0 < aux-k---aux + 2147483646 || n < 3 + i) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && cond == 1) && n <= 3 + k) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && k <= 999999) && 0 < k) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) && 6 <= i)) || ((((((((((((0 < aux-k---aux + 2147483646 || n < 3 + i) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && cond == 1) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && n <= k + 1) && k <= 999999) && 0 < k) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i))) || (((((((((((((0 < aux-k---aux + 2147483646 || n < 3 + i) && 5 + n <= i + k) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && 4 <= k) && cond == 1) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && k <= 999999) && 0 < k) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i))) || (((((((((((((0 < aux-k---aux + 2147483646 || n < 3 + i) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && cond == 1) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && n <= 2 + k) && k <= 999999) && 0 < k) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) && 4 <= i)) || (((((((((((((0 < aux-k---aux + 2147483646 || n < 3 + i) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && cond == 1) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && n <= k + 4) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && k <= 999999) && 0 < k) && n <= 1000000) && j == 0) && 8 <= i) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((((((((((0 <= k && (0 < aux-k---aux + 2147483646 || n < 3 + i)) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && 1 <= j) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && k <= 999999) && n <= 1000000) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) || (((((((((((((0 < 2147483647 + k || !(i < n)) && (0 < aux-k---aux + 2147483646 || n < 3 + i)) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && n <= 3 + k) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && 0 < k + 2147483648) && k <= 999999) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) && 6 <= i)) || (((((((((((((0 < 2147483647 + k || !(i < n)) && (0 < aux-k---aux + 2147483646 || n < 3 + i)) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && n <= k + 4) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && 0 < k + 2147483648) && k <= 999999) && n <= 1000000) && j == 0) && 8 <= i) && (0 < aux-k---aux + 2147483644 || n < 7 + i))) || (((((((((((((0 < 2147483647 + k || !(i < n)) && (0 < aux-k---aux + 2147483646 || n < 3 + i)) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && 0 < k + 2147483648) && n <= k + 1) && k <= 999999) && 2 <= i) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i))) || ((((((((((((0 < 2147483647 + k || !(i < n)) && (0 < aux-k---aux + 2147483646 || n < 3 + i)) && 5 + n <= i + k) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && 4 <= k) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && k <= 999999) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i))) || ((((((((0 < 2147483647 + k || !(i < n)) && i == 0) && i <= 2147483645) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && n <= k) && k <= 999999) && n <= 1000000) && j == 0)) || (((((((((((((0 < 2147483647 + k || !(i < n)) && (0 < aux-k---aux + 2147483646 || n < 3 + i)) && (n < 5 + i || 0 < 2147483645 + aux-k---aux)) && i <= 2147483645) && (((i == 0 && n <= 0) && 0 <= n + 2147483648) || (((0 < 2147483647 + aux-k---aux || n < 3 + i) && 2 <= i) && 0 <= n + 2147483648))) && (n < 9 + i || 0 < 2147483643 + aux-k---aux)) && 0 < k + 2147483648) && n <= 2 + k) && k <= 999999) && n <= 1000000) && j == 0) && (0 < aux-k---aux + 2147483644 || n < 7 + i)) && 4 <= i) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 15:28:21,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b2b282-a0bd-4892-b12d-7c35f1788cb1/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE