./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init6_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init6_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS --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 ff138f81519ab5ff475befdf624922816837c8f1983c223aa78c0525de509876 --- 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-4e7fbc6 [2022-11-23 04:12:01,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:12:01,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:12:01,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:12:01,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:12:01,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:12:01,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:12:01,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:12:01,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:12:01,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:12:01,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:12:01,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:12:01,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:12:01,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:12:01,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:12:01,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:12:01,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:12:01,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:12:01,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:12:01,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:12:01,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:12:01,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:12:01,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:12:01,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:12:01,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:12:01,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:12:01,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:12:01,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:12:01,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:12:01,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:12:01,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:12:01,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:12:01,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:12:01,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:12:01,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:12:01,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:12:01,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:12:01,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:12:01,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:12:01,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:12:01,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:12:01,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 04:12:01,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:12:01,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:12:01,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:12:01,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:12:01,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:12:01,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:12:01,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:12:01,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:12:01,632 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:12:01,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:12:01,632 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 04:12:01,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 04:12:01,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:12:01,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 04:12:01,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:12:01,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:12:01,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:12:01,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:12:01,634 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 04:12:01,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 04:12:01,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:12:01,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:12:01,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:12:01,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:12:01,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:12:01,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:12:01,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:12:01,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:12:01,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:12:01,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:12:01,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:12:01,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:12:01,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:12:01,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:12:01,637 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:12:01,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:12:01,637 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_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff138f81519ab5ff475befdf624922816837c8f1983c223aa78c0525de509876 [2022-11-23 04:12:01,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:12:01,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:12:01,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:12:01,909 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:12:01,910 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:12:01,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/array-examples/standard_init6_ground-1.i [2022-11-23 04:12:05,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:12:05,435 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:12:05,436 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/sv-benchmarks/c/array-examples/standard_init6_ground-1.i [2022-11-23 04:12:05,443 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/data/f5a203bef/a31526f72aa44bc0b91124dd24cc7ddd/FLAG080cfe6a4 [2022-11-23 04:12:05,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/data/f5a203bef/a31526f72aa44bc0b91124dd24cc7ddd [2022-11-23 04:12:05,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:12:05,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:12:05,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:12:05,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:12:05,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:12:05,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611a8aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05, skipping insertion in model container [2022-11-23 04:12:05,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:12:05,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:12:05,629 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_d77b94bb-107c-4ffc-b24c-9193a033645d/sv-benchmarks/c/array-examples/standard_init6_ground-1.i[816,829] [2022-11-23 04:12:05,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:12:05,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:12:05,667 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_d77b94bb-107c-4ffc-b24c-9193a033645d/sv-benchmarks/c/array-examples/standard_init6_ground-1.i[816,829] [2022-11-23 04:12:05,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:12:05,690 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:12:05,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05 WrapperNode [2022-11-23 04:12:05,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:12:05,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:12:05,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:12:05,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:12:05,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,726 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-23 04:12:05,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:12:05,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:12:05,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:12:05,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:12:05,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:12:05,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:12:05,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:12:05,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:12:05,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (1/1) ... [2022-11-23 04:12:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:12:05,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:05,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:12:05,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:12:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:12:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:12:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:12:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:12:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:12:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:12:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:12:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:12:05,904 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:12:05,906 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:12:06,099 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:12:06,127 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:12:06,127 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-23 04:12:06,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:06 BoogieIcfgContainer [2022-11-23 04:12:06,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:12:06,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:12:06,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:12:06,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:12:06,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:12:05" (1/3) ... [2022-11-23 04:12:06,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad26781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:06, skipping insertion in model container [2022-11-23 04:12:06,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:05" (2/3) ... [2022-11-23 04:12:06,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad26781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:06, skipping insertion in model container [2022-11-23 04:12:06,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:06" (3/3) ... [2022-11-23 04:12:06,139 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init6_ground-1.i [2022-11-23 04:12:06,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:12:06,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-23 04:12:06,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:12:06,217 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;@5fdb7483, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:12:06,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-23 04:12:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.8055555555555556) internal successors, (65), 50 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:06,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 04:12:06,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:06,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 04:12:06,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:06,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:06,236 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-23 04:12:06,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:06,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842954513] [2022-11-23 04:12:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:06,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:12:06,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:06,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842954513] [2022-11-23 04:12:06,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842954513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:06,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:12:06,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:12:06,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137588246] [2022-11-23 04:12:06,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:06,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:12:06,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:06,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:12:06,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:12:06,522 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.8055555555555556) internal successors, (65), 50 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:06,764 INFO L93 Difference]: Finished difference Result 115 states and 163 transitions. [2022-11-23 04:12:06,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:12:06,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-23 04:12:06,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:06,787 INFO L225 Difference]: With dead ends: 115 [2022-11-23 04:12:06,787 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 04:12:06,790 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 [2022-11-23 04:12:06,794 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 11 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:06,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 54 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 04:12:06,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 04:12:06,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-23 04:12:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 63 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2022-11-23 04:12:06,834 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 4 [2022-11-23 04:12:06,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:06,835 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2022-11-23 04:12:06,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2022-11-23 04:12:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 04:12:06,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:06,836 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-23 04:12:06,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:12:06,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:06,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:06,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629419, now seen corresponding path program 1 times [2022-11-23 04:12:06,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:06,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154071425] [2022-11-23 04:12:06,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:12:06,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:06,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154071425] [2022-11-23 04:12:06,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154071425] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:06,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183082501] [2022-11-23 04:12:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:06,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:07,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:07,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 04:12:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:07,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 04:12:07,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:12:07,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:12:07,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183082501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:07,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:12:07,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-23 04:12:07,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742240079] [2022-11-23 04:12:07,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:07,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:12:07,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:07,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:12:07,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:12:07,180 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:07,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:07,292 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2022-11-23 04:12:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:12:07,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 04:12:07,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:07,294 INFO L225 Difference]: With dead ends: 64 [2022-11-23 04:12:07,295 INFO L226 Difference]: Without dead ends: 58 [2022-11-23 04:12:07,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:12:07,297 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 63 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:07,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 17 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 04:12:07,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-23 04:12:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-23 04:12:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.28) internal successors, (64), 57 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2022-11-23 04:12:07,307 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 7 [2022-11-23 04:12:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:07,308 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2022-11-23 04:12:07,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2022-11-23 04:12:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 04:12:07,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:07,309 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-11-23 04:12:07,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 04:12:07,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:07,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:07,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:07,516 INFO L85 PathProgramCache]: Analyzing trace with hash 294937186, now seen corresponding path program 1 times [2022-11-23 04:12:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:07,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066313569] [2022-11-23 04:12:07,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 04:12:07,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:07,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066313569] [2022-11-23 04:12:07,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066313569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:07,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:12:07,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:12:07,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050401230] [2022-11-23 04:12:07,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:07,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:12:07,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:07,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:12:07,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:12:07,594 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:07,682 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2022-11-23 04:12:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:12:07,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 04:12:07,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:07,685 INFO L225 Difference]: With dead ends: 58 [2022-11-23 04:12:07,686 INFO L226 Difference]: Without dead ends: 52 [2022-11-23 04:12:07,687 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 [2022-11-23 04:12:07,688 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:07,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:12:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-23 04:12:07,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2022-11-23 04:12:07,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:07,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-11-23 04:12:07,715 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 8 [2022-11-23 04:12:07,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:07,716 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-11-23 04:12:07,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-23 04:12:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 04:12:07,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:07,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:12:07,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:12:07,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:07,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:07,721 INFO L85 PathProgramCache]: Analyzing trace with hash -710773539, now seen corresponding path program 1 times [2022-11-23 04:12:07,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:07,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587989319] [2022-11-23 04:12:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:07,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 04:12:07,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:07,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587989319] [2022-11-23 04:12:07,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587989319] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:07,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840436714] [2022-11-23 04:12:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:07,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:07,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:07,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:07,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 04:12:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:07,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 04:12:07,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 04:12:07,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 04:12:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 04:12:08,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840436714] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 04:12:08,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 04:12:08,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-23 04:12:08,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486949589] [2022-11-23 04:12:08,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 04:12:08,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 04:12:08,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:08,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 04:12:08,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-23 04:12:08,019 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:08,243 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2022-11-23 04:12:08,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 04:12:08,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-23 04:12:08,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:08,244 INFO L225 Difference]: With dead ends: 128 [2022-11-23 04:12:08,244 INFO L226 Difference]: Without dead ends: 94 [2022-11-23 04:12:08,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-23 04:12:08,246 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 58 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:08,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 52 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 04:12:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-23 04:12:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-23 04:12:08,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 92 states have (on average 1.0869565217391304) internal successors, (100), 93 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2022-11-23 04:12:08,257 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 37 [2022-11-23 04:12:08,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:08,257 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2022-11-23 04:12:08,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2022-11-23 04:12:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-23 04:12:08,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:08,260 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:12:08,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 04:12:08,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:08,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1765927732, now seen corresponding path program 2 times [2022-11-23 04:12:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:08,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838677376] [2022-11-23 04:12:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-23 04:12:08,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:08,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838677376] [2022-11-23 04:12:08,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838677376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:08,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:12:08,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:12:08,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279869704] [2022-11-23 04:12:08,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:08,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:12:08,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:08,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:12:08,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:12:08,801 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:08,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:08,830 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2022-11-23 04:12:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:12:08,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 91 [2022-11-23 04:12:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:08,832 INFO L225 Difference]: With dead ends: 102 [2022-11-23 04:12:08,832 INFO L226 Difference]: Without dead ends: 100 [2022-11-23 04:12:08,832 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 [2022-11-23 04:12:08,833 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 104 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 [2022-11-23 04:12:08,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 104 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:12:08,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-23 04:12:08,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-23 04:12:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 98 states have (on average 1.0816326530612246) internal successors, (106), 99 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2022-11-23 04:12:08,844 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 91 [2022-11-23 04:12:08,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:08,844 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2022-11-23 04:12:08,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2022-11-23 04:12:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-23 04:12:08,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:08,847 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:12:08,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 04:12:08,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:08,848 INFO L85 PathProgramCache]: Analyzing trace with hash -542532471, now seen corresponding path program 1 times [2022-11-23 04:12:08,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:08,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927998923] [2022-11-23 04:12:08,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:08,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-23 04:12:09,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:09,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927998923] [2022-11-23 04:12:09,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927998923] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:09,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703423759] [2022-11-23 04:12:09,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:09,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:09,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:09,119 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:09,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 04:12:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:09,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 04:12:09,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-23 04:12:09,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 04:12:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-23 04:12:09,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703423759] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 04:12:09,370 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 04:12:09,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-23 04:12:09,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467325925] [2022-11-23 04:12:09,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 04:12:09,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 04:12:09,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:09,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 04:12:09,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-23 04:12:09,372 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:09,782 INFO L93 Difference]: Finished difference Result 293 states and 340 transitions. [2022-11-23 04:12:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 04:12:09,784 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-11-23 04:12:09,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:09,788 INFO L225 Difference]: With dead ends: 293 [2022-11-23 04:12:09,789 INFO L226 Difference]: Without dead ends: 208 [2022-11-23 04:12:09,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-23 04:12:09,792 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 380 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:09,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 32 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 04:12:09,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-23 04:12:09,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2022-11-23 04:12:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 206 states have (on average 1.0388349514563107) internal successors, (214), 207 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 214 transitions. [2022-11-23 04:12:09,826 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 214 transitions. Word has length 97 [2022-11-23 04:12:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:09,828 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 214 transitions. [2022-11-23 04:12:09,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 214 transitions. [2022-11-23 04:12:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-23 04:12:09,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:09,838 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:12:09,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 04:12:10,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:10,046 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:10,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash -316011543, now seen corresponding path program 2 times [2022-11-23 04:12:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:10,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247894529] [2022-11-23 04:12:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-23 04:12:10,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:10,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247894529] [2022-11-23 04:12:10,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247894529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:10,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971233742] [2022-11-23 04:12:10,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 04:12:10,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:10,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:10,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 04:12:10,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 04:12:10,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 04:12:10,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 04:12:10,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-23 04:12:10,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 04:12:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2022-11-23 04:12:11,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971233742] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 04:12:11,288 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 04:12:11,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-11-23 04:12:11,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842548171] [2022-11-23 04:12:11,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 04:12:11,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 04:12:11,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:11,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 04:12:11,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-23 04:12:11,295 INFO L87 Difference]: Start difference. First operand 208 states and 214 transitions. Second operand has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:12,099 INFO L93 Difference]: Finished difference Result 599 states and 682 transitions. [2022-11-23 04:12:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-23 04:12:12,099 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 0 states have call successors, (0), 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 205 [2022-11-23 04:12:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:12,107 INFO L225 Difference]: With dead ends: 599 [2022-11-23 04:12:12,107 INFO L226 Difference]: Without dead ends: 424 [2022-11-23 04:12:12,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-11-23 04:12:12,112 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 506 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:12,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 92 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 04:12:12,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2022-11-23 04:12:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2022-11-23 04:12:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 422 states have (on average 1.018957345971564) internal successors, (430), 423 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 430 transitions. [2022-11-23 04:12:12,173 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 430 transitions. Word has length 205 [2022-11-23 04:12:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:12,173 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 430 transitions. [2022-11-23 04:12:12,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.08) internal successors, (102), 25 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 430 transitions. [2022-11-23 04:12:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-23 04:12:12,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:12,183 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:12:12,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 04:12:12,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:12,389 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:12,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:12,390 INFO L85 PathProgramCache]: Analyzing trace with hash 430707369, now seen corresponding path program 3 times [2022-11-23 04:12:12,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:12,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488414698] [2022-11-23 04:12:12,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:12,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 3580 trivial. 0 not checked. [2022-11-23 04:12:14,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:14,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488414698] [2022-11-23 04:12:14,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488414698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 04:12:14,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910157234] [2022-11-23 04:12:14,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 04:12:14,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:14,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:12:14,630 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 04:12:14,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 04:12:14,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 04:12:14,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 04:12:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 04:12:14,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 04:12:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4290 trivial. 0 not checked. [2022-11-23 04:12:14,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 04:12:14,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910157234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:14,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 04:12:14,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [25] total 28 [2022-11-23 04:12:14,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531283667] [2022-11-23 04:12:14,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:14,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:12:14,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:14,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:12:14,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2022-11-23 04:12:14,967 INFO L87 Difference]: Start difference. First operand 424 states and 430 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:15,012 INFO L93 Difference]: Finished difference Result 424 states and 430 transitions. [2022-11-23 04:12:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:12:15,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 421 [2022-11-23 04:12:15,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:15,016 INFO L225 Difference]: With dead ends: 424 [2022-11-23 04:12:15,016 INFO L226 Difference]: Without dead ends: 423 [2022-11-23 04:12:15,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=312, Invalid=500, Unknown=0, NotChecked=0, Total=812 [2022-11-23 04:12:15,019 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:15,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 97 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:12:15,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-11-23 04:12:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2022-11-23 04:12:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.0165876777251184) internal successors, (429), 422 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 429 transitions. [2022-11-23 04:12:15,039 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 429 transitions. Word has length 421 [2022-11-23 04:12:15,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:15,041 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 429 transitions. [2022-11-23 04:12:15,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 429 transitions. [2022-11-23 04:12:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-11-23 04:12:15,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:12:15,049 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:12:15,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 04:12:15,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 04:12:15,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-23 04:12:15,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:12:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 467026708, now seen corresponding path program 1 times [2022-11-23 04:12:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:12:15,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274633837] [2022-11-23 04:12:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:12:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:12:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:12:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4296 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4291 trivial. 0 not checked. [2022-11-23 04:12:15,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:12:15,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274633837] [2022-11-23 04:12:15,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274633837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:12:15,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:12:15,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:12:15,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990620872] [2022-11-23 04:12:15,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:12:15,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:12:15,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:12:15,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:12:15,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:12:15,712 INFO L87 Difference]: Start difference. First operand 423 states and 429 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 04:12:15,739 INFO L93 Difference]: Finished difference Result 423 states and 429 transitions. [2022-11-23 04:12:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:12:15,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 422 [2022-11-23 04:12:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 04:12:15,741 INFO L225 Difference]: With dead ends: 423 [2022-11-23 04:12:15,741 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 04:12:15,742 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 [2022-11-23 04:12:15,744 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 04:12:15,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 97 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 04:12:15,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 04:12:15,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 04:12:15,746 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) [2022-11-23 04:12:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 04:12:15,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 422 [2022-11-23 04:12:15,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 04:12:15,747 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 04:12:15,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:12:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 04:12:15,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 04:12:15,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-11-23 04:12:15,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-11-23 04:12:15,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-11-23 04:12:15,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-11-23 04:12:15,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-11-23 04:12:15,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-11-23 04:12:15,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-11-23 04:12:15,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-11-23 04:12:15,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-11-23 04:12:15,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-11-23 04:12:15,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-11-23 04:12:15,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-11-23 04:12:15,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-11-23 04:12:15,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-11-23 04:12:15,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 04:12:15,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 04:12:15,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-23 04:12:15,878 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 04:12:15,878 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 30) no Hoare annotation was computed. [2022-11-23 04:12:15,879 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-23 04:12:15,879 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-23 04:12:15,879 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-23 04:12:15,879 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-11-23 04:12:15,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-23 04:12:15,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-23 04:12:15,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 04:12:15,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 04:12:15,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-23 04:12:15,881 INFO L895 garLoopResultBuilder]: At program point L37-2(lines 37 40) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point L37-3(lines 37 40) no Hoare annotation was computed. [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-23 04:12:15,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-23 04:12:15,883 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-11-23 04:12:15,883 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 04:12:15,883 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 25) no Hoare annotation was computed. [2022-11-23 04:12:15,883 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 49) no Hoare annotation was computed. [2022-11-23 04:12:15,883 INFO L899 garLoopResultBuilder]: For program point L47-3(line 47) no Hoare annotation was computed. [2022-11-23 04:12:15,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-23 04:12:15,883 INFO L899 garLoopResultBuilder]: For program point L47-4(line 47) no Hoare annotation was computed. [2022-11-23 04:12:15,884 INFO L895 garLoopResultBuilder]: At program point L47-5(lines 47 49) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2022-11-23 04:12:15,884 INFO L899 garLoopResultBuilder]: For program point L47-6(lines 47 49) no Hoare annotation was computed. [2022-11-23 04:12:15,884 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-23 04:12:15,884 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-11-23 04:12:15,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-23 04:12:15,885 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 04:12:15,885 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 35) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 04:12:15,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-23 04:12:15,885 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 35) no Hoare annotation was computed. [2022-11-23 04:12:15,885 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-23 04:12:15,885 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-23 04:12:15,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-11-23 04:12:15,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 04:12:15,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-23 04:12:15,886 INFO L902 garLoopResultBuilder]: At program point L50(lines 14 51) the Hoare annotation is: true [2022-11-23 04:12:15,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-11-23 04:12:15,887 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 20) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 04:12:15,887 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 20) no Hoare annotation was computed. [2022-11-23 04:12:15,887 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 45) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 04:12:15,887 INFO L899 garLoopResultBuilder]: For program point L42-3(lines 42 45) no Hoare annotation was computed. [2022-11-23 04:12:15,887 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-23 04:12:15,887 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-11-23 04:12:15,887 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-23 04:12:15,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-23 04:12:15,892 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-11-23 04:12:15,895 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 04:12:15,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:12:15 BoogieIcfgContainer [2022-11-23 04:12:15,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 04:12:15,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 04:12:15,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 04:12:15,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 04:12:15,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:06" (3/4) ... [2022-11-23 04:12:15,918 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 04:12:15,929 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 04:12:15,930 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 04:12:15,930 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 04:12:15,930 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 04:12:15,976 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 04:12:15,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 04:12:15,976 INFO L158 Benchmark]: Toolchain (without parser) took 10515.01ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 150.1MB in the beginning and 171.0MB in the end (delta: -21.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-11-23 04:12:15,977 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:12:15,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.42ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 139.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 04:12:15,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:12:15,978 INFO L158 Benchmark]: Boogie Preprocessor took 25.77ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 136.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:12:15,979 INFO L158 Benchmark]: RCFGBuilder took 376.63ms. Allocated memory is still 184.5MB. Free memory was 136.3MB in the beginning and 123.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 04:12:15,979 INFO L158 Benchmark]: TraceAbstraction took 9779.44ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 123.4MB in the beginning and 174.2MB in the end (delta: -50.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-23 04:12:15,980 INFO L158 Benchmark]: Witness Printer took 63.70ms. Allocated memory is still 268.4MB. Free memory was 174.2MB in the beginning and 171.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:12:15,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.42ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 139.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 184.5MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.77ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 136.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.63ms. Allocated memory is still 184.5MB. Free memory was 136.3MB in the beginning and 123.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9779.44ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 123.4MB in the beginning and 174.2MB in the end (delta: -50.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 63.70ms. Allocated memory is still 268.4MB. Free memory was 174.2MB in the beginning and 171.0MB 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: 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, 51 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1039 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1039 mSDsluCounter, 577 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 330 mSDsCounter, 632 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 969 IncrementalHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 632 mSolverCounterUnsat, 247 mSDtfsCounter, 969 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1164 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=424occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 148 NumberOfFragments, 52 HoareAnnotationTreeSize, 8 FomulaSimplifications, 1058 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2059 NumberOfCodeBlocks, 1681 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2381 ConstructedInterpolants, 0 QuantifiedInterpolants, 2875 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1219 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 14858/16079 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 14 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 <= i && 0 <= x + 2147483648 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i RESULT: Ultimate proved your program to be correct! [2022-11-23 04:12:16,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77b94bb-107c-4ffc-b24c-9193a033645d/bin/uautomizer-QkZJyEgLgS/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