./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/nr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 3219130777e42bfc39497c312a66c6d1b1af231a6df358861eaa545434d20cb1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:12,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:12,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:12:12,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:12,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:12,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:12,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:12,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:12,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:12,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:12,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:12,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:12,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:12,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:12,139 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:12,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:12,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:12,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:12:12,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:12,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:12:12,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:12,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:12,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:12,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:12,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:12,150 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:12:12,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:12,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:12:12,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:12,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:12,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:12,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:12,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:12,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:12,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:12,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:12,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:12,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:12,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:12,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:12,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:12,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:12,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:12,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:12,158 INFO L153 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_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3219130777e42bfc39497c312a66c6d1b1af231a6df358861eaa545434d20cb1 [2024-10-31 22:12:12,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:12,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:12,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:12,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:12,521 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:12,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/array-tiling/nr4.c Unable to find full path for "g++" [2024-10-31 22:12:14,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:14,936 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:14,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/sv-benchmarks/c/array-tiling/nr4.c [2024-10-31 22:12:14,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/data/9d52f4a51/5c54e178d3b34674877f6a3b263defb4/FLAG6aef3e968 [2024-10-31 22:12:15,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/data/9d52f4a51/5c54e178d3b34674877f6a3b263defb4 [2024-10-31 22:12:15,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:15,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:15,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:15,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:15,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:15,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfb9f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15, skipping insertion in model container [2024-10-31 22:12:15,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:15,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:15,616 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:15,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:15,655 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:15,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15 WrapperNode [2024-10-31 22:12:15,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:15,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:15,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:15,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:15,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,698 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-10-31 22:12:15,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:15,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:15,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:15,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:15,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,730 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 6, 4]. 50 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0]. The 2 writes are split as follows [0, 0, 2]. [2024-10-31 22:12:15,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:15,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:15,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:15,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:15,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (1/1) ... [2024-10-31 22:12:15,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:15,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:15,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:15,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:12:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:12:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:12:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:12:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:15,947 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:15,949 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:16,203 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:16,204 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:16,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:16,231 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:12:16,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:16 BoogieIcfgContainer [2024-10-31 22:12:16,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:16,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:16,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:16,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:16,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:15" (1/3) ... [2024-10-31 22:12:16,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b2f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:16, skipping insertion in model container [2024-10-31 22:12:16,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:15" (2/3) ... [2024-10-31 22:12:16,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b2f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:16, skipping insertion in model container [2024-10-31 22:12:16,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:16" (3/3) ... [2024-10-31 22:12:16,245 INFO L112 eAbstractionObserver]: Analyzing ICFG nr4.c [2024-10-31 22:12:16,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:16,265 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-31 22:12:16,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:16,337 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5015fa94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:16,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-31 22:12:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 40 states have (on average 1.7) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:12:16,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:16,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:16,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:16,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2024-10-31 22:12:16,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:16,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720482462] [2024-10-31 22:12:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:16,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:16,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720482462] [2024-10-31 22:12:16,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720482462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:16,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:16,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:16,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605516855] [2024-10-31 22:12:16,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:16,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:12:16,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:16,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:12:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:12:16,562 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.7) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:16,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:16,591 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2024-10-31 22:12:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:12:16,595 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:12:16,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:16,604 INFO L225 Difference]: With dead ends: 108 [2024-10-31 22:12:16,604 INFO L226 Difference]: Without dead ends: 50 [2024-10-31 22:12:16,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:12:16,611 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:16,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:16,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-31 22:12:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-31 22:12:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.588235294117647) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-10-31 22:12:16,650 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 7 [2024-10-31 22:12:16,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:16,651 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-31 22:12:16,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-10-31 22:12:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:12:16,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:16,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:16,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:12:16,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:16,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:16,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2024-10-31 22:12:16,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:16,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380750874] [2024-10-31 22:12:16,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:16,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:17,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:17,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380750874] [2024-10-31 22:12:17,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380750874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:17,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:17,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:17,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724916802] [2024-10-31 22:12:17,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:17,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:17,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:17,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:17,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:17,110 INFO L87 Difference]: Start difference. First operand 50 states and 54 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) [2024-10-31 22:12:17,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:17,150 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-10-31 22:12:17,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:17,151 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 [2024-10-31 22:12:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:17,152 INFO L225 Difference]: With dead ends: 50 [2024-10-31 22:12:17,152 INFO L226 Difference]: Without dead ends: 49 [2024-10-31 22:12:17,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:17,154 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:17,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 46 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-31 22:12:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-31 22:12:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 48 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2024-10-31 22:12:17,162 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 7 [2024-10-31 22:12:17,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:17,163 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2024-10-31 22:12:17,163 INFO L472 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) [2024-10-31 22:12:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-10-31 22:12:17,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:12:17,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:17,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:17,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:12:17,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:17,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:17,166 INFO L85 PathProgramCache]: Analyzing trace with hash 120397771, now seen corresponding path program 1 times [2024-10-31 22:12:17,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:17,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805668749] [2024-10-31 22:12:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:17,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:17,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:17,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805668749] [2024-10-31 22:12:17,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805668749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:17,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:17,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:17,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024338558] [2024-10-31 22:12:17,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:17,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:17,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:17,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:17,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:17,541 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2024-10-31 22:12:17,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:17,589 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2024-10-31 22:12:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:17,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 [2024-10-31 22:12:17,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:17,591 INFO L225 Difference]: With dead ends: 49 [2024-10-31 22:12:17,591 INFO L226 Difference]: Without dead ends: 48 [2024-10-31 22:12:17,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:17,593 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:17,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 45 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-31 22:12:17,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-31 22:12:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 47 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2024-10-31 22:12:17,601 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 8 [2024-10-31 22:12:17,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:17,602 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2024-10-31 22:12:17,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2024-10-31 22:12:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2024-10-31 22:12:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:12:17,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:17,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:17,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:12:17,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:17,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1758336115, now seen corresponding path program 1 times [2024-10-31 22:12:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831698739] [2024-10-31 22:12:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:17,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:17,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831698739] [2024-10-31 22:12:17,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831698739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:17,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:17,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:17,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024109355] [2024-10-31 22:12:17,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:17,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:17,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:17,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:17,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:17,666 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:17,750 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2024-10-31 22:12:17,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:17,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-31 22:12:17,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:17,752 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:12:17,752 INFO L226 Difference]: Without dead ends: 63 [2024-10-31 22:12:17,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:17,755 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 15 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:17,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:17,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-31 22:12:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 49. [2024-10-31 22:12:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 48 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2024-10-31 22:12:17,765 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 12 [2024-10-31 22:12:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:17,765 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2024-10-31 22:12:17,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-10-31 22:12:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:12:17,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:17,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:17,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:12:17,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:17,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337461, now seen corresponding path program 1 times [2024-10-31 22:12:17,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:17,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708345001] [2024-10-31 22:12:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:17,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708345001] [2024-10-31 22:12:17,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708345001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:17,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:17,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:12:17,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423831093] [2024-10-31 22:12:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:17,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:17,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:17,861 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:17,920 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2024-10-31 22:12:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:17,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-31 22:12:17,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:17,922 INFO L225 Difference]: With dead ends: 100 [2024-10-31 22:12:17,922 INFO L226 Difference]: Without dead ends: 57 [2024-10-31 22:12:17,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:17,924 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 53 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:17,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 78 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-31 22:12:17,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2024-10-31 22:12:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.5) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-10-31 22:12:17,933 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 12 [2024-10-31 22:12:17,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:17,933 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-31 22:12:17,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-10-31 22:12:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:12:17,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:17,935 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:17,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:12:17,935 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:17,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337141, now seen corresponding path program 1 times [2024-10-31 22:12:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:17,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728820052] [2024-10-31 22:12:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:17,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:17,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:17,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728820052] [2024-10-31 22:12:17,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728820052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:17,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:18,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:18,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579475986] [2024-10-31 22:12:18,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:18,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:18,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:18,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:18,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:18,006 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:18,120 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2024-10-31 22:12:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:18,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-31 22:12:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:18,123 INFO L225 Difference]: With dead ends: 75 [2024-10-31 22:12:18,123 INFO L226 Difference]: Without dead ends: 71 [2024-10-31 22:12:18,124 INFO L431 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 [2024-10-31 22:12:18,129 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 15 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:18,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 61 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:18,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-31 22:12:18,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2024-10-31 22:12:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.5) internal successors, (81), 67 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2024-10-31 22:12:18,148 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 12 [2024-10-31 22:12:18,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:18,148 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2024-10-31 22:12:18,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2024-10-31 22:12:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:12:18,150 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:18,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:18,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:12:18,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:18,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:18,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1839847543, now seen corresponding path program 1 times [2024-10-31 22:12:18,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:18,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401703453] [2024-10-31 22:12:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:18,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:18,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401703453] [2024-10-31 22:12:18,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401703453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:18,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:18,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:18,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100408572] [2024-10-31 22:12:18,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:18,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:18,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:18,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:18,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:18,275 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:18,395 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-10-31 22:12:18,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:18,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-31 22:12:18,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:18,397 INFO L225 Difference]: With dead ends: 78 [2024-10-31 22:12:18,400 INFO L226 Difference]: Without dead ends: 76 [2024-10-31 22:12:18,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:18,402 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:18,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 63 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:18,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-31 22:12:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2024-10-31 22:12:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 71 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2024-10-31 22:12:18,429 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 14 [2024-10-31 22:12:18,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:18,429 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2024-10-31 22:12:18,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2024-10-31 22:12:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:12:18,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:18,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:18,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:12:18,432 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:18,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1175496642, now seen corresponding path program 1 times [2024-10-31 22:12:18,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:18,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993806628] [2024-10-31 22:12:18,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:18,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:18,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:18,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993806628] [2024-10-31 22:12:18,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993806628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:18,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:18,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:18,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000023716] [2024-10-31 22:12:18,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:18,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:18,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:18,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:18,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:18,541 INFO L87 Difference]: Start difference. First operand 72 states and 85 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:18,628 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2024-10-31 22:12:18,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:18,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-31 22:12:18,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:18,631 INFO L225 Difference]: With dead ends: 82 [2024-10-31 22:12:18,633 INFO L226 Difference]: Without dead ends: 80 [2024-10-31 22:12:18,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:18,635 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:18,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:18,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-31 22:12:18,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-10-31 22:12:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 79 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2024-10-31 22:12:18,651 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 17 [2024-10-31 22:12:18,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:18,655 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2024-10-31 22:12:18,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-10-31 22:12:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:12:18,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:18,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:18,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:12:18,657 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:18,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:18,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1474400199, now seen corresponding path program 1 times [2024-10-31 22:12:18,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:18,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632937382] [2024-10-31 22:12:18,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:18,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:18,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:18,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632937382] [2024-10-31 22:12:18,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632937382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:18,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:18,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:18,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402027568] [2024-10-31 22:12:18,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:18,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:18,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:18,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:18,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:18,777 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:18,857 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2024-10-31 22:12:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:18,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-31 22:12:18,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:18,859 INFO L225 Difference]: With dead ends: 94 [2024-10-31 22:12:18,859 INFO L226 Difference]: Without dead ends: 92 [2024-10-31 22:12:18,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:18,860 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:18,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 121 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-31 22:12:18,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2024-10-31 22:12:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 89 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2024-10-31 22:12:18,884 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 17 [2024-10-31 22:12:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:18,885 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2024-10-31 22:12:18,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2024-10-31 22:12:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:12:18,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:18,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:18,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:12:18,886 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:18,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1766496546, now seen corresponding path program 1 times [2024-10-31 22:12:18,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:18,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152919896] [2024-10-31 22:12:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:18,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:18,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152919896] [2024-10-31 22:12:18,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152919896] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:18,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139198878] [2024-10-31 22:12:18,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:18,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:18,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:18,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:18,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:12:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:19,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:12:19,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:19,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:19,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139198878] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:19,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:19,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-31 22:12:19,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442452432] [2024-10-31 22:12:19,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:19,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:12:19,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:12:19,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:19,256 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:19,404 INFO L93 Difference]: Finished difference Result 183 states and 226 transitions. [2024-10-31 22:12:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:12:19,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-31 22:12:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:19,407 INFO L225 Difference]: With dead ends: 183 [2024-10-31 22:12:19,407 INFO L226 Difference]: Without dead ends: 124 [2024-10-31 22:12:19,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:19,409 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 43 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:19,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 146 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-31 22:12:19,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2024-10-31 22:12:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 117 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 152 transitions. [2024-10-31 22:12:19,433 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 152 transitions. Word has length 21 [2024-10-31 22:12:19,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:19,433 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 152 transitions. [2024-10-31 22:12:19,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 152 transitions. [2024-10-31 22:12:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:12:19,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:19,435 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:19,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:12:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:12:19,639 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:19,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1089802590, now seen corresponding path program 1 times [2024-10-31 22:12:19,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378319410] [2024-10-31 22:12:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:19,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:19,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378319410] [2024-10-31 22:12:19,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378319410] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:19,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803304474] [2024-10-31 22:12:19,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:19,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:19,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:19,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:19,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:12:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:19,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:12:19,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:19,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:20,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803304474] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:20,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:20,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-31 22:12:20,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112104399] [2024-10-31 22:12:20,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:20,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:12:20,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:20,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:12:20,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:12:20,026 INFO L87 Difference]: Start difference. First operand 118 states and 152 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:20,151 INFO L93 Difference]: Finished difference Result 212 states and 268 transitions. [2024-10-31 22:12:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:12:20,151 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-31 22:12:20,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:20,152 INFO L225 Difference]: With dead ends: 212 [2024-10-31 22:12:20,153 INFO L226 Difference]: Without dead ends: 118 [2024-10-31 22:12:20,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:12:20,154 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 137 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:20,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 143 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:20,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-31 22:12:20,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2024-10-31 22:12:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 111 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2024-10-31 22:12:20,162 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 23 [2024-10-31 22:12:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:20,163 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2024-10-31 22:12:20,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2024-10-31 22:12:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:12:20,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:20,164 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:20,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:12:20,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 22:12:20,365 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:20,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1090110430, now seen corresponding path program 1 times [2024-10-31 22:12:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:20,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544207392] [2024-10-31 22:12:20,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:20,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:20,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:20,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544207392] [2024-10-31 22:12:20,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544207392] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:20,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099956619] [2024-10-31 22:12:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:20,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:20,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:12:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:20,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:12:20,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:20,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:20,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099956619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:20,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:20,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-31 22:12:20,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424349032] [2024-10-31 22:12:20,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:20,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:20,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:20,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:20,659 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:20,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:20,774 INFO L93 Difference]: Finished difference Result 117 states and 139 transitions. [2024-10-31 22:12:20,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:20,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-31 22:12:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:20,776 INFO L225 Difference]: With dead ends: 117 [2024-10-31 22:12:20,776 INFO L226 Difference]: Without dead ends: 114 [2024-10-31 22:12:20,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:20,777 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:20,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 59 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:20,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-31 22:12:20,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-10-31 22:12:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 111 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2024-10-31 22:12:20,786 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 23 [2024-10-31 22:12:20,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:20,786 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2024-10-31 22:12:20,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2024-10-31 22:12:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-31 22:12:20,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:20,788 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:20,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:12:20,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-31 22:12:20,992 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:20,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 566315116, now seen corresponding path program 1 times [2024-10-31 22:12:20,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:20,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870819012] [2024-10-31 22:12:20,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:20,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:12:21,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870819012] [2024-10-31 22:12:21,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870819012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:21,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:21,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:21,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669718208] [2024-10-31 22:12:21,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:21,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:21,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:21,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:21,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:21,061 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:21,144 INFO L93 Difference]: Finished difference Result 116 states and 134 transitions. [2024-10-31 22:12:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:21,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-10-31 22:12:21,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:21,146 INFO L225 Difference]: With dead ends: 116 [2024-10-31 22:12:21,146 INFO L226 Difference]: Without dead ends: 114 [2024-10-31 22:12:21,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:21,147 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 13 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:21,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 65 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-31 22:12:21,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-10-31 22:12:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3265306122448979) internal successors, (130), 111 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2024-10-31 22:12:21,155 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 24 [2024-10-31 22:12:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:21,155 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2024-10-31 22:12:21,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2024-10-31 22:12:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-31 22:12:21,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:21,156 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:21,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:12:21,157 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:21,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:21,157 INFO L85 PathProgramCache]: Analyzing trace with hash 639632014, now seen corresponding path program 1 times [2024-10-31 22:12:21,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:21,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591706156] [2024-10-31 22:12:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:21,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-31 22:12:21,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:21,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591706156] [2024-10-31 22:12:21,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591706156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:21,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:21,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:21,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688469026] [2024-10-31 22:12:21,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:21,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:21,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:21,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:21,329 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:21,417 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2024-10-31 22:12:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:12:21,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-31 22:12:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:21,418 INFO L225 Difference]: With dead ends: 133 [2024-10-31 22:12:21,418 INFO L226 Difference]: Without dead ends: 114 [2024-10-31 22:12:21,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:21,419 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 145 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:21,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 57 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:21,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-31 22:12:21,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-10-31 22:12:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.316326530612245) internal successors, (129), 111 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2024-10-31 22:12:21,426 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 25 [2024-10-31 22:12:21,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:21,426 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2024-10-31 22:12:21,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2024-10-31 22:12:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-31 22:12:21,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:21,427 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:21,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:12:21,427 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:21,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:21,428 INFO L85 PathProgramCache]: Analyzing trace with hash -621403175, now seen corresponding path program 1 times [2024-10-31 22:12:21,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:21,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931477178] [2024-10-31 22:12:21,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:21,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:12:21,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:21,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931477178] [2024-10-31 22:12:21,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931477178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:21,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:21,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:21,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085350379] [2024-10-31 22:12:21,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:21,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:21,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:21,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:21,498 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:21,545 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2024-10-31 22:12:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:21,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-10-31 22:12:21,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:21,546 INFO L225 Difference]: With dead ends: 112 [2024-10-31 22:12:21,547 INFO L226 Difference]: Without dead ends: 111 [2024-10-31 22:12:21,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:21,548 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:21,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 95 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:21,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-31 22:12:21,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-31 22:12:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 110 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2024-10-31 22:12:21,555 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 35 [2024-10-31 22:12:21,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:21,556 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2024-10-31 22:12:21,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2024-10-31 22:12:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 22:12:21,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:21,557 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:21,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:12:21,557 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:21,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:21,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1766476414, now seen corresponding path program 2 times [2024-10-31 22:12:21,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:21,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786533578] [2024-10-31 22:12:21,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:21,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-31 22:12:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:21,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786533578] [2024-10-31 22:12:21,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786533578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:21,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:21,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:21,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987456972] [2024-10-31 22:12:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:21,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:21,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:21,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:21,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:21,633 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:21,705 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2024-10-31 22:12:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:21,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-31 22:12:21,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:21,706 INFO L225 Difference]: With dead ends: 116 [2024-10-31 22:12:21,707 INFO L226 Difference]: Without dead ends: 114 [2024-10-31 22:12:21,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:21,708 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 6 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:21,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 97 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:21,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-31 22:12:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-31 22:12:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 113 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2024-10-31 22:12:21,715 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 39 [2024-10-31 22:12:21,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:21,716 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2024-10-31 22:12:21,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2024-10-31 22:12:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-31 22:12:21,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:21,717 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:21,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:12:21,718 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:21,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 382661460, now seen corresponding path program 1 times [2024-10-31 22:12:21,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:21,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262036830] [2024-10-31 22:12:21,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-31 22:12:21,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:21,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262036830] [2024-10-31 22:12:21,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262036830] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:21,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310927479] [2024-10-31 22:12:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:21,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:21,856 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:21,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:12:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:21,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:12:21,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:22,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:22,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310927479] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:22,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:22,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 12 [2024-10-31 22:12:22,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246418615] [2024-10-31 22:12:22,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:22,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:12:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:22,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:12:22,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:12:22,226 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:22,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:22,750 INFO L93 Difference]: Finished difference Result 254 states and 311 transitions. [2024-10-31 22:12:22,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-31 22:12:22,750 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-10-31 22:12:22,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:22,751 INFO L225 Difference]: With dead ends: 254 [2024-10-31 22:12:22,751 INFO L226 Difference]: Without dead ends: 182 [2024-10-31 22:12:22,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 78 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2024-10-31 22:12:22,753 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 102 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:22,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 164 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:12:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-31 22:12:22,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 174. [2024-10-31 22:12:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 173 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 216 transitions. [2024-10-31 22:12:22,762 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 216 transitions. Word has length 46 [2024-10-31 22:12:22,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:22,763 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 216 transitions. [2024-10-31 22:12:22,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 216 transitions. [2024-10-31 22:12:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:12:22,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:22,764 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:22,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:12:22,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 22:12:22,965 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:22,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1501927733, now seen corresponding path program 1 times [2024-10-31 22:12:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:22,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818551743] [2024-10-31 22:12:22,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:22,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:12:23,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:23,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818551743] [2024-10-31 22:12:23,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818551743] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:23,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834323913] [2024-10-31 22:12:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:23,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:23,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:23,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:23,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:12:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:23,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:12:23,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:12:23,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:12:23,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834323913] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:23,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:23,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-31 22:12:23,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373952785] [2024-10-31 22:12:23,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:23,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:12:23,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:23,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:12:23,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:23,446 INFO L87 Difference]: Start difference. First operand 174 states and 216 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:23,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:23,595 INFO L93 Difference]: Finished difference Result 187 states and 231 transitions. [2024-10-31 22:12:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:12:23,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-10-31 22:12:23,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:23,597 INFO L225 Difference]: With dead ends: 187 [2024-10-31 22:12:23,597 INFO L226 Difference]: Without dead ends: 184 [2024-10-31 22:12:23,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:23,598 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 38 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:23,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 112 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-31 22:12:23,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 183. [2024-10-31 22:12:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 171 states have (on average 1.286549707602339) internal successors, (220), 182 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 220 transitions. [2024-10-31 22:12:23,610 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 220 transitions. Word has length 56 [2024-10-31 22:12:23,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:23,610 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 220 transitions. [2024-10-31 22:12:23,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 220 transitions. [2024-10-31 22:12:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-31 22:12:23,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:23,612 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:23,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:23,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:12:23,813 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:23,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:23,813 INFO L85 PathProgramCache]: Analyzing trace with hash -684880457, now seen corresponding path program 1 times [2024-10-31 22:12:23,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:23,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790472453] [2024-10-31 22:12:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:12:23,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:23,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790472453] [2024-10-31 22:12:23,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790472453] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:23,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741874204] [2024-10-31 22:12:23,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:23,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:23,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:23,994 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:23,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:12:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:24,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:12:24,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:12:24,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:24,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741874204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:24,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:24,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-10-31 22:12:24,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813985313] [2024-10-31 22:12:24,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:24,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:24,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:24,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:24,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:12:24,232 INFO L87 Difference]: Start difference. First operand 183 states and 220 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:24,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:24,380 INFO L93 Difference]: Finished difference Result 184 states and 220 transitions. [2024-10-31 22:12:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:24,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-10-31 22:12:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:24,382 INFO L225 Difference]: With dead ends: 184 [2024-10-31 22:12:24,382 INFO L226 Difference]: Without dead ends: 180 [2024-10-31 22:12:24,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:12:24,383 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:24,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 93 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:24,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-31 22:12:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-10-31 22:12:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 171 states have (on average 1.2280701754385965) internal successors, (210), 179 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 210 transitions. [2024-10-31 22:12:24,398 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 210 transitions. Word has length 57 [2024-10-31 22:12:24,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:24,398 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 210 transitions. [2024-10-31 22:12:24,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2024-10-31 22:12:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:12:24,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:24,400 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:24,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:12:24,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:24,601 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:24,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:24,601 INFO L85 PathProgramCache]: Analyzing trace with hash 243542391, now seen corresponding path program 1 times [2024-10-31 22:12:24,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:24,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566631149] [2024-10-31 22:12:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:24,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:24,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:24,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566631149] [2024-10-31 22:12:24,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566631149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:24,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:24,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:24,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825370644] [2024-10-31 22:12:24,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:24,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:24,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:24,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:24,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:24,696 INFO L87 Difference]: Start difference. First operand 180 states and 210 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:24,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:24,766 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2024-10-31 22:12:24,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:24,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-10-31 22:12:24,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:24,767 INFO L225 Difference]: With dead ends: 181 [2024-10-31 22:12:24,767 INFO L226 Difference]: Without dead ends: 180 [2024-10-31 22:12:24,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:24,768 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:24,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 87 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:24,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-31 22:12:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-10-31 22:12:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 171 states have (on average 1.2163742690058479) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 208 transitions. [2024-10-31 22:12:24,782 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 208 transitions. Word has length 58 [2024-10-31 22:12:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:24,782 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 208 transitions. [2024-10-31 22:12:24,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2024-10-31 22:12:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 22:12:24,783 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:24,783 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:24,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:12:24,783 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:24,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:24,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1480224482, now seen corresponding path program 2 times [2024-10-31 22:12:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530532464] [2024-10-31 22:12:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:24,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:24,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:24,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530532464] [2024-10-31 22:12:24,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530532464] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:24,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399895844] [2024-10-31 22:12:24,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:12:24,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:24,951 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:24,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:12:25,050 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:12:25,050 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:12:25,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:12:25,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-31 22:12:25,316 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:25,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399895844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:25,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:25,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2024-10-31 22:12:25,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634327747] [2024-10-31 22:12:25,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:25,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:12:25,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:25,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:12:25,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:12:25,318 INFO L87 Difference]: Start difference. First operand 180 states and 208 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 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) [2024-10-31 22:12:25,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:25,502 INFO L93 Difference]: Finished difference Result 180 states and 208 transitions. [2024-10-31 22:12:25,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:12:25,503 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 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 66 [2024-10-31 22:12:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:25,504 INFO L225 Difference]: With dead ends: 180 [2024-10-31 22:12:25,505 INFO L226 Difference]: Without dead ends: 177 [2024-10-31 22:12:25,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:12:25,506 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:25,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 109 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:12:25,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-10-31 22:12:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-10-31 22:12:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 171 states have (on average 1.1345029239766082) internal successors, (194), 176 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 194 transitions. [2024-10-31 22:12:25,517 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 194 transitions. Word has length 66 [2024-10-31 22:12:25,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:25,518 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 194 transitions. [2024-10-31 22:12:25,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 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) [2024-10-31 22:12:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2024-10-31 22:12:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 22:12:25,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:25,518 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:25,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:12:25,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:25,720 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:25,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:25,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1357681236, now seen corresponding path program 2 times [2024-10-31 22:12:25,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:25,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931924436] [2024-10-31 22:12:25,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:25,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-31 22:12:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931924436] [2024-10-31 22:12:25,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931924436] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481136688] [2024-10-31 22:12:25,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:12:25,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:25,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:25,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:12:25,917 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:12:25,918 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:12:25,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:25,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-31 22:12:25,957 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:25,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481136688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:25,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:25,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-10-31 22:12:25,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558250561] [2024-10-31 22:12:25,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:25,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:25,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:25,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:25,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:25,961 INFO L87 Difference]: Start difference. First operand 177 states and 194 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:26,030 INFO L93 Difference]: Finished difference Result 177 states and 194 transitions. [2024-10-31 22:12:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:26,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-31 22:12:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:26,032 INFO L225 Difference]: With dead ends: 177 [2024-10-31 22:12:26,032 INFO L226 Difference]: Without dead ends: 175 [2024-10-31 22:12:26,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:26,033 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:26,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-31 22:12:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-10-31 22:12:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 171 states have (on average 1.087719298245614) internal successors, (186), 174 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 186 transitions. [2024-10-31 22:12:26,044 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 186 transitions. Word has length 67 [2024-10-31 22:12:26,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:26,045 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 186 transitions. [2024-10-31 22:12:26,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 186 transitions. [2024-10-31 22:12:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-31 22:12:26,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:26,046 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:26,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:26,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-31 22:12:26,247 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:26,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:26,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1125287246, now seen corresponding path program 1 times [2024-10-31 22:12:26,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:26,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467752706] [2024-10-31 22:12:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:26,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:26,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467752706] [2024-10-31 22:12:26,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467752706] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:26,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231674100] [2024-10-31 22:12:26,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:26,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:26,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:26,415 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:26,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:12:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:26,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:12:26,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:26,579 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:26,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231674100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:26,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:12:26,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-31 22:12:26,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492929902] [2024-10-31 22:12:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:26,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:26,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:26,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:26,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:12:26,582 INFO L87 Difference]: Start difference. First operand 175 states and 186 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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) [2024-10-31 22:12:26,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:26,684 INFO L93 Difference]: Finished difference Result 175 states and 186 transitions. [2024-10-31 22:12:26,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:26,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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 68 [2024-10-31 22:12:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:26,686 INFO L225 Difference]: With dead ends: 175 [2024-10-31 22:12:26,687 INFO L226 Difference]: Without dead ends: 174 [2024-10-31 22:12:26,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:12:26,688 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 39 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:26,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 103 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-31 22:12:26,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-10-31 22:12:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 171 states have (on average 1.0818713450292399) internal successors, (185), 173 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 185 transitions. [2024-10-31 22:12:26,699 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 185 transitions. Word has length 68 [2024-10-31 22:12:26,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:26,699 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 185 transitions. [2024-10-31 22:12:26,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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) [2024-10-31 22:12:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 185 transitions. [2024-10-31 22:12:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-31 22:12:26,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:26,701 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:26,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 22:12:26,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-31 22:12:26,905 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:26,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash 524166396, now seen corresponding path program 1 times [2024-10-31 22:12:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:26,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454286474] [2024-10-31 22:12:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:27,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:27,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454286474] [2024-10-31 22:12:27,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454286474] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:27,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499955275] [2024-10-31 22:12:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:27,035 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:27,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:12:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:27,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:12:27,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:27,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:27,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499955275] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:27,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:27,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-31 22:12:27,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328843782] [2024-10-31 22:12:27,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:27,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:12:27,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:27,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:12:27,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:12:27,235 INFO L87 Difference]: Start difference. First operand 174 states and 185 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:27,352 INFO L93 Difference]: Finished difference Result 199 states and 215 transitions. [2024-10-31 22:12:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:12:27,353 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-31 22:12:27,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:27,354 INFO L225 Difference]: With dead ends: 199 [2024-10-31 22:12:27,354 INFO L226 Difference]: Without dead ends: 198 [2024-10-31 22:12:27,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:12:27,355 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 89 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:27,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 135 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:27,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-31 22:12:27,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-10-31 22:12:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 1.087179487179487) internal successors, (212), 197 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 212 transitions. [2024-10-31 22:12:27,365 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 212 transitions. Word has length 69 [2024-10-31 22:12:27,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:27,365 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 212 transitions. [2024-10-31 22:12:27,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 212 transitions. [2024-10-31 22:12:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:12:27,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:27,367 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:27,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:27,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-31 22:12:27,571 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:27,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:27,571 INFO L85 PathProgramCache]: Analyzing trace with hash 281027596, now seen corresponding path program 2 times [2024-10-31 22:12:27,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:27,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601454792] [2024-10-31 22:12:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:27,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-31 22:12:27,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:27,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601454792] [2024-10-31 22:12:27,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601454792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:27,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915342310] [2024-10-31 22:12:27,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:12:27,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:27,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:27,914 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:27,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-31 22:12:28,005 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:12:28,005 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:12:28,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:12:28,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-10-31 22:12:28,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-10-31 22:12:28,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915342310] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:28,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:28,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-10-31 22:12:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938883345] [2024-10-31 22:12:28,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:28,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-31 22:12:28,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:28,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 22:12:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:12:28,407 INFO L87 Difference]: Start difference. First operand 198 states and 212 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:28,757 INFO L93 Difference]: Finished difference Result 207 states and 223 transitions. [2024-10-31 22:12:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:12:28,758 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 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 93 [2024-10-31 22:12:28,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:28,758 INFO L225 Difference]: With dead ends: 207 [2024-10-31 22:12:28,759 INFO L226 Difference]: Without dead ends: 156 [2024-10-31 22:12:28,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-10-31 22:12:28,760 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 71 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:28,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 115 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:12:28,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-31 22:12:28,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-10-31 22:12:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 154 states have (on average 1.051948051948052) internal successors, (162), 155 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2024-10-31 22:12:28,769 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 93 [2024-10-31 22:12:28,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:28,770 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2024-10-31 22:12:28,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2024-10-31 22:12:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-31 22:12:28,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:28,772 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:28,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:28,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-31 22:12:28,973 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:28,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1343515447, now seen corresponding path program 1 times [2024-10-31 22:12:28,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:28,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820909454] [2024-10-31 22:12:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:28,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-10-31 22:12:29,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:29,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820909454] [2024-10-31 22:12:29,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820909454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:29,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:29,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:29,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578651105] [2024-10-31 22:12:29,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:29,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:29,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:29,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:29,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:29,110 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 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) [2024-10-31 22:12:29,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:29,159 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2024-10-31 22:12:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:29,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 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 135 [2024-10-31 22:12:29,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:29,161 INFO L225 Difference]: With dead ends: 156 [2024-10-31 22:12:29,161 INFO L226 Difference]: Without dead ends: 155 [2024-10-31 22:12:29,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:29,162 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:29,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 38 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-31 22:12:29,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-31 22:12:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.0454545454545454) internal successors, (161), 154 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 161 transitions. [2024-10-31 22:12:29,173 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 161 transitions. Word has length 135 [2024-10-31 22:12:29,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:29,174 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 161 transitions. [2024-10-31 22:12:29,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 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) [2024-10-31 22:12:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 161 transitions. [2024-10-31 22:12:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-31 22:12:29,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:29,176 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 10, 10, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:29,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-31 22:12:29,176 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:12:29,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:29,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2109395253, now seen corresponding path program 2 times [2024-10-31 22:12:29,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:29,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186242511] [2024-10-31 22:12:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:29,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2024-10-31 22:12:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:29,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186242511] [2024-10-31 22:12:29,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186242511] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:29,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103876339] [2024-10-31 22:12:29,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:12:29,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:29,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:29,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:29,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-31 22:12:29,882 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:12:29,883 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:12:29,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:12:29,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-10-31 22:12:30,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-10-31 22:12:30,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103876339] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:30,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:30,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 8 [2024-10-31 22:12:30,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085718969] [2024-10-31 22:12:30,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:30,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:12:30,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:30,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:12:30,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:12:30,934 INFO L87 Difference]: Start difference. First operand 155 states and 161 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:31,004 INFO L93 Difference]: Finished difference Result 155 states and 161 transitions. [2024-10-31 22:12:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:12:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2024-10-31 22:12:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:31,006 INFO L225 Difference]: With dead ends: 155 [2024-10-31 22:12:31,006 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:12:31,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 279 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:12:31,007 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 38 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:31,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 16 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:31,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:12:31,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:12:31,009 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) [2024-10-31 22:12:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:12:31,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2024-10-31 22:12:31,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:31,010 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:12:31,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:12:31,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:12:31,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-10-31 22:12:31,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-10-31 22:12:31,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-10-31 22:12:31,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-10-31 22:12:31,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-10-31 22:12:31,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-10-31 22:12:31,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-10-31 22:12:31,017 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-10-31 22:12:31,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-10-31 22:12:31,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-10-31 22:12:31,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-10-31 22:12:31,018 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-10-31 22:12:31,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-10-31 22:12:31,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-10-31 22:12:31,019 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-10-31 22:12:31,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-10-31 22:12:31,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-31 22:12:31,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-31 22:12:31,227 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:31,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:12:31,687 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:12:31,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:12:31 BoogieIcfgContainer [2024-10-31 22:12:31,715 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:12:31,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:31,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:31,716 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:31,717 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:16" (3/4) ... [2024-10-31 22:12:31,721 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:12:31,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-31 22:12:31,734 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-31 22:12:31,735 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:12:31,735 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:12:31,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:12:31,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:12:31,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:31,863 INFO L158 Benchmark]: Toolchain (without parser) took 16546.80ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 104.4MB in the beginning and 187.6MB in the end (delta: -83.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-31 22:12:31,863 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 106.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:31,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.46ms. Allocated memory is still 138.4MB. Free memory was 103.9MB in the beginning and 91.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:12:31,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.24ms. Allocated memory is still 138.4MB. Free memory was 91.3MB in the beginning and 89.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:31,865 INFO L158 Benchmark]: Boogie Preprocessor took 43.58ms. Allocated memory is still 138.4MB. Free memory was 89.8MB in the beginning and 87.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:31,865 INFO L158 Benchmark]: RCFGBuilder took 485.73ms. Allocated memory is still 138.4MB. Free memory was 87.6MB in the beginning and 71.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:12:31,866 INFO L158 Benchmark]: TraceAbstraction took 15480.20ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 70.3MB in the beginning and 192.9MB in the end (delta: -122.6MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2024-10-31 22:12:31,867 INFO L158 Benchmark]: Witness Printer took 145.86ms. Allocated memory is still 234.9MB. Free memory was 192.9MB in the beginning and 187.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:31,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 106.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.46ms. Allocated memory is still 138.4MB. Free memory was 103.9MB in the beginning and 91.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.24ms. Allocated memory is still 138.4MB. Free memory was 91.3MB in the beginning and 89.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.58ms. Allocated memory is still 138.4MB. Free memory was 89.8MB in the beginning and 87.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.73ms. Allocated memory is still 138.4MB. Free memory was 87.6MB in the beginning and 71.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15480.20ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 70.3MB in the beginning and 192.9MB in the end (delta: -122.6MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Witness Printer took 145.86ms. Allocated memory is still 234.9MB. Free memory was 192.9MB in the beginning and 187.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 27, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1044 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1044 mSDsluCounter, 2372 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1419 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1971 IncrementalHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 953 mSDtfsCounter, 1971 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1307 GetRequests, 1136 SyntacticMatches, 10 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=24, InterpolantAutomatonStates: 170, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 57 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 1884 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2288 ConstructedInterpolants, 0 QuantifiedInterpolants, 7045 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1415 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 46 InterpolantComputations, 20 PerfectInterpolantSequences, 3570/4044 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((((((i == 0) && (2 <= CELLCOUNT)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) || (((((1 <= i) && (2 <= CELLCOUNT)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647))) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((2 <= CELLCOUNT) && (i == 1)) && (j <= 3)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) || ((((((j == 4) && (2 <= CELLCOUNT)) && (i == 1)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647))) || (((((((j == 4) && (i <= 536870911)) && (2 <= CELLCOUNT)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i))) || (((((((i <= 536870911) && (2 <= CELLCOUNT)) && (j <= 3)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i))) RESULT: Ultimate proved your program to be correct! [2024-10-31 22:12:31,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdec7b24-4c7c-42f2-9ac3-bec2d86bf649/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE