./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:31:48,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:31:48,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:31:48,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:31:48,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:31:48,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:31:48,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:31:48,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:31:48,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:31:48,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:31:48,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:31:48,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:31:48,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:31:48,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:31:48,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:31:48,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:31:48,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:31:48,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:31:48,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:31:48,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:31:48,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:31:48,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:31:48,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:31:48,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:31:48,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:31:48,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:31:48,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:31:48,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:31:48,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:31:48,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:31:48,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:31:48,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:31:48,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:31:48,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:31:48,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:31:48,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:31:48,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:31:48,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:31:48,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:31:48,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:31:48,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:31:48,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:31:48,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:31:48,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:31:48,691 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2024-11-20 21:31:48,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:31:48,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:31:48,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:31:48,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:31:48,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:31:49,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-11-20 21:31:50,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:31:50,700 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:31:50,700 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-11-20 21:31:50,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32b90b06/55516f234c304da6bc27be56cf010fdf/FLAGf49430e2b [2024-11-20 21:31:50,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32b90b06/55516f234c304da6bc27be56cf010fdf [2024-11-20 21:31:50,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:31:50,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:31:50,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:31:50,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:31:50,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:31:50,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:50" (1/1) ... [2024-11-20 21:31:50,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c7dedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:50, skipping insertion in model container [2024-11-20 21:31:50,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:50" (1/1) ... [2024-11-20 21:31:50,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:31:51,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:31:51,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:31:51,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:31:51,521 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:31:51,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51 WrapperNode [2024-11-20 21:31:51,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:31:51,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:31:51,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:31:51,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:31:51,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,700 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2046 [2024-11-20 21:31:51,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:31:51,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:31:51,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:31:51,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:31:51,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,806 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 24, 323]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 1, 82]. [2024-11-20 21:31:51,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:31:51,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:31:51,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:31:51,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:31:51,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (1/1) ... [2024-11-20 21:31:51,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:31:51,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:31:51,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 21:31:51,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 21:31:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-20 21:31:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-20 21:31:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:31:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:31:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:31:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 21:31:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 21:31:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:31:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:31:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:31:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:31:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:31:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:31:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:31:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:31:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:31:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:31:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:31:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:31:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:31:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:31:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:31:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:31:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:31:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:31:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:31:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:31:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:31:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:31:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:31:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:31:52,205 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:31:52,211 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:31:53,782 INFO L? ?]: Removed 492 outVars from TransFormulas that were not future-live. [2024-11-20 21:31:53,783 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:31:53,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:31:53,812 INFO L316 CfgBuilder]: Removed 83 assume(true) statements. [2024-11-20 21:31:53,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:53 BoogieIcfgContainer [2024-11-20 21:31:53,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:31:53,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:31:53,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:31:53,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:31:53,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:31:50" (1/3) ... [2024-11-20 21:31:53,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca8c10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:53, skipping insertion in model container [2024-11-20 21:31:53,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:51" (2/3) ... [2024-11-20 21:31:53,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca8c10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:53, skipping insertion in model container [2024-11-20 21:31:53,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:53" (3/3) ... [2024-11-20 21:31:53,820 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2024-11-20 21:31:53,833 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:31:53,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-20 21:31:53,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:31:53,894 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;@71158554, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:31:53,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-20 21:31:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 589 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 579 states have internal predecessors, (916), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 21:31:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 21:31:53,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:53,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 21:31:53,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:53,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:53,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1851784934, now seen corresponding path program 1 times [2024-11-20 21:31:53,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778119241] [2024-11-20 21:31:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:31:54,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:54,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778119241] [2024-11-20 21:31:54,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778119241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:54,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:54,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:31:54,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331722161] [2024-11-20 21:31:54,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:54,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 21:31:54,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 21:31:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:31:54,073 INFO L87 Difference]: Start difference. First operand has 589 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 579 states have internal predecessors, (916), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:54,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:54,143 INFO L93 Difference]: Finished difference Result 1172 states and 1886 transitions. [2024-11-20 21:31:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 21:31:54,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 21:31:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:54,155 INFO L225 Difference]: With dead ends: 1172 [2024-11-20 21:31:54,155 INFO L226 Difference]: Without dead ends: 578 [2024-11-20 21:31:54,159 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 [2024-11-20 21:31:54,162 INFO L432 NwaCegarLoop]: 845 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, 845 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 [2024-11-20 21:31:54,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:31:54,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-20 21:31:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2024-11-20 21:31:54,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 557 states have (on average 1.4631956912028725) internal successors, (815), 569 states have internal predecessors, (815), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:31:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 837 transitions. [2024-11-20 21:31:54,219 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 837 transitions. Word has length 6 [2024-11-20 21:31:54,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:54,219 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 837 transitions. [2024-11-20 21:31:54,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 837 transitions. [2024-11-20 21:31:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 21:31:54,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:54,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:54,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:31:54,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:54,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:54,222 INFO L85 PathProgramCache]: Analyzing trace with hash 217801389, now seen corresponding path program 1 times [2024-11-20 21:31:54,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:54,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68700609] [2024-11-20 21:31:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:54,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:31:54,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:54,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68700609] [2024-11-20 21:31:54,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68700609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:54,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:54,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:31:54,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962704210] [2024-11-20 21:31:54,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:54,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:31:54,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:54,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:31:54,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:31:54,289 INFO L87 Difference]: Start difference. First operand 578 states and 837 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:54,392 INFO L93 Difference]: Finished difference Result 1319 states and 1925 transitions. [2024-11-20 21:31:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:31:54,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-20 21:31:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:54,399 INFO L225 Difference]: With dead ends: 1319 [2024-11-20 21:31:54,399 INFO L226 Difference]: Without dead ends: 1137 [2024-11-20 21:31:54,401 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 [2024-11-20 21:31:54,402 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 794 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:54,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1696 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:31:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-11-20 21:31:54,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 754. [2024-11-20 21:31:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 728 states have (on average 1.467032967032967) internal successors, (1068), 745 states have internal predecessors, (1068), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 21:31:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1100 transitions. [2024-11-20 21:31:54,437 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1100 transitions. Word has length 7 [2024-11-20 21:31:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:54,438 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1100 transitions. [2024-11-20 21:31:54,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1100 transitions. [2024-11-20 21:31:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 21:31:54,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:54,443 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:54,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:31:54,444 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:54,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash 724823291, now seen corresponding path program 1 times [2024-11-20 21:31:54,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:54,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644591670] [2024-11-20 21:31:54,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:54,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:31:54,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:54,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644591670] [2024-11-20 21:31:54,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644591670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:54,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:54,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:31:54,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372226931] [2024-11-20 21:31:54,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:54,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:31:54,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:54,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:31:54,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:31:54,872 INFO L87 Difference]: Start difference. First operand 754 states and 1100 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:54,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:54,953 INFO L93 Difference]: Finished difference Result 1459 states and 2127 transitions. [2024-11-20 21:31:54,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:31:54,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-20 21:31:54,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:54,957 INFO L225 Difference]: With dead ends: 1459 [2024-11-20 21:31:54,957 INFO L226 Difference]: Without dead ends: 712 [2024-11-20 21:31:54,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:31:54,959 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 22 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:54,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2182 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:31:54,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-20 21:31:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-20 21:31:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 686 states have (on average 1.444606413994169) internal successors, (991), 703 states have internal predecessors, (991), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 21:31:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1023 transitions. [2024-11-20 21:31:54,975 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1023 transitions. Word has length 151 [2024-11-20 21:31:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:54,975 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 1023 transitions. [2024-11-20 21:31:54,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1023 transitions. [2024-11-20 21:31:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 21:31:54,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:54,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:54,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:31:54,979 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:54,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:54,980 INFO L85 PathProgramCache]: Analyzing trace with hash 697169549, now seen corresponding path program 1 times [2024-11-20 21:31:54,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:54,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001174700] [2024-11-20 21:31:54,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:54,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:31:55,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:55,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001174700] [2024-11-20 21:31:55,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001174700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:55,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:55,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:31:55,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571220864] [2024-11-20 21:31:55,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:55,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:31:55,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:55,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:31:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:31:55,251 INFO L87 Difference]: Start difference. First operand 712 states and 1023 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:55,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:55,312 INFO L93 Difference]: Finished difference Result 1411 states and 2033 transitions. [2024-11-20 21:31:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:31:55,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-20 21:31:55,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:55,315 INFO L225 Difference]: With dead ends: 1411 [2024-11-20 21:31:55,315 INFO L226 Difference]: Without dead ends: 706 [2024-11-20 21:31:55,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:31:55,317 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 9 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:55,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2183 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:31:55,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-20 21:31:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2024-11-20 21:31:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 680 states have (on average 1.4426470588235294) internal successors, (981), 697 states have internal predecessors, (981), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 21:31:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1013 transitions. [2024-11-20 21:31:55,328 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1013 transitions. Word has length 151 [2024-11-20 21:31:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:55,329 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 1013 transitions. [2024-11-20 21:31:55,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1013 transitions. [2024-11-20 21:31:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 21:31:55,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:55,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:55,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:31:55,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:55,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1336057733, now seen corresponding path program 1 times [2024-11-20 21:31:55,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:55,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128407478] [2024-11-20 21:31:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:55,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:31:55,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:55,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128407478] [2024-11-20 21:31:55,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128407478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:55,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:55,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:31:55,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593884358] [2024-11-20 21:31:55,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:55,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:31:55,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:55,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:31:55,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:31:55,490 INFO L87 Difference]: Start difference. First operand 706 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:55,530 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2024-11-20 21:31:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:31:55,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-20 21:31:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:55,534 INFO L225 Difference]: With dead ends: 1484 [2024-11-20 21:31:55,536 INFO L226 Difference]: Without dead ends: 785 [2024-11-20 21:31:55,537 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 [2024-11-20 21:31:55,539 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 54 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:55,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1491 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:31:55,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-20 21:31:55,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2024-11-20 21:31:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 759 states have (on average 1.4321475625823452) internal successors, (1087), 776 states have internal predecessors, (1087), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 21:31:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1119 transitions. [2024-11-20 21:31:55,557 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1119 transitions. Word has length 151 [2024-11-20 21:31:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:55,557 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1119 transitions. [2024-11-20 21:31:55,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:31:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1119 transitions. [2024-11-20 21:31:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 21:31:55,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:55,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:55,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:31:55,562 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:55,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:55,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1278445561, now seen corresponding path program 1 times [2024-11-20 21:31:55,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:55,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9580393] [2024-11-20 21:31:55,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:55,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 21:31:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:31:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:31:55,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9580393] [2024-11-20 21:31:55,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9580393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:55,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:55,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:31:55,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261256451] [2024-11-20 21:31:55,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:55,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:31:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:31:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:31:55,871 INFO L87 Difference]: Start difference. First operand 785 states and 1119 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:31:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:56,215 INFO L93 Difference]: Finished difference Result 1445 states and 2068 transitions. [2024-11-20 21:31:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:31:56,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-20 21:31:56,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:56,221 INFO L225 Difference]: With dead ends: 1445 [2024-11-20 21:31:56,222 INFO L226 Difference]: Without dead ends: 746 [2024-11-20 21:31:56,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:31:56,224 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 36 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:56,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2436 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:31:56,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-20 21:31:56,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2024-11-20 21:31:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.408647140864714) internal successors, (1010), 734 states have internal predecessors, (1010), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 21:31:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1042 transitions. [2024-11-20 21:31:56,244 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1042 transitions. Word has length 166 [2024-11-20 21:31:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:56,245 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1042 transitions. [2024-11-20 21:31:56,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:31:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1042 transitions. [2024-11-20 21:31:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 21:31:56,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:56,247 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:56,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:31:56,248 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:56,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2056778055, now seen corresponding path program 1 times [2024-11-20 21:31:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738317381] [2024-11-20 21:31:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:56,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 21:31:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:56,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:31:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:31:56,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:56,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738317381] [2024-11-20 21:31:56,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738317381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:56,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:56,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:31:56,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793122026] [2024-11-20 21:31:56,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:56,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:31:56,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:56,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:31:56,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:31:56,488 INFO L87 Difference]: Start difference. First operand 743 states and 1042 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:31:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:56,771 INFO L93 Difference]: Finished difference Result 1403 states and 1980 transitions. [2024-11-20 21:31:56,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:31:56,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-20 21:31:56,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:56,774 INFO L225 Difference]: With dead ends: 1403 [2024-11-20 21:31:56,774 INFO L226 Difference]: Without dead ends: 746 [2024-11-20 21:31:56,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:31:56,776 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 7 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:56,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1839 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:31:56,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-20 21:31:56,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2024-11-20 21:31:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 717 states have (on average 1.404463040446304) internal successors, (1007), 734 states have internal predecessors, (1007), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 21:31:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1039 transitions. [2024-11-20 21:31:56,788 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1039 transitions. Word has length 166 [2024-11-20 21:31:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:56,788 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1039 transitions. [2024-11-20 21:31:56,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:31:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1039 transitions. [2024-11-20 21:31:56,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 21:31:56,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:56,790 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:56,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:31:56,790 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:56,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:56,790 INFO L85 PathProgramCache]: Analyzing trace with hash 780107453, now seen corresponding path program 1 times [2024-11-20 21:31:56,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:56,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885166279] [2024-11-20 21:31:56,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:56,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:56,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 21:31:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:56,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:31:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:31:56,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:56,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885166279] [2024-11-20 21:31:56,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885166279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:56,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:56,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:31:56,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499665860] [2024-11-20 21:31:56,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:56,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:31:56,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:56,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:31:56,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:31:56,967 INFO L87 Difference]: Start difference. First operand 743 states and 1039 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:31:57,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:57,271 INFO L93 Difference]: Finished difference Result 1724 states and 2436 transitions. [2024-11-20 21:31:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:31:57,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-20 21:31:57,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:57,275 INFO L225 Difference]: With dead ends: 1724 [2024-11-20 21:31:57,276 INFO L226 Difference]: Without dead ends: 1067 [2024-11-20 21:31:57,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:31:57,277 INFO L432 NwaCegarLoop]: 858 mSDtfsCounter, 389 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:57,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 2252 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:31:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-20 21:31:57,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1059. [2024-11-20 21:31:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 1020 states have (on average 1.4098039215686275) internal successors, (1438), 1047 states have internal predecessors, (1438), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 21:31:57,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1496 transitions. [2024-11-20 21:31:57,313 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1496 transitions. Word has length 166 [2024-11-20 21:31:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:57,317 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1496 transitions. [2024-11-20 21:31:57,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:31:57,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1496 transitions. [2024-11-20 21:31:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-20 21:31:57,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:57,319 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:57,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:31:57,319 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:57,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:57,319 INFO L85 PathProgramCache]: Analyzing trace with hash -909316027, now seen corresponding path program 1 times [2024-11-20 21:31:57,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:57,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511821486] [2024-11-20 21:31:57,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:57,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:57,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 21:31:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:31:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:57,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 21:31:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 21:31:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 21:31:57,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:57,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511821486] [2024-11-20 21:31:57,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511821486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:31:57,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:31:57,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:31:57,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547887208] [2024-11-20 21:31:57,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:31:57,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:31:57,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:31:57,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:31:57,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:31:57,747 INFO L87 Difference]: Start difference. First operand 1059 states and 1496 transitions. Second operand has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:31:58,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:31:58,471 INFO L93 Difference]: Finished difference Result 1130 states and 1597 transitions. [2024-11-20 21:31:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:31:58,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-11-20 21:31:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:31:58,477 INFO L225 Difference]: With dead ends: 1130 [2024-11-20 21:31:58,477 INFO L226 Difference]: Without dead ends: 1128 [2024-11-20 21:31:58,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:31:58,479 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 468 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 2479 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 21:31:58,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 2479 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 21:31:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-20 21:31:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1123. [2024-11-20 21:31:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4024051803885291) internal successors, (1516), 1108 states have internal predecessors, (1516), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 21:31:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1580 transitions. [2024-11-20 21:31:58,540 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1580 transitions. Word has length 181 [2024-11-20 21:31:58,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:31:58,541 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1580 transitions. [2024-11-20 21:31:58,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:31:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1580 transitions. [2024-11-20 21:31:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-20 21:31:58,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:31:58,542 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:31:58,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 21:31:58,542 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:31:58,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:31:58,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1800175660, now seen corresponding path program 1 times [2024-11-20 21:31:58,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:31:58,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334207391] [2024-11-20 21:31:58,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:58,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:31:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:59,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 21:31:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:59,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:31:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 21:31:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 21:31:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 21:31:59,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:31:59,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334207391] [2024-11-20 21:31:59,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334207391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:31:59,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171309715] [2024-11-20 21:31:59,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:31:59,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:31:59,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:31:59,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:31:59,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:31:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:31:59,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-20 21:31:59,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:31:59,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:31:59,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-20 21:32:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 21:32:00,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:32:00,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171309715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:00,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:32:00,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-20 21:32:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50687422] [2024-11-20 21:32:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:00,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 21:32:00,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 21:32:00,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-20 21:32:00,645 INFO L87 Difference]: Start difference. First operand 1123 states and 1580 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:02,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:02,273 INFO L93 Difference]: Finished difference Result 2209 states and 3118 transitions. [2024-11-20 21:32:02,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:32:02,274 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-11-20 21:32:02,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:02,278 INFO L225 Difference]: With dead ends: 2209 [2024-11-20 21:32:02,278 INFO L226 Difference]: Without dead ends: 1125 [2024-11-20 21:32:02,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-20 21:32:02,280 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 714 mSDsluCounter, 3942 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:02,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 4584 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 21:32:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-11-20 21:32:02,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1123. [2024-11-20 21:32:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.4014801110083257) internal successors, (1515), 1108 states have internal predecessors, (1515), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 21:32:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1579 transitions. [2024-11-20 21:32:02,300 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1579 transitions. Word has length 187 [2024-11-20 21:32:02,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:02,300 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1579 transitions. [2024-11-20 21:32:02,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1579 transitions. [2024-11-20 21:32:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-20 21:32:02,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:02,302 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:02,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 21:32:02,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 21:32:02,508 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:02,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:02,508 INFO L85 PathProgramCache]: Analyzing trace with hash 57252080, now seen corresponding path program 1 times [2024-11-20 21:32:02,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:02,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285384265] [2024-11-20 21:32:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:02,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:32:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:32:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 21:32:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:03,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 21:32:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 21:32:03,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:03,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285384265] [2024-11-20 21:32:03,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285384265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:32:03,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97842001] [2024-11-20 21:32:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:03,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:32:03,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:32:03,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:32:03,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:32:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:03,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 21:32:03,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:32:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 21:32:03,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:32:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97842001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:03,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:32:03,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-20 21:32:03,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319424109] [2024-11-20 21:32:03,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:03,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:32:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:32:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:32:03,517 INFO L87 Difference]: Start difference. First operand 1123 states and 1579 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:03,613 INFO L93 Difference]: Finished difference Result 2207 states and 3117 transitions. [2024-11-20 21:32:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:32:03,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-20 21:32:03,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:03,617 INFO L225 Difference]: With dead ends: 2207 [2024-11-20 21:32:03,618 INFO L226 Difference]: Without dead ends: 1123 [2024-11-20 21:32:03,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:32:03,619 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 13 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:03,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1846 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:32:03,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-11-20 21:32:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2024-11-20 21:32:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1081 states have (on average 1.3996299722479186) internal successors, (1513), 1108 states have internal predecessors, (1513), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 21:32:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1577 transitions. [2024-11-20 21:32:03,641 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1577 transitions. Word has length 188 [2024-11-20 21:32:03,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:03,641 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1577 transitions. [2024-11-20 21:32:03,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1577 transitions. [2024-11-20 21:32:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-20 21:32:03,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:03,643 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:03,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 21:32:03,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-20 21:32:03,847 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:03,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:03,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2051162705, now seen corresponding path program 1 times [2024-11-20 21:32:03,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:03,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133261573] [2024-11-20 21:32:03,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:03,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:04,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:32:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:32:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:04,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 21:32:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 21:32:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 21:32:04,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:04,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133261573] [2024-11-20 21:32:04,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133261573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:04,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:32:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:32:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781903342] [2024-11-20 21:32:04,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:04,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:32:04,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:04,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:32:04,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:32:04,245 INFO L87 Difference]: Start difference. First operand 1123 states and 1577 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:04,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:04,870 INFO L93 Difference]: Finished difference Result 2213 states and 3134 transitions. [2024-11-20 21:32:04,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:32:04,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-20 21:32:04,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:04,877 INFO L225 Difference]: With dead ends: 2213 [2024-11-20 21:32:04,877 INFO L226 Difference]: Without dead ends: 1132 [2024-11-20 21:32:04,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:32:04,882 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 10 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:04,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2936 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 21:32:04,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-20 21:32:04,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1129. [2024-11-20 21:32:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1087 states have (on average 1.3974241030358785) internal successors, (1519), 1114 states have internal predecessors, (1519), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 21:32:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1583 transitions. [2024-11-20 21:32:04,921 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1583 transitions. Word has length 189 [2024-11-20 21:32:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:04,921 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1583 transitions. [2024-11-20 21:32:04,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1583 transitions. [2024-11-20 21:32:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 21:32:04,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:04,926 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:04,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 21:32:04,926 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:04,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:04,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1980402551, now seen corresponding path program 1 times [2024-11-20 21:32:04,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:04,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191959507] [2024-11-20 21:32:04,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:04,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:05,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:05,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:32:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:05,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 21:32:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:05,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 21:32:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 21:32:05,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:05,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191959507] [2024-11-20 21:32:05,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191959507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:05,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:32:05,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:32:05,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232113573] [2024-11-20 21:32:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:05,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:32:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:05,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:32:05,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:32:05,412 INFO L87 Difference]: Start difference. First operand 1129 states and 1583 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:05,986 INFO L93 Difference]: Finished difference Result 2219 states and 3138 transitions. [2024-11-20 21:32:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:32:05,986 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-20 21:32:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:05,994 INFO L225 Difference]: With dead ends: 2219 [2024-11-20 21:32:05,997 INFO L226 Difference]: Without dead ends: 1142 [2024-11-20 21:32:05,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:32:05,999 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 14 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4045 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:05,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4045 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:32:06,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-11-20 21:32:06,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1137. [2024-11-20 21:32:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1095 states have (on average 1.3963470319634703) internal successors, (1529), 1122 states have internal predecessors, (1529), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 21:32:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1593 transitions. [2024-11-20 21:32:06,024 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1593 transitions. Word has length 190 [2024-11-20 21:32:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:06,025 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1593 transitions. [2024-11-20 21:32:06,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:32:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1593 transitions. [2024-11-20 21:32:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 21:32:06,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:06,027 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:06,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 21:32:06,027 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:06,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash -146010771, now seen corresponding path program 1 times [2024-11-20 21:32:06,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:06,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825738156] [2024-11-20 21:32:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:06,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:06,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:32:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 21:32:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 21:32:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 21:32:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825738156] [2024-11-20 21:32:06,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825738156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:32:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140055236] [2024-11-20 21:32:06,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:06,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:32:06,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:32:06,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:32:06,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:32:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:07,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 21:32:07,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:32:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-20 21:32:07,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:32:07,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140055236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:07,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:32:07,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-20 21:32:07,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040647242] [2024-11-20 21:32:07,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:07,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:32:07,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:07,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:32:07,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:32:07,468 INFO L87 Difference]: Start difference. First operand 1137 states and 1593 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:07,510 INFO L93 Difference]: Finished difference Result 2181 states and 3078 transitions. [2024-11-20 21:32:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:32:07,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-20 21:32:07,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:07,515 INFO L225 Difference]: With dead ends: 2181 [2024-11-20 21:32:07,515 INFO L226 Difference]: Without dead ends: 1140 [2024-11-20 21:32:07,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:32:07,517 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 0 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:07,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1979 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:32:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-11-20 21:32:07,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1140. [2024-11-20 21:32:07,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1097 states have (on average 1.3965360072926163) internal successors, (1532), 1125 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-20 21:32:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1600 transitions. [2024-11-20 21:32:07,543 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1600 transitions. Word has length 190 [2024-11-20 21:32:07,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:07,543 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1600 transitions. [2024-11-20 21:32:07,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1600 transitions. [2024-11-20 21:32:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-20 21:32:07,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:07,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:07,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 21:32:07,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:32:07,746 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:07,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:07,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1665522281, now seen corresponding path program 1 times [2024-11-20 21:32:07,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:07,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596282890] [2024-11-20 21:32:07,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:07,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:08,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:32:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 21:32:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 21:32:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 21:32:08,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:08,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596282890] [2024-11-20 21:32:08,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596282890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:32:08,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245237232] [2024-11-20 21:32:08,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:08,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:32:08,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:32:08,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:32:08,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 21:32:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:09,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 21:32:09,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:32:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-20 21:32:09,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:32:09,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245237232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:09,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:32:09,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2024-11-20 21:32:09,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970416736] [2024-11-20 21:32:09,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:09,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:32:09,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:09,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:32:09,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:32:09,166 INFO L87 Difference]: Start difference. First operand 1140 states and 1600 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:09,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:09,412 INFO L93 Difference]: Finished difference Result 2110 states and 2991 transitions. [2024-11-20 21:32:09,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 21:32:09,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 194 [2024-11-20 21:32:09,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:09,416 INFO L225 Difference]: With dead ends: 2110 [2024-11-20 21:32:09,416 INFO L226 Difference]: Without dead ends: 1162 [2024-11-20 21:32:09,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:32:09,418 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 25 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:09,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3627 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 21:32:09,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-20 21:32:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1154. [2024-11-20 21:32:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1111 states have (on average 1.3933393339333933) internal successors, (1548), 1139 states have internal predecessors, (1548), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-20 21:32:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1616 transitions. [2024-11-20 21:32:09,436 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1616 transitions. Word has length 194 [2024-11-20 21:32:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:09,436 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1616 transitions. [2024-11-20 21:32:09,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1616 transitions. [2024-11-20 21:32:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-20 21:32:09,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:09,438 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:09,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 21:32:09,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 21:32:09,639 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:09,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash 541896917, now seen corresponding path program 1 times [2024-11-20 21:32:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366537552] [2024-11-20 21:32:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:10,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:32:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:10,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 21:32:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 21:32:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-20 21:32:10,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:10,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366537552] [2024-11-20 21:32:10,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366537552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:10,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:32:10,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:32:10,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996855768] [2024-11-20 21:32:10,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:10,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:32:10,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:10,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:32:10,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:32:10,455 INFO L87 Difference]: Start difference. First operand 1154 states and 1616 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:11,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 21:32:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:12,131 INFO L93 Difference]: Finished difference Result 2108 states and 2978 transitions. [2024-11-20 21:32:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:32:12,132 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 195 [2024-11-20 21:32:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:12,135 INFO L225 Difference]: With dead ends: 2108 [2024-11-20 21:32:12,135 INFO L226 Difference]: Without dead ends: 1154 [2024-11-20 21:32:12,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:32:12,137 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 23 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4024 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:12,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4024 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 21:32:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2024-11-20 21:32:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1148. [2024-11-20 21:32:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 1105 states have (on average 1.3918552036199094) internal successors, (1538), 1133 states have internal predecessors, (1538), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-20 21:32:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1606 transitions. [2024-11-20 21:32:12,153 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1606 transitions. Word has length 195 [2024-11-20 21:32:12,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:12,154 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1606 transitions. [2024-11-20 21:32:12,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1606 transitions. [2024-11-20 21:32:12,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-20 21:32:12,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:12,155 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:12,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 21:32:12,156 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:12,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:12,156 INFO L85 PathProgramCache]: Analyzing trace with hash -952897340, now seen corresponding path program 1 times [2024-11-20 21:32:12,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:12,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436691807] [2024-11-20 21:32:12,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:12,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:12,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:12,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:32:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:12,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 21:32:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 21:32:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-20 21:32:12,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:12,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436691807] [2024-11-20 21:32:12,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436691807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:32:12,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:32:12,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:32:12,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622157859] [2024-11-20 21:32:12,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:32:12,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:32:12,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:12,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:32:12,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:32:12,617 INFO L87 Difference]: Start difference. First operand 1148 states and 1606 transitions. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:13,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:13,215 INFO L93 Difference]: Finished difference Result 2107 states and 2975 transitions. [2024-11-20 21:32:13,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:32:13,216 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 196 [2024-11-20 21:32:13,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:13,220 INFO L225 Difference]: With dead ends: 2107 [2024-11-20 21:32:13,220 INFO L226 Difference]: Without dead ends: 1158 [2024-11-20 21:32:13,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:32:13,222 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 18 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4046 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:13,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4046 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 21:32:13,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-11-20 21:32:13,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1154. [2024-11-20 21:32:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1111 states have (on average 1.3897389738973898) internal successors, (1544), 1139 states have internal predecessors, (1544), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-20 21:32:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1612 transitions. [2024-11-20 21:32:13,243 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1612 transitions. Word has length 196 [2024-11-20 21:32:13,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:13,244 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1612 transitions. [2024-11-20 21:32:13,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:32:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1612 transitions. [2024-11-20 21:32:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 21:32:13,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:13,246 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:13,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 21:32:13,246 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:13,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:13,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1079561342, now seen corresponding path program 1 times [2024-11-20 21:32:13,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:13,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765279971] [2024-11-20 21:32:13,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:13,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:13,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:32:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 21:32:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:13,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 21:32:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 21:32:13,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:13,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765279971] [2024-11-20 21:32:13,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765279971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:32:13,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879430398] [2024-11-20 21:32:13,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:13,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:32:13,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:32:13,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:32:13,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 21:32:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:14,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 21:32:14,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:32:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-20 21:32:14,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 21:32:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 21:32:14,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879430398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 21:32:14,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 21:32:14,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-20 21:32:14,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535267891] [2024-11-20 21:32:14,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 21:32:14,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:32:14,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:32:14,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:32:14,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:32:14,824 INFO L87 Difference]: Start difference. First operand 1154 states and 1612 transitions. Second operand has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 10 states have internal predecessors, (197), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 21:32:15,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:32:15,205 INFO L93 Difference]: Finished difference Result 2223 states and 3136 transitions. [2024-11-20 21:32:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 21:32:15,205 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 10 states have internal predecessors, (197), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 197 [2024-11-20 21:32:15,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:32:15,209 INFO L225 Difference]: With dead ends: 2223 [2024-11-20 21:32:15,209 INFO L226 Difference]: Without dead ends: 1163 [2024-11-20 21:32:15,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-20 21:32:15,211 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 13 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:32:15,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2510 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:32:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-11-20 21:32:15,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2024-11-20 21:32:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1119 states have (on average 1.390527256478999) internal successors, (1556), 1147 states have internal predecessors, (1556), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (40), 16 states have call predecessors, (40), 32 states have call successors, (40) [2024-11-20 21:32:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1628 transitions. [2024-11-20 21:32:15,228 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1628 transitions. Word has length 197 [2024-11-20 21:32:15,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:32:15,228 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1628 transitions. [2024-11-20 21:32:15,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 10 states have internal predecessors, (197), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-20 21:32:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1628 transitions. [2024-11-20 21:32:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-20 21:32:15,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:32:15,230 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:32:15,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 21:32:15,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 21:32:15,435 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 21:32:15,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:32:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1932051778, now seen corresponding path program 2 times [2024-11-20 21:32:15,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:32:15,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846283196] [2024-11-20 21:32:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:32:15,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:32:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:16,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:32:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 21:32:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 21:32:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 21:32:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:32:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-20 21:32:17,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:32:17,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846283196] [2024-11-20 21:32:17,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846283196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:32:17,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495235828] [2024-11-20 21:32:17,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 21:32:17,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:32:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:32:17,015 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:32:17,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 21:32:17,758 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 21:32:17,758 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 21:32:17,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 164 conjuncts are in the unsatisfiable core [2024-11-20 21:32:17,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:32:17,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-20 21:32:17,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:32:18,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2024-11-20 21:32:18,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-20 21:32:18,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-20 21:32:18,369 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-20 21:32:18,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-20 21:32:18,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-20 21:32:18,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-20 21:32:18,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-20 21:32:18,588 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-20 21:32:18,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-20 21:32:18,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-11-20 21:32:29,348 INFO L224 Elim1Store]: Index analysis took 196 ms