./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:09:28,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:09:28,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:09:28,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:09:28,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:09:28,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:09:28,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:09:28,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:09:28,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:09:28,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:09:28,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:09:28,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:09:28,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:09:28,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:09:28,716 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:09:28,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:09:28,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:09:28,717 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:09:28,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:09:28,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:09:28,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:09:28,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:09:28,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:09:28,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:09:28,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:09:28,722 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:09:28,722 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:09:28,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:09:28,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:09:28,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:09:28,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:09:28,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:09:28,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:09:28,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:09:28,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:09:28,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:09:28,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:09:28,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:09:28,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:09:28,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:09:28,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:09:28,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:09:28,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:09:28,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:09:28,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2024-11-12 20:09:29,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:09:29,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:09:29,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:09:29,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:09:29,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:09:29,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2024-11-12 20:09:30,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:09:30,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:09:30,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2024-11-12 20:09:30,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e65f73d8/7a285e862d6d410cb217c6d27d6f3e1d/FLAG035c390af [2024-11-12 20:09:30,852 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e65f73d8/7a285e862d6d410cb217c6d27d6f3e1d [2024-11-12 20:09:30,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:09:30,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:09:30,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:09:30,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:09:30,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:09:30,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:09:30" (1/1) ... [2024-11-12 20:09:30,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405fa1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:30, skipping insertion in model container [2024-11-12 20:09:30,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:09:30" (1/1) ... [2024-11-12 20:09:30,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:09:31,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:09:31,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:09:31,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:09:31,616 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:09:31,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31 WrapperNode [2024-11-12 20:09:31,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:09:31,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:09:31,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:09:31,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:09:31,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,749 INFO L138 Inliner]: procedures = 177, calls = 724, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3290 [2024-11-12 20:09:31,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:09:31,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:09:31,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:09:31,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:09:31,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,835 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-12 20:09:31,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:09:31,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:09:31,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:09:31,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:09:31,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (1/1) ... [2024-11-12 20:09:31,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:09:31,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:09:31,968 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) [2024-11-12 20:09:31,970 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 [2024-11-12 20:09:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-12 20:09:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-12 20:09:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:09:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:09:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 20:09:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 20:09:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 20:09:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:09:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:09:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:09:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:09:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 20:09:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:09:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:09:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:09:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 20:09:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:09:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:09:32,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:09:32,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:09:34,593 INFO L? ?]: Removed 808 outVars from TransFormulas that were not future-live. [2024-11-12 20:09:34,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:09:34,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:09:34,635 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-12 20:09:34,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:09:34 BoogieIcfgContainer [2024-11-12 20:09:34,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:09:34,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:09:34,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:09:34,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:09:34,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:09:30" (1/3) ... [2024-11-12 20:09:34,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f11e8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:09:34, skipping insertion in model container [2024-11-12 20:09:34,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:09:31" (2/3) ... [2024-11-12 20:09:34,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f11e8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:09:34, skipping insertion in model container [2024-11-12 20:09:34,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:09:34" (3/3) ... [2024-11-12 20:09:34,644 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2024-11-12 20:09:34,657 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:09:34,658 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-12 20:09:34,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:09:34,765 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;@37d583a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:09:34,765 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-12 20:09:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 1388 states, 871 states have (on average 1.8392652123995408) internal successors, (1602), 1381 states have internal predecessors, (1602), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-12 20:09:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 20:09:34,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:34,780 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:09:34,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:34,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:34,787 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-12 20:09:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:34,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319279204] [2024-11-12 20:09:34,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:09:34,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:34,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319279204] [2024-11-12 20:09:34,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319279204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:34,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:34,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 20:09:34,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832666047] [2024-11-12 20:09:34,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:34,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 20:09:34,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:34,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 20:09:34,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 20:09:34,975 INFO L87 Difference]: Start difference. First operand has 1388 states, 871 states have (on average 1.8392652123995408) internal successors, (1602), 1381 states have internal predecessors, (1602), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:35,085 INFO L93 Difference]: Finished difference Result 2772 states and 5721 transitions. [2024-11-12 20:09:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 20:09:35,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 20:09:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:35,115 INFO L225 Difference]: With dead ends: 2772 [2024-11-12 20:09:35,116 INFO L226 Difference]: Without dead ends: 1379 [2024-11-12 20:09:35,125 INFO L434 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 [2024-11-12 20:09:35,127 INFO L435 NwaCegarLoop]: 2549 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, 2549 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 [2024-11-12 20:09:35,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2549 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:09:35,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-12 20:09:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2024-11-12 20:09:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 866 states have (on average 1.7725173210161662) internal successors, (1535), 1373 states have internal predecessors, (1535), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-12 20:09:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2541 transitions. [2024-11-12 20:09:35,395 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 2541 transitions. Word has length 7 [2024-11-12 20:09:35,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:35,396 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 2541 transitions. [2024-11-12 20:09:35,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2541 transitions. [2024-11-12 20:09:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 20:09:35,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:35,396 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:09:35,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 20:09:35,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:35,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:35,397 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-12 20:09:35,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:35,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146275439] [2024-11-12 20:09:35,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:35,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 20:09:35,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704755641] [2024-11-12 20:09:35,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:35,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:09:35,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:09:35,450 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) [2024-11-12 20:09:35,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 20:09:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:35,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 20:09:35,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:09:35,616 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 [2024-11-12 20:09:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:09:35,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:09:35,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:35,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146275439] [2024-11-12 20:09:35,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:09:35,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704755641] [2024-11-12 20:09:35,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704755641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:35,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:35,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:09:35,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977675411] [2024-11-12 20:09:35,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:35,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:09:35,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:35,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:09:35,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:09:35,669 INFO L87 Difference]: Start difference. First operand 1379 states and 2541 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:36,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:36,400 INFO L93 Difference]: Finished difference Result 2748 states and 5073 transitions. [2024-11-12 20:09:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:09:36,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 20:09:36,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:36,414 INFO L225 Difference]: With dead ends: 2748 [2024-11-12 20:09:36,415 INFO L226 Difference]: Without dead ends: 2746 [2024-11-12 20:09:36,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:09:36,416 INFO L435 NwaCegarLoop]: 2794 mSDtfsCounter, 1519 mSDsluCounter, 4807 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7601 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:36,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7601 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 20:09:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-12 20:09:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 1385. [2024-11-12 20:09:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.768348623853211) internal successors, (1542), 1379 states have internal predecessors, (1542), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-12 20:09:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2548 transitions. [2024-11-12 20:09:36,817 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2548 transitions. Word has length 7 [2024-11-12 20:09:36,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:36,818 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2548 transitions. [2024-11-12 20:09:36,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2548 transitions. [2024-11-12 20:09:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-12 20:09:36,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:36,820 INFO L218 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] [2024-11-12 20:09:36,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 20:09:37,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:09:37,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:37,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1584338109, now seen corresponding path program 1 times [2024-11-12 20:09:37,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:37,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231587186] [2024-11-12 20:09:37,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:37,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:09:37,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:37,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231587186] [2024-11-12 20:09:37,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231587186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:37,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:37,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:09:37,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164444341] [2024-11-12 20:09:37,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:37,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:09:37,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:37,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:09:37,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:09:37,330 INFO L87 Difference]: Start difference. First operand 1385 states and 2548 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:37,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:37,988 INFO L93 Difference]: Finished difference Result 3915 states and 7314 transitions. [2024-11-12 20:09:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:09:37,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-12 20:09:37,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:38,006 INFO L225 Difference]: With dead ends: 3915 [2024-11-12 20:09:38,006 INFO L226 Difference]: Without dead ends: 2745 [2024-11-12 20:09:38,011 INFO L434 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 [2024-11-12 20:09:38,013 INFO L435 NwaCegarLoop]: 2767 mSDtfsCounter, 1520 mSDsluCounter, 4781 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 7548 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:38,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 7548 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 20:09:38,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2024-11-12 20:09:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1385. [2024-11-12 20:09:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.7672018348623852) internal successors, (1541), 1379 states have internal predecessors, (1541), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-12 20:09:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2547 transitions. [2024-11-12 20:09:38,256 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2547 transitions. Word has length 64 [2024-11-12 20:09:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:38,257 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2547 transitions. [2024-11-12 20:09:38,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2547 transitions. [2024-11-12 20:09:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-12 20:09:38,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:38,263 INFO L218 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] [2024-11-12 20:09:38,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:09:38,263 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-12 20:09:38,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:38,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919665198] [2024-11-12 20:09:38,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:38,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:09:38,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:38,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919665198] [2024-11-12 20:09:38,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919665198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:38,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:38,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:09:38,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698854600] [2024-11-12 20:09:38,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:38,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:09:38,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:38,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:09:38,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:09:38,514 INFO L87 Difference]: Start difference. First operand 1385 states and 2547 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:38,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:38,597 INFO L93 Difference]: Finished difference Result 2719 states and 5018 transitions. [2024-11-12 20:09:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:09:38,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-12 20:09:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:38,607 INFO L225 Difference]: With dead ends: 2719 [2024-11-12 20:09:38,607 INFO L226 Difference]: Without dead ends: 1342 [2024-11-12 20:09:38,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:09:38,611 INFO L435 NwaCegarLoop]: 2439 mSDtfsCounter, 12 mSDsluCounter, 4857 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7296 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:38,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7296 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:09:38,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-12 20:09:38,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1341. [2024-11-12 20:09:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 828 states have (on average 1.7657004830917875) internal successors, (1462), 1335 states have internal predecessors, (1462), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-12 20:09:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 2468 transitions. [2024-11-12 20:09:38,709 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 2468 transitions. Word has length 81 [2024-11-12 20:09:38,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:38,709 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 2468 transitions. [2024-11-12 20:09:38,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 2468 transitions. [2024-11-12 20:09:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-12 20:09:38,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:38,713 INFO L218 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] [2024-11-12 20:09:38,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:09:38,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:38,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:38,714 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-12 20:09:38,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:38,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842385903] [2024-11-12 20:09:38,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:38,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:09:38,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:38,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842385903] [2024-11-12 20:09:38,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842385903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:38,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:38,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:09:38,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647379675] [2024-11-12 20:09:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:38,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:09:38,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:38,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:09:38,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:09:38,858 INFO L87 Difference]: Start difference. First operand 1341 states and 2468 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:38,963 INFO L93 Difference]: Finished difference Result 3901 states and 7254 transitions. [2024-11-12 20:09:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:09:38,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-12 20:09:38,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:38,980 INFO L225 Difference]: With dead ends: 3901 [2024-11-12 20:09:38,980 INFO L226 Difference]: Without dead ends: 2568 [2024-11-12 20:09:38,985 INFO L434 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 [2024-11-12 20:09:38,988 INFO L435 NwaCegarLoop]: 2913 mSDtfsCounter, 1267 mSDsluCounter, 2444 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 5357 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:38,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 5357 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:09:38,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2024-11-12 20:09:39,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2564. [2024-11-12 20:09:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 1551 states have (on average 1.796260477111541) internal successors, (2786), 2558 states have internal predecessors, (2786), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-12 20:09:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 4792 transitions. [2024-11-12 20:09:39,250 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 4792 transitions. Word has length 81 [2024-11-12 20:09:39,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:39,252 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 4792 transitions. [2024-11-12 20:09:39,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:09:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 4792 transitions. [2024-11-12 20:09:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-12 20:09:39,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:39,255 INFO L218 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] [2024-11-12 20:09:39,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:09:39,255 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:39,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1912807933, now seen corresponding path program 1 times [2024-11-12 20:09:39,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:39,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894764292] [2024-11-12 20:09:39,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:39,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:09:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:39,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:09:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:09:39,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:39,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894764292] [2024-11-12 20:09:39,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894764292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:39,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:39,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:09:39,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873321940] [2024-11-12 20:09:39,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:39,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:09:39,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:39,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:09:39,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:09:39,394 INFO L87 Difference]: Start difference. First operand 2564 states and 4792 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-12 20:09:41,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:41,116 INFO L93 Difference]: Finished difference Result 5101 states and 9559 transitions. [2024-11-12 20:09:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:09:41,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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 96 [2024-11-12 20:09:41,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:41,135 INFO L225 Difference]: With dead ends: 5101 [2024-11-12 20:09:41,136 INFO L226 Difference]: Without dead ends: 2571 [2024-11-12 20:09:41,143 INFO L434 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 [2024-11-12 20:09:41,143 INFO L435 NwaCegarLoop]: 2448 mSDtfsCounter, 7 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5770 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:41,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5770 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 20:09:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states. [2024-11-12 20:09:41,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2568. [2024-11-12 20:09:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 1555 states have (on average 1.7916398713826367) internal successors, (2786), 2562 states have internal predecessors, (2786), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-12 20:09:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 4792 transitions. [2024-11-12 20:09:41,389 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 4792 transitions. Word has length 96 [2024-11-12 20:09:41,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:41,390 INFO L471 AbstractCegarLoop]: Abstraction has 2568 states and 4792 transitions. [2024-11-12 20:09:41,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-12 20:09:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 4792 transitions. [2024-11-12 20:09:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-12 20:09:41,391 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:41,391 INFO L218 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] [2024-11-12 20:09:41,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 20:09:41,392 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:41,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:41,392 INFO L85 PathProgramCache]: Analyzing trace with hash -695979525, now seen corresponding path program 1 times [2024-11-12 20:09:41,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:41,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111908965] [2024-11-12 20:09:41,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:41,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:09:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:09:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:09:41,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:41,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111908965] [2024-11-12 20:09:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111908965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:41,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:09:41,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:09:41,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916598979] [2024-11-12 20:09:41,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:41,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:09:41,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:41,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:09:41,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:09:41,725 INFO L87 Difference]: Start difference. First operand 2568 states and 4792 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2024-11-12 20:09:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:45,742 INFO L93 Difference]: Finished difference Result 4813 states and 9142 transitions. [2024-11-12 20:09:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 20:09:45,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 96 [2024-11-12 20:09:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:45,790 INFO L225 Difference]: With dead ends: 4813 [2024-11-12 20:09:45,790 INFO L226 Difference]: Without dead ends: 4811 [2024-11-12 20:09:45,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:09:45,792 INFO L435 NwaCegarLoop]: 2729 mSDtfsCounter, 1357 mSDsluCounter, 4806 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 7535 SdHoareTripleChecker+Invalid, 3682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:45,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 7535 Invalid, 3682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2676 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-12 20:09:45,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2024-11-12 20:09:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 2632. [2024-11-12 20:09:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 1616 states have (on average 1.7722772277227723) internal successors, (2864), 2623 states have internal predecessors, (2864), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-12 20:09:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4876 transitions. [2024-11-12 20:09:46,256 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4876 transitions. Word has length 96 [2024-11-12 20:09:46,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:46,256 INFO L471 AbstractCegarLoop]: Abstraction has 2632 states and 4876 transitions. [2024-11-12 20:09:46,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2024-11-12 20:09:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4876 transitions. [2024-11-12 20:09:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 20:09:46,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:46,257 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:09:46,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 20:09:46,258 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:46,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:46,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1045681626, now seen corresponding path program 1 times [2024-11-12 20:09:46,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:46,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644497991] [2024-11-12 20:09:46,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:46,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:09:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:46,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:09:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:09:46,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:46,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644497991] [2024-11-12 20:09:46,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644497991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:09:46,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542467702] [2024-11-12 20:09:46,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:46,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:09:46,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:09:46,779 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) [2024-11-12 20:09:46,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 20:09:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:47,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-12 20:09:47,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:09:47,059 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 [2024-11-12 20:09:47,076 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 [2024-11-12 20:09:47,093 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 27 treesize of output 11 [2024-11-12 20:09:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:09:47,817 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:09:47,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542467702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:09:47,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:09:47,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-12 20:09:47,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141622290] [2024-11-12 20:09:47,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:09:47,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:09:47,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:09:47,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:09:47,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-12 20:09:47,820 INFO L87 Difference]: Start difference. First operand 2632 states and 4876 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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) [2024-11-12 20:09:50,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:09:50,282 INFO L93 Difference]: Finished difference Result 7396 states and 13958 transitions. [2024-11-12 20:09:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:09:50,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 102 [2024-11-12 20:09:50,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:09:50,306 INFO L225 Difference]: With dead ends: 7396 [2024-11-12 20:09:50,307 INFO L226 Difference]: Without dead ends: 4810 [2024-11-12 20:09:50,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-12 20:09:50,315 INFO L435 NwaCegarLoop]: 2689 mSDtfsCounter, 1552 mSDsluCounter, 20146 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 22835 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:09:50,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2054 Valid, 22835 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 20:09:50,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2024-11-12 20:09:50,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 2632. [2024-11-12 20:09:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 1616 states have (on average 1.7716584158415842) internal successors, (2863), 2623 states have internal predecessors, (2863), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-12 20:09:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4875 transitions. [2024-11-12 20:09:50,792 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4875 transitions. Word has length 102 [2024-11-12 20:09:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:09:50,792 INFO L471 AbstractCegarLoop]: Abstraction has 2632 states and 4875 transitions. [2024-11-12 20:09:50,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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) [2024-11-12 20:09:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4875 transitions. [2024-11-12 20:09:50,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-12 20:09:50,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:09:50,794 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:09:50,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 20:09:50,994 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,SelfDestructingSolverStorable7 [2024-11-12 20:09:50,994 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:09:50,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:09:50,995 INFO L85 PathProgramCache]: Analyzing trace with hash -483986509, now seen corresponding path program 1 times [2024-11-12 20:09:50,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:09:50,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310490623] [2024-11-12 20:09:50,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:50,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:09:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 20:09:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 20:09:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:09:51,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:09:51,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310490623] [2024-11-12 20:09:51,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310490623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:09:51,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838387298] [2024-11-12 20:09:51,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:09:51,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:09:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:09:51,244 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) [2024-11-12 20:09:51,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 20:09:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:09:51,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-12 20:09:51,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:10:45,424 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)