./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:24:21,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:24:21,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:24:21,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:24:21,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:24:21,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:24:21,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:24:21,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:24:21,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:24:21,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:24:21,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:24:21,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:24:21,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:24:21,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:24:21,570 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:24:21,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:24:21,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:24:21,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:24:21,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:24:21,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:24:21,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:24:21,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:24:21,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:24:21,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:24:21,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:24:21,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:24:21,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:24:21,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:24:21,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:24:21,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:24:21,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:24:21,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:24:21,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:24:21,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:24:21,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:24:21,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:24:21,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:24:21,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:24:21,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:24:21,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:24:21,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:24:21,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:24:21,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:24:21,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:24:21,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-20 21:24:21,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:24:21,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:24:21,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:24:21,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:24:21,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:24:21,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2024-11-20 21:24:23,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:24:23,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:24:23,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2024-11-20 21:24:23,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f669bc2/11153607b31c456dac90c883da0e5ec4/FLAG5e0ae621e [2024-11-20 21:24:23,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f669bc2/11153607b31c456dac90c883da0e5ec4 [2024-11-20 21:24:23,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:24:24,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:24:24,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:24:24,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:24:24,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:24:24,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:24:23" (1/1) ... [2024-11-20 21:24:24,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22051257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24, skipping insertion in model container [2024-11-20 21:24:24,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:24:23" (1/1) ... [2024-11-20 21:24:24,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:24:24,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:24:24,654 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:24:24,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:24:24,811 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:24:24,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24 WrapperNode [2024-11-20 21:24:24,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:24:24,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:24:24,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:24:24,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:24:24,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:24,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:24,943 INFO L138 Inliner]: procedures = 207, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1451 [2024-11-20 21:24:24,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:24:24,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:24:24,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:24:24,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:24:24,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:24,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:24,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,078 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-20 21:24:25,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:24:25,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:24:25,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:24:25,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:24:25,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (1/1) ... [2024-11-20 21:24:25,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:24:25,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:25,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 21:24:25,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 21:24:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:24:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:24:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:24:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:24:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:24:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:24:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:24:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:24:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:24:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:24:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:24:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:24:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:24:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:24:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:24:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:24:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:24:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:24:25,580 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:24:25,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:24:27,221 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-20 21:24:27,221 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:24:27,251 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:24:27,251 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-20 21:24:27,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:24:27 BoogieIcfgContainer [2024-11-20 21:24:27,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:24:27,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:24:27,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:24:27,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:24:27,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:24:23" (1/3) ... [2024-11-20 21:24:27,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7041d4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:24:27, skipping insertion in model container [2024-11-20 21:24:27,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:24:24" (2/3) ... [2024-11-20 21:24:27,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7041d4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:24:27, skipping insertion in model container [2024-11-20 21:24:27,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:24:27" (3/3) ... [2024-11-20 21:24:27,263 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test2-2.i [2024-11-20 21:24:27,281 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:24:27,282 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 21:24:27,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:24:27,381 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;@5601d86a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:24:27,382 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 21:24:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 402 states have (on average 1.6243781094527363) internal successors, (653), 408 states have internal predecessors, (653), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:24:27,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:27,396 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:27,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:27,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-20 21:24:27,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:27,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101188140] [2024-11-20 21:24:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:27,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:27,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101188140] [2024-11-20 21:24:27,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101188140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:27,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:27,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:24:27,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862326461] [2024-11-20 21:24:27,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:27,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 21:24:27,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:27,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 21:24:27,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:24:27,633 INFO L87 Difference]: Start difference. First operand has 413 states, 402 states have (on average 1.6243781094527363) internal successors, (653), 408 states have internal predecessors, (653), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:27,700 INFO L93 Difference]: Finished difference Result 822 states and 1313 transitions. [2024-11-20 21:24:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 21:24:27,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 21:24:27,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:27,715 INFO L225 Difference]: With dead ends: 822 [2024-11-20 21:24:27,715 INFO L226 Difference]: Without dead ends: 372 [2024-11-20 21:24:27,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:24:27,723 INFO L432 NwaCegarLoop]: 589 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, 589 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:27,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:24:27,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-20 21:24:27,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-20 21:24:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 362 states have (on average 1.4613259668508287) internal successors, (529), 367 states have internal predecessors, (529), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 535 transitions. [2024-11-20 21:24:27,791 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 535 transitions. Word has length 8 [2024-11-20 21:24:27,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:27,792 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 535 transitions. [2024-11-20 21:24:27,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 535 transitions. [2024-11-20 21:24:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:24:27,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:27,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:27,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:24:27,794 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:27,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:27,794 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-20 21:24:27,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:27,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172873833] [2024-11-20 21:24:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:27,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:24:27,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [432995773] [2024-11-20 21:24:27,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:27,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:27,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:27,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:24:27,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:24:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:28,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 21:24:28,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:24:28,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:24:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:28,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:24:28,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:28,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172873833] [2024-11-20 21:24:28,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:24:28,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432995773] [2024-11-20 21:24:28,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432995773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:28,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:28,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:24:28,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898504265] [2024-11-20 21:24:28,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:28,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:24:28,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:28,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:24:28,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:24:28,204 INFO L87 Difference]: Start difference. First operand 372 states and 535 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:28,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:28,373 INFO L93 Difference]: Finished difference Result 737 states and 1063 transitions. [2024-11-20 21:24:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:24:28,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 21:24:28,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:28,380 INFO L225 Difference]: With dead ends: 737 [2024-11-20 21:24:28,381 INFO L226 Difference]: Without dead ends: 735 [2024-11-20 21:24:28,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:24:28,384 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 515 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:28,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1530 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:24:28,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-20 21:24:28,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 378. [2024-11-20 21:24:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 373 states have internal predecessors, (536), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 542 transitions. [2024-11-20 21:24:28,419 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 542 transitions. Word has length 8 [2024-11-20 21:24:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:28,419 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 542 transitions. [2024-11-20 21:24:28,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 542 transitions. [2024-11-20 21:24:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 21:24:28,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:28,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:28,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 21:24:28,624 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 [2024-11-20 21:24:28,624 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:28,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:28,625 INFO L85 PathProgramCache]: Analyzing trace with hash -586343401, now seen corresponding path program 1 times [2024-11-20 21:24:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:28,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359634921] [2024-11-20 21:24:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:28,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:28,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359634921] [2024-11-20 21:24:28,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359634921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:28,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:28,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:24:28,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042133349] [2024-11-20 21:24:28,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:28,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:24:28,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:28,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:24:28,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:24:28,922 INFO L87 Difference]: Start difference. First operand 378 states and 542 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:29,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:29,006 INFO L93 Difference]: Finished difference Result 542 states and 781 transitions. [2024-11-20 21:24:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:24:29,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-20 21:24:29,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:29,010 INFO L225 Difference]: With dead ends: 542 [2024-11-20 21:24:29,011 INFO L226 Difference]: Without dead ends: 381 [2024-11-20 21:24:29,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:24:29,014 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 105 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:29,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1428 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:24:29,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-20 21:24:29,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2024-11-20 21:24:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.4375) internal successors, (529), 373 states have internal predecessors, (529), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 535 transitions. [2024-11-20 21:24:29,040 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 535 transitions. Word has length 68 [2024-11-20 21:24:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:29,041 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 535 transitions. [2024-11-20 21:24:29,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 535 transitions. [2024-11-20 21:24:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-20 21:24:29,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:29,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:29,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:24:29,047 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:29,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:29,048 INFO L85 PathProgramCache]: Analyzing trace with hash -803669085, now seen corresponding path program 1 times [2024-11-20 21:24:29,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:29,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415498088] [2024-11-20 21:24:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:29,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:29,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415498088] [2024-11-20 21:24:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415498088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:29,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:29,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:24:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901405145] [2024-11-20 21:24:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:29,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:24:29,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:24:29,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:24:29,385 INFO L87 Difference]: Start difference. First operand 378 states and 535 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:29,490 INFO L93 Difference]: Finished difference Result 735 states and 1047 transitions. [2024-11-20 21:24:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:24:29,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-20 21:24:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:29,495 INFO L225 Difference]: With dead ends: 735 [2024-11-20 21:24:29,497 INFO L226 Difference]: Without dead ends: 733 [2024-11-20 21:24:29,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:24:29,499 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 449 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:29,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1532 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:24:29,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-20 21:24:29,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 537. [2024-11-20 21:24:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 527 states have (on average 1.4345351043643264) internal successors, (756), 532 states have internal predecessors, (756), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 762 transitions. [2024-11-20 21:24:29,523 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 762 transitions. Word has length 68 [2024-11-20 21:24:29,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:29,524 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 762 transitions. [2024-11-20 21:24:29,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 762 transitions. [2024-11-20 21:24:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:24:29,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:29,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:29,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:24:29,529 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:29,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:29,530 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-20 21:24:29,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:29,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945472900] [2024-11-20 21:24:29,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:29,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:29,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:29,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945472900] [2024-11-20 21:24:29,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945472900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:29,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:29,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:24:29,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539059248] [2024-11-20 21:24:29,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:29,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:24:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:24:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:24:29,763 INFO L87 Difference]: Start difference. First operand 537 states and 762 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:29,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:29,845 INFO L93 Difference]: Finished difference Result 1023 states and 1448 transitions. [2024-11-20 21:24:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:24:29,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-20 21:24:29,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:29,849 INFO L225 Difference]: With dead ends: 1023 [2024-11-20 21:24:29,849 INFO L226 Difference]: Without dead ends: 495 [2024-11-20 21:24:29,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:24:29,853 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 36 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:29,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1255 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:24:29,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-20 21:24:29,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-20 21:24:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 485 states have (on average 1.4) internal successors, (679), 490 states have internal predecessors, (679), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 685 transitions. [2024-11-20 21:24:29,871 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 685 transitions. Word has length 82 [2024-11-20 21:24:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:29,871 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 685 transitions. [2024-11-20 21:24:29,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 685 transitions. [2024-11-20 21:24:29,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:24:29,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:29,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:29,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:24:29,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:29,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-20 21:24:29,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:29,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065141209] [2024-11-20 21:24:29,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:29,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:30,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:30,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065141209] [2024-11-20 21:24:30,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065141209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:30,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:30,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:24:30,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676794362] [2024-11-20 21:24:30,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:30,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:24:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:30,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:24:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:24:30,066 INFO L87 Difference]: Start difference. First operand 495 states and 685 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:30,129 INFO L93 Difference]: Finished difference Result 975 states and 1354 transitions. [2024-11-20 21:24:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:24:30,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-20 21:24:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:30,132 INFO L225 Difference]: With dead ends: 975 [2024-11-20 21:24:30,132 INFO L226 Difference]: Without dead ends: 489 [2024-11-20 21:24:30,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:24:30,134 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 9 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:30,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1256 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:24:30,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-20 21:24:30,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-20 21:24:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 479 states have (on average 1.3966597077244258) internal successors, (669), 484 states have internal predecessors, (669), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 675 transitions. [2024-11-20 21:24:30,151 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 675 transitions. Word has length 82 [2024-11-20 21:24:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:30,152 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 675 transitions. [2024-11-20 21:24:30,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 675 transitions. [2024-11-20 21:24:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:24:30,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:30,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:30,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:24:30,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:30,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:30,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-20 21:24:30,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:30,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695076057] [2024-11-20 21:24:30,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:30,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:30,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:30,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695076057] [2024-11-20 21:24:30,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695076057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:30,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:30,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:24:30,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559572463] [2024-11-20 21:24:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:30,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:24:30,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:30,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:24:30,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:24:30,308 INFO L87 Difference]: Start difference. First operand 489 states and 675 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:30,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:30,380 INFO L93 Difference]: Finished difference Result 1327 states and 1846 transitions. [2024-11-20 21:24:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:24:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-20 21:24:30,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:30,384 INFO L225 Difference]: With dead ends: 1327 [2024-11-20 21:24:30,384 INFO L226 Difference]: Without dead ends: 847 [2024-11-20 21:24:30,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:24:30,386 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 255 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:30,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 865 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:24:30,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-20 21:24:30,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2024-11-20 21:24:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 835 states have (on average 1.4035928143712575) internal successors, (1172), 840 states have internal predecessors, (1172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:24:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1178 transitions. [2024-11-20 21:24:30,407 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1178 transitions. Word has length 82 [2024-11-20 21:24:30,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:30,407 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1178 transitions. [2024-11-20 21:24:30,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:24:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1178 transitions. [2024-11-20 21:24:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 21:24:30,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:30,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:30,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:24:30,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:30,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:30,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1392584206, now seen corresponding path program 1 times [2024-11-20 21:24:30,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:30,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034862513] [2024-11-20 21:24:30,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:30,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:30,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:24:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:30,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:24:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:30,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:30,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034862513] [2024-11-20 21:24:30,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034862513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:30,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:30,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:24:30,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281030355] [2024-11-20 21:24:30,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:30,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:24:30,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:30,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:24:30,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:24:30,848 INFO L87 Difference]: Start difference. First operand 845 states and 1178 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:31,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:31,117 INFO L93 Difference]: Finished difference Result 914 states and 1273 transitions. [2024-11-20 21:24:31,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:24:31,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 97 [2024-11-20 21:24:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:31,124 INFO L225 Difference]: With dead ends: 914 [2024-11-20 21:24:31,124 INFO L226 Difference]: Without dead ends: 912 [2024-11-20 21:24:31,124 INFO L431 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 [2024-11-20 21:24:31,125 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 338 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:31,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1640 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 21:24:31,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-20 21:24:31,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 909. [2024-11-20 21:24:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 896 states have (on average 1.3950892857142858) internal successors, (1250), 901 states have internal predecessors, (1250), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1262 transitions. [2024-11-20 21:24:31,150 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1262 transitions. Word has length 97 [2024-11-20 21:24:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:31,151 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1262 transitions. [2024-11-20 21:24:31,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1262 transitions. [2024-11-20 21:24:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 21:24:31,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:31,153 INFO L215 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] [2024-11-20 21:24:31,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:24:31,153 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:31,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:31,154 INFO L85 PathProgramCache]: Analyzing trace with hash 143759313, now seen corresponding path program 1 times [2024-11-20 21:24:31,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:31,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938777948] [2024-11-20 21:24:31,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:24:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:31,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:24:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:24:31,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:31,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938777948] [2024-11-20 21:24:31,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938777948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:24:31,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715381480] [2024-11-20 21:24:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:31,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:31,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:31,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:24:31,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:24:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:32,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 21:24:32,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:24:32,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:24:32,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:24:32,127 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 [2024-11-20 21:24:32,685 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 21:24:32,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-11-20 21:24:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:33,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:24:33,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715381480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:33,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:24:33,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-20 21:24:33,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35303355] [2024-11-20 21:24:33,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:33,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:24:33,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:33,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:24:33,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-20 21:24:33,097 INFO L87 Difference]: Start difference. First operand 909 states and 1262 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:35,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:35,337 INFO L93 Difference]: Finished difference Result 1647 states and 2290 transitions. [2024-11-20 21:24:35,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:24:35,338 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 103 [2024-11-20 21:24:35,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:35,342 INFO L225 Difference]: With dead ends: 1647 [2024-11-20 21:24:35,342 INFO L226 Difference]: Without dead ends: 909 [2024-11-20 21:24:35,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-20 21:24:35,344 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 517 mSDsluCounter, 2280 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 2733 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:35,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 2733 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 21:24:35,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-20 21:24:35,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-20 21:24:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 896 states have (on average 1.3939732142857142) internal successors, (1249), 901 states have internal predecessors, (1249), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1261 transitions. [2024-11-20 21:24:35,368 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1261 transitions. Word has length 103 [2024-11-20 21:24:35,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:35,369 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1261 transitions. [2024-11-20 21:24:35,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1261 transitions. [2024-11-20 21:24:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 21:24:35,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:35,370 INFO L215 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, 1] [2024-11-20 21:24:35,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 21:24:35,574 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,SelfDestructingSolverStorable8 [2024-11-20 21:24:35,575 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:35,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:35,575 INFO L85 PathProgramCache]: Analyzing trace with hash 968294038, now seen corresponding path program 1 times [2024-11-20 21:24:35,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:35,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118006342] [2024-11-20 21:24:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:24:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:24:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:24:36,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:36,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118006342] [2024-11-20 21:24:36,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118006342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:24:36,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782150986] [2024-11-20 21:24:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:36,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:36,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:36,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:24:36,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:24:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:36,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 21:24:36,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:24:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:36,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:24:36,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782150986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:36,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:24:36,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-20 21:24:36,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238945839] [2024-11-20 21:24:36,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:36,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:24:36,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:36,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:24:36,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:24:36,859 INFO L87 Difference]: Start difference. First operand 909 states and 1261 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:37,201 INFO L93 Difference]: Finished difference Result 1657 states and 2305 transitions. [2024-11-20 21:24:37,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:24:37,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 104 [2024-11-20 21:24:37,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:37,205 INFO L225 Difference]: With dead ends: 1657 [2024-11-20 21:24:37,205 INFO L226 Difference]: Without dead ends: 919 [2024-11-20 21:24:37,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:24:37,207 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 11 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:37,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2204 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:24:37,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-11-20 21:24:37,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 917. [2024-11-20 21:24:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 904 states have (on average 1.3904867256637168) internal successors, (1257), 909 states have internal predecessors, (1257), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1269 transitions. [2024-11-20 21:24:37,230 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1269 transitions. Word has length 104 [2024-11-20 21:24:37,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:37,231 INFO L471 AbstractCegarLoop]: Abstraction has 917 states and 1269 transitions. [2024-11-20 21:24:37,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1269 transitions. [2024-11-20 21:24:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 21:24:37,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:37,233 INFO L215 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, 1, 1, 1] [2024-11-20 21:24:37,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 21:24:37,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:37,434 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:37,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:37,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1538810851, now seen corresponding path program 1 times [2024-11-20 21:24:37,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:37,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122226816] [2024-11-20 21:24:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:37,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:37,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 21:24:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 21:24:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:37,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:37,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122226816] [2024-11-20 21:24:37,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122226816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:37,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:37,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:24:37,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340003824] [2024-11-20 21:24:37,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:37,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:24:37,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:24:37,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:24:37,826 INFO L87 Difference]: Start difference. First operand 917 states and 1269 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:38,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:38,248 INFO L93 Difference]: Finished difference Result 1669 states and 2320 transitions. [2024-11-20 21:24:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:24:38,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 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 106 [2024-11-20 21:24:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:38,252 INFO L225 Difference]: With dead ends: 1669 [2024-11-20 21:24:38,253 INFO L226 Difference]: Without dead ends: 926 [2024-11-20 21:24:38,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:24:38,254 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 7 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:38,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1890 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 21:24:38,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-11-20 21:24:38,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 923. [2024-11-20 21:24:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 910 states have (on average 1.3879120879120879) internal successors, (1263), 915 states have internal predecessors, (1263), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1275 transitions. [2024-11-20 21:24:38,278 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1275 transitions. Word has length 106 [2024-11-20 21:24:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:38,279 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1275 transitions. [2024-11-20 21:24:38,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1275 transitions. [2024-11-20 21:24:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 21:24:38,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:38,281 INFO L215 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, 1, 1, 1] [2024-11-20 21:24:38,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 21:24:38,281 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:38,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:38,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1617390031, now seen corresponding path program 1 times [2024-11-20 21:24:38,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:38,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568531454] [2024-11-20 21:24:38,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:38,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 21:24:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:38,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 21:24:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:38,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:38,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568531454] [2024-11-20 21:24:38,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568531454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:38,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:38,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:24:38,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215605994] [2024-11-20 21:24:38,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:38,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:24:38,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:24:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:24:38,619 INFO L87 Difference]: Start difference. First operand 923 states and 1275 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:39,170 INFO L93 Difference]: Finished difference Result 1671 states and 2319 transitions. [2024-11-20 21:24:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:24:39,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 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 106 [2024-11-20 21:24:39,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:39,174 INFO L225 Difference]: With dead ends: 1671 [2024-11-20 21:24:39,174 INFO L226 Difference]: Without dead ends: 936 [2024-11-20 21:24:39,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:24:39,176 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 11 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:39,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2563 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:24:39,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-20 21:24:39,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 923. [2024-11-20 21:24:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 910 states have (on average 1.3879120879120879) internal successors, (1263), 915 states have internal predecessors, (1263), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1275 transitions. [2024-11-20 21:24:39,197 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1275 transitions. Word has length 106 [2024-11-20 21:24:39,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:39,198 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1275 transitions. [2024-11-20 21:24:39,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1275 transitions. [2024-11-20 21:24:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 21:24:39,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:39,200 INFO L215 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, 1, 1, 1, 1] [2024-11-20 21:24:39,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 21:24:39,200 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:39,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:39,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1122446208, now seen corresponding path program 1 times [2024-11-20 21:24:39,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:39,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537735122] [2024-11-20 21:24:39,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:39,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:39,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 21:24:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:39,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 21:24:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:39,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:39,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537735122] [2024-11-20 21:24:39,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537735122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:39,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:39,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 21:24:39,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057875420] [2024-11-20 21:24:39,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:39,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:24:39,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:39,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:24:39,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:24:39,589 INFO L87 Difference]: Start difference. First operand 923 states and 1275 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:40,193 INFO L93 Difference]: Finished difference Result 1676 states and 2323 transitions. [2024-11-20 21:24:40,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 21:24:40,194 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 107 [2024-11-20 21:24:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:40,198 INFO L225 Difference]: With dead ends: 1676 [2024-11-20 21:24:40,198 INFO L226 Difference]: Without dead ends: 946 [2024-11-20 21:24:40,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:24:40,199 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 19 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:40,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3346 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 21:24:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-20 21:24:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 937. [2024-11-20 21:24:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 924 states have (on average 1.3863636363636365) internal successors, (1281), 929 states have internal predecessors, (1281), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1293 transitions. [2024-11-20 21:24:40,223 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1293 transitions. Word has length 107 [2024-11-20 21:24:40,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:40,223 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1293 transitions. [2024-11-20 21:24:40,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1293 transitions. [2024-11-20 21:24:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 21:24:40,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:40,225 INFO L215 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, 1, 1, 1, 1] [2024-11-20 21:24:40,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 21:24:40,225 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:40,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash 747973660, now seen corresponding path program 1 times [2024-11-20 21:24:40,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:40,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748813361] [2024-11-20 21:24:40,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:40,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 21:24:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:40,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 21:24:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:24:40,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:40,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748813361] [2024-11-20 21:24:40,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748813361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:24:40,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860279431] [2024-11-20 21:24:40,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:40,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:24:40,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 21:24:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:40,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 21:24:40,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:24:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:41,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:24:41,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860279431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:41,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:24:41,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-20 21:24:41,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573704719] [2024-11-20 21:24:41,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:41,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:24:41,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:41,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:24:41,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:24:41,097 INFO L87 Difference]: Start difference. First operand 937 states and 1293 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:41,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:41,432 INFO L93 Difference]: Finished difference Result 1684 states and 2329 transitions. [2024-11-20 21:24:41,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:24:41,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 107 [2024-11-20 21:24:41,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:41,437 INFO L225 Difference]: With dead ends: 1684 [2024-11-20 21:24:41,437 INFO L226 Difference]: Without dead ends: 947 [2024-11-20 21:24:41,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 21:24:41,439 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 32 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2222 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:41,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2222 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:24:41,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-20 21:24:41,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 941. [2024-11-20 21:24:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 928 states have (on average 1.384698275862069) internal successors, (1285), 933 states have internal predecessors, (1285), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1297 transitions. [2024-11-20 21:24:41,467 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1297 transitions. Word has length 107 [2024-11-20 21:24:41,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:41,468 INFO L471 AbstractCegarLoop]: Abstraction has 941 states and 1297 transitions. [2024-11-20 21:24:41,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1297 transitions. [2024-11-20 21:24:41,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 21:24:41,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:41,470 INFO L215 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, 1, 1, 1, 1, 1] [2024-11-20 21:24:41,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 21:24:41,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:41,674 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:41,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:41,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1443892995, now seen corresponding path program 1 times [2024-11-20 21:24:41,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:41,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006986345] [2024-11-20 21:24:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:42,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:24:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 21:24:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:24:42,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:42,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006986345] [2024-11-20 21:24:42,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006986345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:42,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:24:42,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 21:24:42,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128858231] [2024-11-20 21:24:42,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:42,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:24:42,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:24:42,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:24:42,107 INFO L87 Difference]: Start difference. First operand 941 states and 1297 transitions. Second operand has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:42,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:42,735 INFO L93 Difference]: Finished difference Result 1706 states and 2362 transitions. [2024-11-20 21:24:42,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:24:42,736 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 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 108 [2024-11-20 21:24:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:42,741 INFO L225 Difference]: With dead ends: 1706 [2024-11-20 21:24:42,741 INFO L226 Difference]: Without dead ends: 962 [2024-11-20 21:24:42,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:24:42,744 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 22 mSDsluCounter, 2940 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:42,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3366 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 21:24:42,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-20 21:24:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 947. [2024-11-20 21:24:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 934 states have (on average 1.3822269807280514) internal successors, (1291), 939 states have internal predecessors, (1291), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:24:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1303 transitions. [2024-11-20 21:24:42,767 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1303 transitions. Word has length 108 [2024-11-20 21:24:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:42,768 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1303 transitions. [2024-11-20 21:24:42,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:24:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1303 transitions. [2024-11-20 21:24:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 21:24:42,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:42,770 INFO L215 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, 1, 1, 1, 1, 1] [2024-11-20 21:24:42,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 21:24:42,771 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:42,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:42,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1574821401, now seen corresponding path program 1 times [2024-11-20 21:24:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:42,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274767499] [2024-11-20 21:24:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:24:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 21:24:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:24:43,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274767499] [2024-11-20 21:24:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274767499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:24:43,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394452121] [2024-11-20 21:24:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:43,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:43,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:43,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:24:43,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 21:24:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:43,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 21:24:43,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:24:43,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:24:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:24:43,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:24:43,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394452121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:24:43,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:24:43,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-11-20 21:24:43,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124833231] [2024-11-20 21:24:43,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:24:43,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:24:43,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:24:43,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:24:43,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:24:43,698 INFO L87 Difference]: Start difference. First operand 947 states and 1303 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 21:24:43,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:24:43,854 INFO L93 Difference]: Finished difference Result 1666 states and 2295 transitions. [2024-11-20 21:24:43,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:24:43,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 108 [2024-11-20 21:24:43,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:24:43,859 INFO L225 Difference]: With dead ends: 1666 [2024-11-20 21:24:43,859 INFO L226 Difference]: Without dead ends: 959 [2024-11-20 21:24:43,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:24:43,860 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 384 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:24:43,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 2087 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:24:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2024-11-20 21:24:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 950. [2024-11-20 21:24:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 936 states have (on average 1.3824786324786325) internal successors, (1294), 942 states have internal predecessors, (1294), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 21:24:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1308 transitions. [2024-11-20 21:24:43,885 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1308 transitions. Word has length 108 [2024-11-20 21:24:43,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:24:43,886 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1308 transitions. [2024-11-20 21:24:43,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 21:24:43,886 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1308 transitions. [2024-11-20 21:24:43,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-20 21:24:43,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:24:43,887 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:24:43,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 21:24:44,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 21:24:44,089 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:24:44,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:24:44,089 INFO L85 PathProgramCache]: Analyzing trace with hash -934630395, now seen corresponding path program 1 times [2024-11-20 21:24:44,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:24:44,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380899301] [2024-11-20 21:24:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:44,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:24:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:24:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 21:24:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:24:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:24:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380899301] [2024-11-20 21:24:44,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380899301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:24:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401843591] [2024-11-20 21:24:44,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:24:44,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:24:44,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:24:44,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:24:44,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 21:24:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:24:45,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-20 21:24:45,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:24:45,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:24:45,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-20 21:24:45,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:24:45,185 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 [2024-11-20 21:24:45,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-11-20 21:24:45,470 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 19 treesize of output 1 [2024-11-20 21:24:45,487 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-20 21:24:45,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-20 21:24:45,495 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 13 treesize of output 9 [2024-11-20 21:24:45,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2024-11-20 21:24:45,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-20 21:24:45,697 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-20 21:24:45,698 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-20 21:24:45,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2024-11-20 21:25:44,292 INFO L224 Elim1Store]: Index analysis took 1279 ms