./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.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 be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:20:21,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:20:21,654 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:20:21,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:20:21,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:20:21,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:20:21,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:20:21,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:20:21,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:20:21,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:20:21,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:20:21,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:20:21,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:20:21,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:20:21,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:20:21,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:20:21,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:20:21,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:20:21,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:20:21,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:20:21,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:20:21,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:20:21,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:20:21,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:20:21,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:20:21,703 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:20:21,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:20:21,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:20:21,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:20:21,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:20:21,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:20:21,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:20:21,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:20:21,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:20:21,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:20:21,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:20:21,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:20:21,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:20:21,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:20:21,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:20:21,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:20:21,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:20:21,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:20:21,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:20:21,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-23 01:20:21,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:20:21,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:20:21,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:20:21,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:20:21,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:20:21,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2024-11-23 01:20:23,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:20:23,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:20:23,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2024-11-23 01:20:23,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30f8248c/22098dd8dfe3411eb6e6165bf45f63cd/FLAGeb0450fcc [2024-11-23 01:20:23,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f30f8248c/22098dd8dfe3411eb6e6165bf45f63cd [2024-11-23 01:20:23,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:20:23,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:20:23,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:20:23,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:20:23,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:20:23,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:23" (1/1) ... [2024-11-23 01:20:23,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7615c1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:23, skipping insertion in model container [2024-11-23 01:20:23,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:23" (1/1) ... [2024-11-23 01:20:23,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:20:24,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:20:24,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:20:24,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:20:24,636 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:20:24,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24 WrapperNode [2024-11-23 01:20:24,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:20:24,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:20:24,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:20:24,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:20:24,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,766 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1608 [2024-11-23 01:20:24,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:20:24,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:20:24,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:20:24,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:20:24,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,909 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 266, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-11-23 01:20:24,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:24,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:25,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:25,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:20:25,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:20:25,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:20:25,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:20:25,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (1/1) ... [2024-11-23 01:20:25,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:20:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:25,062 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) [2024-11-23 01:20:25,064 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 [2024-11-23 01:20:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 01:20:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 01:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:20:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:20:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 01:20:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 01:20:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 01:20:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 01:20:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 01:20:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 01:20:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:20:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:20:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:20:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:20:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:20:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:20:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:20:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:20:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:20:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:20:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:20:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:20:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:20:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:20:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:20:25,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:20:25,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:20:27,142 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-11-23 01:20:27,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:20:27,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:20:27,174 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-23 01:20:27,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:27 BoogieIcfgContainer [2024-11-23 01:20:27,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:20:27,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:20:27,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:20:27,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:20:27,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:20:23" (1/3) ... [2024-11-23 01:20:27,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70eeb009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:20:27, skipping insertion in model container [2024-11-23 01:20:27,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24" (2/3) ... [2024-11-23 01:20:27,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70eeb009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:20:27, skipping insertion in model container [2024-11-23 01:20:27,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:27" (3/3) ... [2024-11-23 01:20:27,186 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test3-2.i [2024-11-23 01:20:27,204 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:20:27,204 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-23 01:20:27,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:20:27,285 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;@7ddad0ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:20:27,287 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 01:20:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 01:20:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:20:27,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:27,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:20:27,300 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)] === [2024-11-23 01:20:27,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:27,322 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-23 01:20:27,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:27,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95847853] [2024-11-23 01:20:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:27,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:27,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:27,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95847853] [2024-11-23 01:20:27,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95847853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:27,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:27,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:20:27,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118877174] [2024-11-23 01:20:27,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:27,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:20:27,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:27,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:20:27,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:20:27,587 INFO L87 Difference]: Start difference. First operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) 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) [2024-11-23 01:20:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:27,662 INFO L93 Difference]: Finished difference Result 894 states and 1431 transitions. [2024-11-23 01:20:27,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:20:27,665 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 [2024-11-23 01:20:27,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:27,680 INFO L225 Difference]: With dead ends: 894 [2024-11-23 01:20:27,680 INFO L226 Difference]: Without dead ends: 403 [2024-11-23 01:20:27,685 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 [2024-11-23 01:20:27,688 INFO L432 NwaCegarLoop]: 638 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, 638 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 [2024-11-23 01:20:27,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:20:27,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-23 01:20:27,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-23 01:20:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 391 states have (on average 1.4552429667519182) internal successors, (569), 397 states have internal predecessors, (569), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 01:20:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-23 01:20:27,755 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-23 01:20:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:27,756 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-23 01:20:27,756 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) [2024-11-23 01:20:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-23 01:20:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:20:27,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:27,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:20:27,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:20:27,758 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)] === [2024-11-23 01:20:27,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:27,759 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-23 01:20:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:27,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466087425] [2024-11-23 01:20:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:27,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 01:20:27,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792728100] [2024-11-23 01:20:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:27,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:27,833 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) [2024-11-23 01:20:27,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 01:20:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:28,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 01:20:28,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:20:28,089 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 [2024-11-23 01:20:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:28,147 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:20:28,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:28,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466087425] [2024-11-23 01:20:28,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 01:20:28,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792728100] [2024-11-23 01:20:28,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792728100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:28,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:28,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:20:28,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364284728] [2024-11-23 01:20:28,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:28,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:20:28,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:28,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:20:28,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:28,155 INFO L87 Difference]: Start difference. First operand 403 states and 577 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) [2024-11-23 01:20:28,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:28,323 INFO L93 Difference]: Finished difference Result 795 states and 1144 transitions. [2024-11-23 01:20:28,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:20:28,324 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 [2024-11-23 01:20:28,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:28,329 INFO L225 Difference]: With dead ends: 795 [2024-11-23 01:20:28,329 INFO L226 Difference]: Without dead ends: 793 [2024-11-23 01:20:28,330 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 [2024-11-23 01:20:28,331 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 552 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:28,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1741 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:20:28,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-23 01:20:28,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 409. [2024-11-23 01:20:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.45088161209068) internal successors, (576), 403 states have internal predecessors, (576), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 01:20:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 584 transitions. [2024-11-23 01:20:28,365 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 584 transitions. Word has length 8 [2024-11-23 01:20:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:28,365 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 584 transitions. [2024-11-23 01:20:28,366 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) [2024-11-23 01:20:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 584 transitions. [2024-11-23 01:20:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 01:20:28,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:28,370 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] [2024-11-23 01:20:28,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 01:20:28,571 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 [2024-11-23 01:20:28,571 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)] === [2024-11-23 01:20:28,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:28,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1052288590, now seen corresponding path program 1 times [2024-11-23 01:20:28,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:28,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277151330] [2024-11-23 01:20:28,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:28,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:28,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:28,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277151330] [2024-11-23 01:20:28,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277151330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:28,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:28,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:20:28,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849139145] [2024-11-23 01:20:28,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:28,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:20:28,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:28,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:20:28,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:28,939 INFO L87 Difference]: Start difference. First operand 409 states and 584 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 01:20:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:29,029 INFO L93 Difference]: Finished difference Result 604 states and 865 transitions. [2024-11-23 01:20:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:20:29,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-11-23 01:20:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:29,033 INFO L225 Difference]: With dead ends: 604 [2024-11-23 01:20:29,034 INFO L226 Difference]: Without dead ends: 412 [2024-11-23 01:20:29,035 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 [2024-11-23 01:20:29,037 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 105 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1554 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 [2024-11-23 01:20:29,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1554 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:20:29,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-23 01:20:29,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 409. [2024-11-23 01:20:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.433249370277078) internal successors, (569), 403 states have internal predecessors, (569), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-23 01:20:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 577 transitions. [2024-11-23 01:20:29,053 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 577 transitions. Word has length 71 [2024-11-23 01:20:29,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:29,053 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 577 transitions. [2024-11-23 01:20:29,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 01:20:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 577 transitions. [2024-11-23 01:20:29,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 01:20:29,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:29,062 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] [2024-11-23 01:20:29,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:20:29,062 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)] === [2024-11-23 01:20:29,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:29,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1408941734, now seen corresponding path program 1 times [2024-11-23 01:20:29,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:29,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640055435] [2024-11-23 01:20:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:29,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:29,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:29,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640055435] [2024-11-23 01:20:29,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640055435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:29,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:29,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:20:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246245104] [2024-11-23 01:20:29,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:29,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:20:29,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:29,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:20:29,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:29,265 INFO L87 Difference]: Start difference. First operand 409 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 01:20:29,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:29,283 INFO L93 Difference]: Finished difference Result 601 states and 848 transitions. [2024-11-23 01:20:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:20:29,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-11-23 01:20:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:29,286 INFO L225 Difference]: With dead ends: 601 [2024-11-23 01:20:29,286 INFO L226 Difference]: Without dead ends: 404 [2024-11-23 01:20:29,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:29,288 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:29,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1699 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:20:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-23 01:20:29,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-23 01:20:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4340101522842639) internal successors, (565), 399 states have internal predecessors, (565), 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) [2024-11-23 01:20:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 571 transitions. [2024-11-23 01:20:29,298 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 571 transitions. Word has length 71 [2024-11-23 01:20:29,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:29,299 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 571 transitions. [2024-11-23 01:20:29,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 01:20:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 571 transitions. [2024-11-23 01:20:29,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 01:20:29,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:29,302 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] [2024-11-23 01:20:29,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:20:29,302 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:20:29,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:29,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1797250841, now seen corresponding path program 1 times [2024-11-23 01:20:29,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:29,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684404881] [2024-11-23 01:20:29,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:29,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:29,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:29,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684404881] [2024-11-23 01:20:29,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684404881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:29,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:29,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:20:29,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917227875] [2024-11-23 01:20:29,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:29,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:20:29,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:29,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:20:29,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:20:29,460 INFO L87 Difference]: Start difference. First operand 404 states and 571 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-23 01:20:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:29,492 INFO L93 Difference]: Finished difference Result 598 states and 844 transitions. [2024-11-23 01:20:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:20:29,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-23 01:20:29,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:29,495 INFO L225 Difference]: With dead ends: 598 [2024-11-23 01:20:29,495 INFO L226 Difference]: Without dead ends: 404 [2024-11-23 01:20:29,495 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 [2024-11-23 01:20:29,496 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 15 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:29,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:20:29,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-23 01:20:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-23 01:20:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4238578680203047) internal successors, (561), 399 states have internal predecessors, (561), 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) [2024-11-23 01:20:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 567 transitions. [2024-11-23 01:20:29,505 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 567 transitions. Word has length 72 [2024-11-23 01:20:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:29,506 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 567 transitions. [2024-11-23 01:20:29,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-23 01:20:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 567 transitions. [2024-11-23 01:20:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:20:29,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:29,508 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] [2024-11-23 01:20:29,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:20:29,508 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)] === [2024-11-23 01:20:29,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:29,509 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-23 01:20:29,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94561567] [2024-11-23 01:20:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:29,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:29,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94561567] [2024-11-23 01:20:29,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94561567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:29,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:29,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:20:29,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380606582] [2024-11-23 01:20:29,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:29,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:20:29,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:29,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:20:29,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:29,821 INFO L87 Difference]: Start difference. First operand 404 states and 567 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) [2024-11-23 01:20:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:29,904 INFO L93 Difference]: Finished difference Result 757 states and 1058 transitions. [2024-11-23 01:20:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:20:29,905 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 [2024-11-23 01:20:29,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:29,906 INFO L225 Difference]: With dead ends: 757 [2024-11-23 01:20:29,907 INFO L226 Difference]: Without dead ends: 362 [2024-11-23 01:20:29,907 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 [2024-11-23 01:20:29,909 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 36 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1351 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 [2024-11-23 01:20:29,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1351 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:20:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-23 01:20:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-23 01:20:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 352 states have (on average 1.375) internal successors, (484), 357 states have internal predecessors, (484), 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) [2024-11-23 01:20:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 490 transitions. [2024-11-23 01:20:29,924 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 490 transitions. Word has length 82 [2024-11-23 01:20:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:29,924 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 490 transitions. [2024-11-23 01:20:29,924 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) [2024-11-23 01:20:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 490 transitions. [2024-11-23 01:20:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:20:29,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:29,927 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] [2024-11-23 01:20:29,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:20:29,927 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)] === [2024-11-23 01:20:29,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:29,928 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-23 01:20:29,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:29,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288773320] [2024-11-23 01:20:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:29,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:30,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:30,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288773320] [2024-11-23 01:20:30,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288773320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:30,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:30,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:20:30,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840099033] [2024-11-23 01:20:30,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:30,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:20:30,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:30,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:20:30,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:30,086 INFO L87 Difference]: Start difference. First operand 362 states and 490 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) [2024-11-23 01:20:30,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:30,148 INFO L93 Difference]: Finished difference Result 709 states and 964 transitions. [2024-11-23 01:20:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:20:30,148 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 [2024-11-23 01:20:30,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:30,150 INFO L225 Difference]: With dead ends: 709 [2024-11-23 01:20:30,151 INFO L226 Difference]: Without dead ends: 356 [2024-11-23 01:20:30,151 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 [2024-11-23 01:20:30,152 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 9 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1352 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 [2024-11-23 01:20:30,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1352 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:20:30,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-23 01:20:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-23 01:20:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.369942196531792) internal successors, (474), 351 states have internal predecessors, (474), 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) [2024-11-23 01:20:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 480 transitions. [2024-11-23 01:20:30,162 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 480 transitions. Word has length 82 [2024-11-23 01:20:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:30,162 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 480 transitions. [2024-11-23 01:20:30,163 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) [2024-11-23 01:20:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 480 transitions. [2024-11-23 01:20:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:20:30,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:30,164 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] [2024-11-23 01:20:30,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:20:30,164 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)] === [2024-11-23 01:20:30,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:30,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-23 01:20:30,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:30,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114627181] [2024-11-23 01:20:30,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:30,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:30,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:30,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114627181] [2024-11-23 01:20:30,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114627181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:30,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:30,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:20:30,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596350923] [2024-11-23 01:20:30,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:30,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:20:30,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:30,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:20:30,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:20:30,320 INFO L87 Difference]: Start difference. First operand 356 states and 480 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) [2024-11-23 01:20:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:30,399 INFO L93 Difference]: Finished difference Result 920 states and 1254 transitions. [2024-11-23 01:20:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:20:30,400 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 [2024-11-23 01:20:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:30,402 INFO L225 Difference]: With dead ends: 920 [2024-11-23 01:20:30,404 INFO L226 Difference]: Without dead ends: 443 [2024-11-23 01:20:30,407 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 [2024-11-23 01:20:30,408 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 251 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:30,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 922 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:20:30,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-23 01:20:30,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2024-11-23 01:20:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 431 states have (on average 1.359628770301624) internal successors, (586), 436 states have internal predecessors, (586), 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) [2024-11-23 01:20:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 592 transitions. [2024-11-23 01:20:30,420 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 592 transitions. Word has length 82 [2024-11-23 01:20:30,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:30,421 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 592 transitions. [2024-11-23 01:20:30,421 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) [2024-11-23 01:20:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 592 transitions. [2024-11-23 01:20:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 01:20:30,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:30,425 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] [2024-11-23 01:20:30,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 01:20:30,425 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:20:30,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:30,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1891281422, now seen corresponding path program 1 times [2024-11-23 01:20:30,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:30,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607472115] [2024-11-23 01:20:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:30,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:20:30,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:30,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607472115] [2024-11-23 01:20:30,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607472115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:30,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:30,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:20:30,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623745756] [2024-11-23 01:20:30,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:30,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:20:30,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:30,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:20:30,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:20:30,905 INFO L87 Difference]: Start difference. First operand 441 states and 592 transitions. Second operand has 4 states, 3 states have (on average 30.0) 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) [2024-11-23 01:20:30,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:30,985 INFO L93 Difference]: Finished difference Result 700 states and 946 transitions. [2024-11-23 01:20:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:20:30,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) 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 [2024-11-23 01:20:30,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:30,989 INFO L225 Difference]: With dead ends: 700 [2024-11-23 01:20:30,991 INFO L226 Difference]: Without dead ends: 698 [2024-11-23 01:20:30,993 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 [2024-11-23 01:20:30,994 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 368 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:30,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1369 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:20:30,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-23 01:20:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 505. [2024-11-23 01:20:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3495934959349594) internal successors, (664), 497 states have internal predecessors, (664), 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) [2024-11-23 01:20:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 676 transitions. [2024-11-23 01:20:31,042 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 676 transitions. Word has length 97 [2024-11-23 01:20:31,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:31,044 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 676 transitions. [2024-11-23 01:20:31,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) 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) [2024-11-23 01:20:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 676 transitions. [2024-11-23 01:20:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 01:20:31,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:31,047 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] [2024-11-23 01:20:31,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 01:20:31,047 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)] === [2024-11-23 01:20:31,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:31,048 INFO L85 PathProgramCache]: Analyzing trace with hash 587928529, now seen corresponding path program 1 times [2024-11-23 01:20:31,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:31,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979292821] [2024-11-23 01:20:31,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:31,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:20:31,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979292821] [2024-11-23 01:20:31,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979292821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:20:31,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663990940] [2024-11-23 01:20:31,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:31,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:31,609 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) [2024-11-23 01:20:31,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 01:20:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:32,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 01:20:32,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:20:32,014 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 [2024-11-23 01:20:32,036 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 [2024-11-23 01:20:32,053 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 [2024-11-23 01:20:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:20:32,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:20:32,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663990940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:32,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:20:32,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-23 01:20:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488489175] [2024-11-23 01:20:32,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:32,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:20:32,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:32,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:20:32,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:20:32,849 INFO L87 Difference]: Start difference. First operand 505 states and 676 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) [2024-11-23 01:20:33,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:33,989 INFO L93 Difference]: Finished difference Result 1162 states and 1576 transitions. [2024-11-23 01:20:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:20:33,989 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 [2024-11-23 01:20:33,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:33,992 INFO L225 Difference]: With dead ends: 1162 [2024-11-23 01:20:33,992 INFO L226 Difference]: Without dead ends: 698 [2024-11-23 01:20:33,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:20:33,994 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 550 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2400 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:33,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2400 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 01:20:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-23 01:20:34,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 505. [2024-11-23 01:20:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3475609756097562) internal successors, (663), 497 states have internal predecessors, (663), 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) [2024-11-23 01:20:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 675 transitions. [2024-11-23 01:20:34,010 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 675 transitions. Word has length 103 [2024-11-23 01:20:34,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:34,010 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 675 transitions. [2024-11-23 01:20:34,011 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) [2024-11-23 01:20:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 675 transitions. [2024-11-23 01:20:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 01:20:34,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:34,012 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] [2024-11-23 01:20:34,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 01:20:34,213 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,SelfDestructingSolverStorable9 [2024-11-23 01:20:34,213 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)] === [2024-11-23 01:20:34,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:34,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1412463254, now seen corresponding path program 1 times [2024-11-23 01:20:34,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:34,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385760251] [2024-11-23 01:20:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:34,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:20:34,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:34,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385760251] [2024-11-23 01:20:34,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385760251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:20:34,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050522012] [2024-11-23 01:20:34,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:34,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:34,597 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) [2024-11-23 01:20:34,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 01:20:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:34,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-23 01:20:34,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:20:34,987 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 [2024-11-23 01:20:35,007 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 [2024-11-23 01:20:35,024 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 [2024-11-23 01:20:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:20:35,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:20:35,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050522012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:35,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:20:35,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-23 01:20:35,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517567841] [2024-11-23 01:20:35,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:35,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 01:20:35,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:35,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 01:20:35,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-23 01:20:35,897 INFO L87 Difference]: Start difference. First operand 505 states and 675 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 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) [2024-11-23 01:20:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:37,454 INFO L93 Difference]: Finished difference Result 1162 states and 1575 transitions. [2024-11-23 01:20:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 01:20:37,455 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 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 [2024-11-23 01:20:37,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:37,459 INFO L225 Difference]: With dead ends: 1162 [2024-11-23 01:20:37,460 INFO L226 Difference]: Without dead ends: 703 [2024-11-23 01:20:37,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-23 01:20:37,462 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 600 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:37,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 3101 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 01:20:37,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-23 01:20:37,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 509. [2024-11-23 01:20:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 496 states have (on average 1.346774193548387) internal successors, (668), 501 states have internal predecessors, (668), 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) [2024-11-23 01:20:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 680 transitions. [2024-11-23 01:20:37,479 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 680 transitions. Word has length 104 [2024-11-23 01:20:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:37,479 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 680 transitions. [2024-11-23 01:20:37,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 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) [2024-11-23 01:20:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 680 transitions. [2024-11-23 01:20:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 01:20:37,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:37,481 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] [2024-11-23 01:20:37,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 01:20:37,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:37,683 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)] === [2024-11-23 01:20:37,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:37,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1296911995, now seen corresponding path program 1 times [2024-11-23 01:20:37,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:37,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685104936] [2024-11-23 01:20:37,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:20:38,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:38,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685104936] [2024-11-23 01:20:38,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685104936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:38,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:38,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:20:38,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755669012] [2024-11-23 01:20:38,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:38,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:20:38,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:38,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:20:38,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:20:38,111 INFO L87 Difference]: Start difference. First operand 509 states and 680 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-23 01:20:38,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:38,433 INFO L93 Difference]: Finished difference Result 973 states and 1312 transitions. [2024-11-23 01:20:38,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:20:38,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 105 [2024-11-23 01:20:38,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:38,438 INFO L225 Difference]: With dead ends: 973 [2024-11-23 01:20:38,438 INFO L226 Difference]: Without dead ends: 519 [2024-11-23 01:20:38,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:20:38,441 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 10 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:38,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2396 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:20:38,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-23 01:20:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 517. [2024-11-23 01:20:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 504 states have (on average 1.3452380952380953) internal successors, (678), 509 states have internal predecessors, (678), 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) [2024-11-23 01:20:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 690 transitions. [2024-11-23 01:20:38,458 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 690 transitions. Word has length 105 [2024-11-23 01:20:38,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:38,459 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 690 transitions. [2024-11-23 01:20:38,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-23 01:20:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 690 transitions. [2024-11-23 01:20:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 01:20:38,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:38,460 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] [2024-11-23 01:20:38,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 01:20:38,461 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)] === [2024-11-23 01:20:38,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:38,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1520801036, now seen corresponding path program 1 times [2024-11-23 01:20:38,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:38,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677686592] [2024-11-23 01:20:38,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:38,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:20:38,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677686592] [2024-11-23 01:20:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677686592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:38,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:20:38,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 01:20:38,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414315701] [2024-11-23 01:20:38,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:38,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:20:38,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:38,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:20:38,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:20:38,848 INFO L87 Difference]: Start difference. First operand 517 states and 690 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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) [2024-11-23 01:20:39,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:39,073 INFO L93 Difference]: Finished difference Result 988 states and 1332 transitions. [2024-11-23 01:20:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:20:39,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 105 [2024-11-23 01:20:39,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:39,076 INFO L225 Difference]: With dead ends: 988 [2024-11-23 01:20:39,076 INFO L226 Difference]: Without dead ends: 523 [2024-11-23 01:20:39,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:20:39,078 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 5 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:39,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1649 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 01:20:39,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-23 01:20:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-23 01:20:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 510 states have (on average 1.3411764705882352) internal successors, (684), 515 states have internal predecessors, (684), 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) [2024-11-23 01:20:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 696 transitions. [2024-11-23 01:20:39,094 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 696 transitions. Word has length 105 [2024-11-23 01:20:39,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:39,095 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 696 transitions. [2024-11-23 01:20:39,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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) [2024-11-23 01:20:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 696 transitions. [2024-11-23 01:20:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 01:20:39,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:39,096 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] [2024-11-23 01:20:39,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 01:20:39,097 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)] === [2024-11-23 01:20:39,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash 533222026, now seen corresponding path program 1 times [2024-11-23 01:20:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:39,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248881789] [2024-11-23 01:20:39,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:20:39,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:39,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248881789] [2024-11-23 01:20:39,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248881789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:20:39,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212468219] [2024-11-23 01:20:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:39,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:39,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:39,411 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) [2024-11-23 01:20:39,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 01:20:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:39,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 01:20:39,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:20:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:20:39,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:20:39,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212468219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:39,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:20:39,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-23 01:20:39,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711108615] [2024-11-23 01:20:39,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:39,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:20:39,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:39,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:20:39,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:20:39,928 INFO L87 Difference]: Start difference. First operand 523 states and 696 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) 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) [2024-11-23 01:20:40,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:40,244 INFO L93 Difference]: Finished difference Result 1004 states and 1350 transitions. [2024-11-23 01:20:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 01:20:40,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) 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 [2024-11-23 01:20:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:40,248 INFO L225 Difference]: With dead ends: 1004 [2024-11-23 01:20:40,248 INFO L226 Difference]: Without dead ends: 529 [2024-11-23 01:20:40,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:20:40,249 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 34 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:40,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2424 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:20:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-23 01:20:40,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2024-11-23 01:20:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 510 states have (on average 1.3352941176470587) internal successors, (681), 515 states have internal predecessors, (681), 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) [2024-11-23 01:20:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 693 transitions. [2024-11-23 01:20:40,265 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 693 transitions. Word has length 106 [2024-11-23 01:20:40,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:40,265 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 693 transitions. [2024-11-23 01:20:40,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) 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) [2024-11-23 01:20:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 693 transitions. [2024-11-23 01:20:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 01:20:40,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:40,267 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] [2024-11-23 01:20:40,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 01:20:40,467 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 [2024-11-23 01:20:40,468 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)] === [2024-11-23 01:20:40,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:40,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1633837491, now seen corresponding path program 1 times [2024-11-23 01:20:40,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:40,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039301460] [2024-11-23 01:20:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:40,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:20:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039301460] [2024-11-23 01:20:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039301460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:20:40,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466638497] [2024-11-23 01:20:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:40,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:40,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:40,839 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) [2024-11-23 01:20:40,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 01:20:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:41,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 01:20:41,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:20:41,318 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 [2024-11-23 01:20:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:20:41,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:20:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466638497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:20:41,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:20:41,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2024-11-23 01:20:41,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087619874] [2024-11-23 01:20:41,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:20:41,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:20:41,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:20:41,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:20:41,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:20:41,372 INFO L87 Difference]: Start difference. First operand 523 states and 693 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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) [2024-11-23 01:20:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:20:41,492 INFO L93 Difference]: Finished difference Result 949 states and 1268 transitions. [2024-11-23 01:20:41,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:20:41,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 106 [2024-11-23 01:20:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:20:41,498 INFO L225 Difference]: With dead ends: 949 [2024-11-23 01:20:41,498 INFO L226 Difference]: Without dead ends: 526 [2024-11-23 01:20:41,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-23 01:20:41,500 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 187 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:20:41,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 2293 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:20:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-23 01:20:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-23 01:20:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 512 states have (on average 1.3359375) internal successors, (684), 518 states have internal predecessors, (684), 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) [2024-11-23 01:20:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 698 transitions. [2024-11-23 01:20:41,522 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 698 transitions. Word has length 106 [2024-11-23 01:20:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:20:41,522 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 698 transitions. [2024-11-23 01:20:41,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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) [2024-11-23 01:20:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2024-11-23 01:20:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 01:20:41,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:20:41,524 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] [2024-11-23 01:20:41,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 01:20:41,724 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,SelfDestructingSolverStorable14 [2024-11-23 01:20:41,725 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)] === [2024-11-23 01:20:41,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:20:41,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2051285295, now seen corresponding path program 1 times [2024-11-23 01:20:41,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:20:41,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129906386] [2024-11-23 01:20:41,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:41,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:20:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 01:20:42,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:20:42,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129906386] [2024-11-23 01:20:42,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129906386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:20:42,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14823008] [2024-11-23 01:20:42,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:20:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:20:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:20:42,126 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) [2024-11-23 01:20:42,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 01:20:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:20:42,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-23 01:20:42,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:20:42,629 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 [2024-11-23 01:20:42,647 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 [2024-11-23 01:20:42,670 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 [2024-11-23 01:20:42,696 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 [2024-11-23 01:20:42,936 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 [2024-11-23 01:20:43,010 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-23 01:20:43,012 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 [2024-11-23 01:20:43,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-23 01:20:43,074 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 [2024-11-23 01:20:43,188 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-23 01:20:43,189 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 42 treesize of output 41 [2024-11-23 01:20:46,382 INFO L224 Elim1Store]: Index analysis took 171 ms