./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:36:48,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:36:48,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:36:48,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:36:48,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:36:48,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:36:48,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:36:48,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:36:48,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:36:48,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:36:48,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:36:48,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:36:48,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:36:48,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:36:48,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:36:48,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:36:48,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:36:48,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:36:48,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:36:48,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:36:48,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:36:48,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:36:48,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:36:48,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:36:48,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:36:48,639 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:36:48,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:36:48,639 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:36:48,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:36:48,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:36:48,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:36:48,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:36:48,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:36:48,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:36:48,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:36:48,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:36:48,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:36:48,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:36:48,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:36:48,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:36:48,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:36:48,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:36:48,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:36:48,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:36:48,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2024-11-09 14:36:48,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:36:48,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:36:48,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:36:48,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:36:48,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:36:48,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2024-11-09 14:36:50,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:36:50,722 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:36:50,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2024-11-09 14:36:50,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9698bf7/1ca1554ff6b142529cfaa57212a1de9b/FLAGe505407ac [2024-11-09 14:36:50,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9698bf7/1ca1554ff6b142529cfaa57212a1de9b [2024-11-09 14:36:50,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:36:50,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:36:50,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:36:50,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:36:50,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:36:50,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:36:50" (1/1) ... [2024-11-09 14:36:50,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2fd92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:50, skipping insertion in model container [2024-11-09 14:36:50,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:36:50" (1/1) ... [2024-11-09 14:36:50,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:36:51,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:36:51,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:36:51,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:36:51,731 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:36:51,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51 WrapperNode [2024-11-09 14:36:51,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:36:51,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:36:51,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:36:51,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:36:51,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:51,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:51,912 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3456 [2024-11-09 14:36:51,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:36:51,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:36:51,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:36:51,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:36:51,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:51,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:51,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,044 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [220, 2, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 54 writes are split as follows [50, 0, 4]. [2024-11-09 14:36:52,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:36:52,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:36:52,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:36:52,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:36:52,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (1/1) ... [2024-11-09 14:36:52,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:36:52,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:36:52,252 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) [2024-11-09 14:36:52,259 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 [2024-11-09 14:36:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 14:36:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 14:36:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 14:36:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 14:36:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 14:36:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 14:36:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 14:36:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 14:36:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 14:36:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 14:36:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 14:36:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 14:36:52,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 14:36:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 14:36:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 14:36:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 14:36:52,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 14:36:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 14:36:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 14:36:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:36:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 14:36:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 14:36:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:36:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:36:52,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:36:52,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:36:55,190 INFO L? ?]: Removed 835 outVars from TransFormulas that were not future-live. [2024-11-09 14:36:55,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:36:55,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:36:55,238 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-09 14:36:55,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:36:55 BoogieIcfgContainer [2024-11-09 14:36:55,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:36:55,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:36:55,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:36:55,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:36:55,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:36:50" (1/3) ... [2024-11-09 14:36:55,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd0385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:36:55, skipping insertion in model container [2024-11-09 14:36:55,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:36:51" (2/3) ... [2024-11-09 14:36:55,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd0385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:36:55, skipping insertion in model container [2024-11-09 14:36:55,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:36:55" (3/3) ... [2024-11-09 14:36:55,246 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-2.i [2024-11-09 14:36:55,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:36:55,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 14:36:55,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:36:55,387 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;@261c0eba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:36:55,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 14:36:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 1423 states, 906 states have (on average 1.8311258278145695) internal successors, (1659), 1416 states have internal predecessors, (1659), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-09 14:36:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 14:36:55,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:36:55,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:36:55,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:36:55,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:36:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-09 14:36:55,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:36:55,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985847996] [2024-11-09 14:36:55,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:55,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:36:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:36:55,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:36:55,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985847996] [2024-11-09 14:36:55,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985847996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:36:55,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:36:55,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:36:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001219240] [2024-11-09 14:36:55,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:36:55,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 14:36:55,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:36:55,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 14:36:55,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 14:36:55,664 INFO L87 Difference]: Start difference. First operand has 1423 states, 906 states have (on average 1.8311258278145695) internal successors, (1659), 1416 states have internal predecessors, (1659), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:55,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:36:55,833 INFO L93 Difference]: Finished difference Result 2842 states and 5835 transitions. [2024-11-09 14:36:55,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 14:36:55,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 14:36:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:36:55,875 INFO L225 Difference]: With dead ends: 2842 [2024-11-09 14:36:55,876 INFO L226 Difference]: Without dead ends: 1379 [2024-11-09 14:36:55,888 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 [2024-11-09 14:36:55,891 INFO L432 NwaCegarLoop]: 2597 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, 2597 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 [2024-11-09 14:36:55,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:36:55,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-09 14:36:56,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2024-11-09 14:36:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 866 states have (on average 1.7725173210161662) internal successors, (1535), 1373 states have internal predecessors, (1535), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-09 14:36:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2541 transitions. [2024-11-09 14:36:56,227 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 2541 transitions. Word has length 7 [2024-11-09 14:36:56,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:36:56,228 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 2541 transitions. [2024-11-09 14:36:56,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2541 transitions. [2024-11-09 14:36:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 14:36:56,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:36:56,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:36:56,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:36:56,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:36:56,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:36:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-09 14:36:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:36:56,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496250815] [2024-11-09 14:36:56,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:36:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 14:36:56,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596211126] [2024-11-09 14:36:56,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:56,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:36:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:36:56,283 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) [2024-11-09 14:36:56,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 14:36:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:56,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 14:36:56,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:36:56,483 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 [2024-11-09 14:36:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:36:56,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:36:56,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:36:56,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496250815] [2024-11-09 14:36:56,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 14:36:56,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596211126] [2024-11-09 14:36:56,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596211126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:36:56,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:36:56,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:36:56,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963416182] [2024-11-09 14:36:56,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:36:56,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:36:56,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:36:56,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:36:56,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:36:56,534 INFO L87 Difference]: Start difference. First operand 1379 states and 2541 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:57,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:36:57,460 INFO L93 Difference]: Finished difference Result 2748 states and 5073 transitions. [2024-11-09 14:36:57,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:36:57,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 14:36:57,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:36:57,483 INFO L225 Difference]: With dead ends: 2748 [2024-11-09 14:36:57,484 INFO L226 Difference]: Without dead ends: 2746 [2024-11-09 14:36:57,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:36:57,487 INFO L432 NwaCegarLoop]: 2805 mSDtfsCounter, 1519 mSDsluCounter, 4818 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7623 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 14:36:57,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7623 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 14:36:57,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-09 14:36:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 1385. [2024-11-09 14:36:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.768348623853211) internal successors, (1542), 1379 states have internal predecessors, (1542), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-09 14:36:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2548 transitions. [2024-11-09 14:36:57,910 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2548 transitions. Word has length 7 [2024-11-09 14:36:57,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:36:57,910 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2548 transitions. [2024-11-09 14:36:57,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2548 transitions. [2024-11-09 14:36:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 14:36:57,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:36:57,915 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] [2024-11-09 14:36:57,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 14:36:58,115 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 [2024-11-09 14:36:58,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:36:58,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:36:58,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1584338109, now seen corresponding path program 1 times [2024-11-09 14:36:58,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:36:58,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974857867] [2024-11-09 14:36:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:58,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:36:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:36:58,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:36:58,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974857867] [2024-11-09 14:36:58,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974857867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:36:58,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:36:58,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:36:58,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402706740] [2024-11-09 14:36:58,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:36:58,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:36:58,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:36:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:36:58,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:36:58,492 INFO L87 Difference]: Start difference. First operand 1385 states and 2548 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:36:59,269 INFO L93 Difference]: Finished difference Result 3915 states and 7314 transitions. [2024-11-09 14:36:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:36:59,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-09 14:36:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:36:59,290 INFO L225 Difference]: With dead ends: 3915 [2024-11-09 14:36:59,290 INFO L226 Difference]: Without dead ends: 2745 [2024-11-09 14:36:59,296 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 [2024-11-09 14:36:59,297 INFO L432 NwaCegarLoop]: 2826 mSDtfsCounter, 1520 mSDsluCounter, 4840 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 14:36:59,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 7666 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 14:36:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2024-11-09 14:36:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1385. [2024-11-09 14:36:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.7672018348623852) internal successors, (1541), 1379 states have internal predecessors, (1541), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-09 14:36:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2547 transitions. [2024-11-09 14:36:59,539 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2547 transitions. Word has length 64 [2024-11-09 14:36:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:36:59,540 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2547 transitions. [2024-11-09 14:36:59,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2547 transitions. [2024-11-09 14:36:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 14:36:59,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:36:59,543 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] [2024-11-09 14:36:59,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:36:59,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:36:59,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:36:59,544 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-09 14:36:59,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:36:59,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838626910] [2024-11-09 14:36:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:59,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:36:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:36:59,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:36:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838626910] [2024-11-09 14:36:59,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838626910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:36:59,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:36:59,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:36:59,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354225320] [2024-11-09 14:36:59,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:36:59,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:36:59,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:36:59,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:36:59,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:36:59,820 INFO L87 Difference]: Start difference. First operand 1385 states and 2547 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:36:59,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:36:59,971 INFO L93 Difference]: Finished difference Result 2765 states and 5089 transitions. [2024-11-09 14:36:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:36:59,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-09 14:36:59,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:36:59,984 INFO L225 Difference]: With dead ends: 2765 [2024-11-09 14:36:59,985 INFO L226 Difference]: Without dead ends: 1388 [2024-11-09 14:36:59,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:36:59,991 INFO L432 NwaCegarLoop]: 2513 mSDtfsCounter, 87 mSDsluCounter, 7434 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 9947 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:36:59,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 9947 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:36:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-11-09 14:37:00,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1385. [2024-11-09 14:37:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.7591743119266054) internal successors, (1534), 1379 states have internal predecessors, (1534), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-09 14:37:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2540 transitions. [2024-11-09 14:37:00,116 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2540 transitions. Word has length 81 [2024-11-09 14:37:00,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:00,117 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2540 transitions. [2024-11-09 14:37:00,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:37:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2540 transitions. [2024-11-09 14:37:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 14:37:00,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:00,119 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] [2024-11-09 14:37:00,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:37:00,119 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:00,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:00,120 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-09 14:37:00,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:00,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461730655] [2024-11-09 14:37:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:00,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:37:00,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:00,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461730655] [2024-11-09 14:37:00,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461730655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:00,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:00,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:37:00,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489214969] [2024-11-09 14:37:00,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:00,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:37:00,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:00,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:37:00,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:37:00,268 INFO L87 Difference]: Start difference. First operand 1385 states and 2540 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:37:00,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:00,415 INFO L93 Difference]: Finished difference Result 4033 states and 7470 transitions. [2024-11-09 14:37:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:37:00,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-09 14:37:00,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:00,436 INFO L225 Difference]: With dead ends: 4033 [2024-11-09 14:37:00,438 INFO L226 Difference]: Without dead ends: 2656 [2024-11-09 14:37:00,446 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 [2024-11-09 14:37:00,446 INFO L432 NwaCegarLoop]: 2980 mSDtfsCounter, 1343 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:00,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 5500 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:37:00,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2024-11-09 14:37:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2652. [2024-11-09 14:37:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 1639 states have (on average 1.7876754118364857) internal successors, (2930), 2646 states have internal predecessors, (2930), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-09 14:37:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 4936 transitions. [2024-11-09 14:37:00,819 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 4936 transitions. Word has length 81 [2024-11-09 14:37:00,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:00,822 INFO L471 AbstractCegarLoop]: Abstraction has 2652 states and 4936 transitions. [2024-11-09 14:37:00,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 14:37:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 4936 transitions. [2024-11-09 14:37:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 14:37:00,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:00,826 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] [2024-11-09 14:37:00,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:37:00,827 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:00,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1006382723, now seen corresponding path program 1 times [2024-11-09 14:37:00,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:00,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600541508] [2024-11-09 14:37:00,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:00,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:01,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:01,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:01,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:01,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600541508] [2024-11-09 14:37:01,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600541508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:01,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:01,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:37:01,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198081242] [2024-11-09 14:37:01,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:01,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:37:01,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:01,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:37:01,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:37:01,035 INFO L87 Difference]: Start difference. First operand 2652 states and 4936 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:03,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:03,226 INFO L93 Difference]: Finished difference Result 5241 states and 9788 transitions. [2024-11-09 14:37:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:37:03,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-09 14:37:03,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:03,249 INFO L225 Difference]: With dead ends: 5241 [2024-11-09 14:37:03,249 INFO L226 Difference]: Without dead ends: 2667 [2024-11-09 14:37:03,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:37:03,259 INFO L432 NwaCegarLoop]: 2524 mSDtfsCounter, 7 mSDsluCounter, 3473 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5997 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:03,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5997 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 14:37:03,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2024-11-09 14:37:03,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2664. [2024-11-09 14:37:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 1651 states have (on average 1.7819503331314355) internal successors, (2942), 2658 states have internal predecessors, (2942), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-09 14:37:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 4948 transitions. [2024-11-09 14:37:03,594 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 4948 transitions. Word has length 96 [2024-11-09 14:37:03,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:03,595 INFO L471 AbstractCegarLoop]: Abstraction has 2664 states and 4948 transitions. [2024-11-09 14:37:03,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 4948 transitions. [2024-11-09 14:37:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 14:37:03,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:03,599 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] [2024-11-09 14:37:03,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 14:37:03,599 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:03,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:03,600 INFO L85 PathProgramCache]: Analyzing trace with hash 679797115, now seen corresponding path program 1 times [2024-11-09 14:37:03,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:03,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164367214] [2024-11-09 14:37:03,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:03,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:03,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164367214] [2024-11-09 14:37:03,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164367214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:03,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:03,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:37:03,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143504605] [2024-11-09 14:37:03,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:03,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:37:03,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:03,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:37:03,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:37:03,997 INFO L87 Difference]: Start difference. First operand 2664 states and 4948 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:08,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:08,042 INFO L93 Difference]: Finished difference Result 4909 states and 9298 transitions. [2024-11-09 14:37:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:37:08,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-09 14:37:08,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:08,091 INFO L225 Difference]: With dead ends: 4909 [2024-11-09 14:37:08,091 INFO L226 Difference]: Without dead ends: 4907 [2024-11-09 14:37:08,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:37:08,094 INFO L432 NwaCegarLoop]: 2778 mSDtfsCounter, 1433 mSDsluCounter, 4965 mSDsCounter, 0 mSdLazyCounter, 2691 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 3697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:08,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1935 Valid, 7743 Invalid, 3697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2691 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 14:37:08,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4907 states. [2024-11-09 14:37:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4907 to 2728. [2024-11-09 14:37:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 1712 states have (on average 1.764018691588785) internal successors, (3020), 2719 states have internal predecessors, (3020), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 5032 transitions. [2024-11-09 14:37:08,611 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 5032 transitions. Word has length 96 [2024-11-09 14:37:08,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:08,612 INFO L471 AbstractCegarLoop]: Abstraction has 2728 states and 5032 transitions. [2024-11-09 14:37:08,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 5032 transitions. [2024-11-09 14:37:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 14:37:08,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:08,613 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] [2024-11-09 14:37:08,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 14:37:08,614 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:08,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash -437066406, now seen corresponding path program 1 times [2024-11-09 14:37:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:08,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135158933] [2024-11-09 14:37:08,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:37:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135158933] [2024-11-09 14:37:09,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135158933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:09,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884993966] [2024-11-09 14:37:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:09,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:09,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:09,102 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) [2024-11-09 14:37:09,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 14:37:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:09,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:37:09,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:09,402 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 [2024-11-09 14:37:09,426 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 [2024-11-09 14:37:09,449 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 [2024-11-09 14:37:09,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 14:37:09,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-09 14:37:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:10,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:10,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884993966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:10,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:10,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-09 14:37:10,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061384580] [2024-11-09 14:37:10,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:10,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:37:10,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:10,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:37:10,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:37:10,194 INFO L87 Difference]: Start difference. First operand 2728 states and 5032 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:13,771 INFO L93 Difference]: Finished difference Result 7577 states and 14237 transitions. [2024-11-09 14:37:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:37:13,773 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-09 14:37:13,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:13,808 INFO L225 Difference]: With dead ends: 7577 [2024-11-09 14:37:13,808 INFO L226 Difference]: Without dead ends: 4943 [2024-11-09 14:37:13,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-09 14:37:13,821 INFO L432 NwaCegarLoop]: 2755 mSDtfsCounter, 1784 mSDsluCounter, 20277 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 23032 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:13,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 23032 Invalid, 1866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 14:37:13,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2024-11-09 14:37:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 2760. [2024-11-09 14:37:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 1744 states have (on average 1.7528669724770642) internal successors, (3057), 2751 states have internal predecessors, (3057), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5069 transitions. [2024-11-09 14:37:14,442 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5069 transitions. Word has length 102 [2024-11-09 14:37:14,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:14,443 INFO L471 AbstractCegarLoop]: Abstraction has 2760 states and 5069 transitions. [2024-11-09 14:37:14,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5069 transitions. [2024-11-09 14:37:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 14:37:14,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:14,445 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] [2024-11-09 14:37:14,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 14:37:14,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-09 14:37:14,646 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:14,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:14,646 INFO L85 PathProgramCache]: Analyzing trace with hash -614004514, now seen corresponding path program 1 times [2024-11-09 14:37:14,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:14,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449618696] [2024-11-09 14:37:14,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:37:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:37:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:14,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:14,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449618696] [2024-11-09 14:37:14,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449618696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:14,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:14,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:37:14,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101041205] [2024-11-09 14:37:14,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:14,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:37:14,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:14,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:37:14,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:37:14,859 INFO L87 Difference]: Start difference. First operand 2760 states and 5069 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:17,321 INFO L93 Difference]: Finished difference Result 5353 states and 9909 transitions. [2024-11-09 14:37:17,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 14:37:17,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-09 14:37:17,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:17,341 INFO L225 Difference]: With dead ends: 5353 [2024-11-09 14:37:17,341 INFO L226 Difference]: Without dead ends: 2623 [2024-11-09 14:37:17,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:37:17,353 INFO L432 NwaCegarLoop]: 2434 mSDtfsCounter, 15 mSDsluCounter, 5232 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:17,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 7666 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 14:37:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2024-11-09 14:37:17,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2620. [2024-11-09 14:37:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 1604 states have (on average 1.7749376558603491) internal successors, (2847), 2611 states have internal predecessors, (2847), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 4859 transitions. [2024-11-09 14:37:17,709 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 4859 transitions. Word has length 102 [2024-11-09 14:37:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:17,711 INFO L471 AbstractCegarLoop]: Abstraction has 2620 states and 4859 transitions. [2024-11-09 14:37:17,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 4859 transitions. [2024-11-09 14:37:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 14:37:17,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:17,712 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] [2024-11-09 14:37:17,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 14:37:17,712 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:17,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1966734541, now seen corresponding path program 1 times [2024-11-09 14:37:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:17,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229250342] [2024-11-09 14:37:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 14:37:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 14:37:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:37:18,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:18,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229250342] [2024-11-09 14:37:18,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229250342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:18,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531086913] [2024-11-09 14:37:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:18,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:18,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:18,098 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) [2024-11-09 14:37:18,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 14:37:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:18,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 14:37:18,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:18,686 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 [2024-11-09 14:37:18,706 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 [2024-11-09 14:37:18,723 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 [2024-11-09 14:37:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:19,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:19,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531086913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:19,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:19,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-09 14:37:19,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322317924] [2024-11-09 14:37:19,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:19,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 14:37:19,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:19,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 14:37:19,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:37:19,480 INFO L87 Difference]: Start difference. First operand 2620 states and 4859 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2024-11-09 14:37:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:20,857 INFO L93 Difference]: Finished difference Result 7376 states and 13931 transitions. [2024-11-09 14:37:20,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 14:37:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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 [2024-11-09 14:37:20,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:20,885 INFO L225 Difference]: With dead ends: 7376 [2024-11-09 14:37:20,885 INFO L226 Difference]: Without dead ends: 4801 [2024-11-09 14:37:20,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-09 14:37:20,895 INFO L432 NwaCegarLoop]: 2718 mSDtfsCounter, 1595 mSDsluCounter, 7319 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2097 SdHoareTripleChecker+Valid, 10037 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:20,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2097 Valid, 10037 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 14:37:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2024-11-09 14:37:21,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 2624. [2024-11-09 14:37:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2624 states, 1608 states have (on average 1.7736318407960199) internal successors, (2852), 2615 states have internal predecessors, (2852), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 4864 transitions. [2024-11-09 14:37:21,395 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 4864 transitions. Word has length 103 [2024-11-09 14:37:21,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:21,396 INFO L471 AbstractCegarLoop]: Abstraction has 2624 states and 4864 transitions. [2024-11-09 14:37:21,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 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) [2024-11-09 14:37:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 4864 transitions. [2024-11-09 14:37:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 14:37:21,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:21,397 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] [2024-11-09 14:37:21,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 14:37:21,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:21,598 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:21,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:21,599 INFO L85 PathProgramCache]: Analyzing trace with hash -346987122, now seen corresponding path program 1 times [2024-11-09 14:37:21,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:21,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271507400] [2024-11-09 14:37:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:21,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 14:37:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:37:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:21,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:21,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271507400] [2024-11-09 14:37:21,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271507400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:21,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:21,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:37:21,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212577330] [2024-11-09 14:37:21,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:21,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:37:21,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:21,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:37:21,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:37:21,940 INFO L87 Difference]: Start difference. First operand 2624 states and 4864 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:25,361 INFO L93 Difference]: Finished difference Result 5207 states and 9690 transitions. [2024-11-09 14:37:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:25,362 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-09 14:37:25,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:25,378 INFO L225 Difference]: With dead ends: 5207 [2024-11-09 14:37:25,378 INFO L226 Difference]: Without dead ends: 2637 [2024-11-09 14:37:25,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:37:25,388 INFO L432 NwaCegarLoop]: 2429 mSDtfsCounter, 16 mSDsluCounter, 10703 mSDsCounter, 0 mSdLazyCounter, 3501 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 13132 SdHoareTripleChecker+Invalid, 4005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 3501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:25,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 13132 Invalid, 4005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 3501 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 14:37:25,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2024-11-09 14:37:25,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2632. [2024-11-09 14:37:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 1616 states have (on average 1.771039603960396) internal successors, (2862), 2623 states have internal predecessors, (2862), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4874 transitions. [2024-11-09 14:37:25,775 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4874 transitions. Word has length 104 [2024-11-09 14:37:25,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:25,775 INFO L471 AbstractCegarLoop]: Abstraction has 2632 states and 4874 transitions. [2024-11-09 14:37:25,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:37:25,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4874 transitions. [2024-11-09 14:37:25,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 14:37:25,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:25,777 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] [2024-11-09 14:37:25,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 14:37:25,777 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:25,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:25,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1824241387, now seen corresponding path program 1 times [2024-11-09 14:37:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:25,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964170389] [2024-11-09 14:37:25,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:26,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 14:37:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:26,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:37:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:26,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:26,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964170389] [2024-11-09 14:37:26,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964170389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:26,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:37:26,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 14:37:26,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437649711] [2024-11-09 14:37:26,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:26,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:26,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:37:26,096 INFO L87 Difference]: Start difference. First operand 2632 states and 4874 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-09 14:37:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:28,447 INFO L93 Difference]: Finished difference Result 5222 states and 9710 transitions. [2024-11-09 14:37:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:37:28,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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 [2024-11-09 14:37:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:28,459 INFO L225 Difference]: With dead ends: 5222 [2024-11-09 14:37:28,459 INFO L226 Difference]: Without dead ends: 2641 [2024-11-09 14:37:28,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:37:28,466 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 11 mSDsluCounter, 7002 mSDsCounter, 0 mSdLazyCounter, 2330 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 9443 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 2330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:37:28,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 9443 Invalid, 2834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 2330 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 14:37:28,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2024-11-09 14:37:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2638. [2024-11-09 14:37:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1622 states have (on average 1.7681874229346486) internal successors, (2868), 2629 states have internal predecessors, (2868), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 4880 transitions. [2024-11-09 14:37:28,738 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 4880 transitions. Word has length 104 [2024-11-09 14:37:28,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:28,738 INFO L471 AbstractCegarLoop]: Abstraction has 2638 states and 4880 transitions. [2024-11-09 14:37:28,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-09 14:37:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 4880 transitions. [2024-11-09 14:37:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 14:37:28,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:28,740 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] [2024-11-09 14:37:28,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 14:37:28,740 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:28,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1753003865, now seen corresponding path program 1 times [2024-11-09 14:37:28,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:28,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075519175] [2024-11-09 14:37:28,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:28,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:29,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:29,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 14:37:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:37:29,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075519175] [2024-11-09 14:37:29,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075519175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:29,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433092935] [2024-11-09 14:37:29,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:29,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:29,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:29,100 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) [2024-11-09 14:37:29,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 14:37:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:29,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 14:37:29,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:29,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:29,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433092935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:29,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:29,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-09 14:37:29,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028289558] [2024-11-09 14:37:29,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:29,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:29,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:29,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:29,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:37:29,535 INFO L87 Difference]: Start difference. First operand 2638 states and 4880 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) [2024-11-09 14:37:29,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:37:29,944 INFO L93 Difference]: Finished difference Result 5235 states and 9719 transitions. [2024-11-09 14:37:29,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:37:29,945 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 [2024-11-09 14:37:29,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:37:29,956 INFO L225 Difference]: With dead ends: 5235 [2024-11-09 14:37:29,956 INFO L226 Difference]: Without dead ends: 2644 [2024-11-09 14:37:29,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:37:29,964 INFO L432 NwaCegarLoop]: 2434 mSDtfsCounter, 34 mSDsluCounter, 11876 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 14310 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 [2024-11-09 14:37:29,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 14310 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:37:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2024-11-09 14:37:30,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2638. [2024-11-09 14:37:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1622 states have (on average 1.7663378545006165) internal successors, (2865), 2629 states have internal predecessors, (2865), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:37:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 4877 transitions. [2024-11-09 14:37:30,272 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 4877 transitions. Word has length 105 [2024-11-09 14:37:30,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:37:30,272 INFO L471 AbstractCegarLoop]: Abstraction has 2638 states and 4877 transitions. [2024-11-09 14:37:30,272 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) [2024-11-09 14:37:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 4877 transitions. [2024-11-09 14:37:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 14:37:30,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:37:30,273 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] [2024-11-09 14:37:30,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 14:37:30,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:30,474 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:37:30,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:37:30,475 INFO L85 PathProgramCache]: Analyzing trace with hash -652388400, now seen corresponding path program 1 times [2024-11-09 14:37:30,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:37:30,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950934731] [2024-11-09 14:37:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:37:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:37:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 14:37:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:37:30,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:37:30,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950934731] [2024-11-09 14:37:30,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950934731] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:37:30,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558998656] [2024-11-09 14:37:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:37:30,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:37:30,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:37:30,789 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) [2024-11-09 14:37:30,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 14:37:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:37:31,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 14:37:31,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:37:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:37:40,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:37:40,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558998656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:37:40,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:37:40,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-09 14:37:40,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028640187] [2024-11-09 14:37:40,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:37:40,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:37:40,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:37:40,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:37:40,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:37:40,038 INFO L87 Difference]: Start difference. First operand 2638 states and 4877 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) [2024-11-09 14:37:44,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:37:48,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:37:53,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:37:57,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:37:58,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:38:00,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:38:02,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:38:03,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:38:03,369 INFO L93 Difference]: Finished difference Result 5227 states and 9703 transitions. [2024-11-09 14:38:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:38:03,370 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 [2024-11-09 14:38:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:38:03,386 INFO L225 Difference]: With dead ends: 5227 [2024-11-09 14:38:03,386 INFO L226 Difference]: Without dead ends: 2648 [2024-11-09 14:38:03,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:38:03,393 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 8 mSDsluCounter, 11850 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14289 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:38:03,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14289 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 423 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2024-11-09 14:38:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2024-11-09 14:38:03,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2638. [2024-11-09 14:38:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1622 states have (on average 1.7663378545006165) internal successors, (2865), 2629 states have internal predecessors, (2865), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-09 14:38:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 4877 transitions. [2024-11-09 14:38:03,705 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 4877 transitions. Word has length 105 [2024-11-09 14:38:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:38:03,706 INFO L471 AbstractCegarLoop]: Abstraction has 2638 states and 4877 transitions. [2024-11-09 14:38:03,706 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) [2024-11-09 14:38:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 4877 transitions. [2024-11-09 14:38:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 14:38:03,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:38:03,707 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:38:03,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 14:38:03,911 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,SelfDestructingSolverStorable13 [2024-11-09 14:38:03,912 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:38:03,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:38:03,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1975815840, now seen corresponding path program 1 times [2024-11-09 14:38:03,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:38:03,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969656871] [2024-11-09 14:38:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:38:03,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:38:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:38:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:38:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:38:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 14:38:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:38:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:38:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:38:04,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969656871] [2024-11-09 14:38:04,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969656871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:38:04,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:38:04,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 14:38:04,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859900249] [2024-11-09 14:38:04,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:38:04,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:38:04,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:38:04,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:38:04,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:38:04,384 INFO L87 Difference]: Start difference. First operand 2638 states and 4877 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)