./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_SFH_nondet_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 06:16:37,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:16:37,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:16:37,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:16:37,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:16:37,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:16:37,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:16:37,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:16:37,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:16:37,577 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:16:37,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:16:37,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:16:37,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:16:37,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:16:37,578 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:16:37,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:16:37,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:16:37,578 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:16:37,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:16:37,579 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:16:37,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:16:37,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:16:37,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:16:37,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:16:37,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:16:37,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:16:37,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:16:37,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:16:37,581 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2025-03-09 06:16:37,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:16:37,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:16:37,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:16:37,820 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:16:37,821 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:16:37,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2025-03-09 06:16:38,890 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307fe7a85/3f9e8d5f8fa24fe4948db8967ac1b297/FLAGe12e631fa [2025-03-09 06:16:39,158 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:16:39,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2025-03-09 06:16:39,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307fe7a85/3f9e8d5f8fa24fe4948db8967ac1b297/FLAGe12e631fa [2025-03-09 06:16:39,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307fe7a85/3f9e8d5f8fa24fe4948db8967ac1b297 [2025-03-09 06:16:39,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:16:39,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:16:39,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:16:39,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:16:39,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:16:39,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:39,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4918102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39, skipping insertion in model container [2025-03-09 06:16:39,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:39,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:16:39,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:16:39,831 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:16:39,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:16:39,940 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:16:39,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39 WrapperNode [2025-03-09 06:16:39,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:16:39,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:16:39,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:16:39,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:16:39,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:39,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,004 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1556 [2025-03-09 06:16:40,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:16:40,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:16:40,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:16:40,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:16:40,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,095 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 266, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2025-03-09 06:16:40,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:16:40,147 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:16:40,148 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:16:40,148 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:16:40,149 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (1/1) ... [2025-03-09 06:16:40,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:16:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:40,173 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) [2025-03-09 06:16:40,176 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 [2025-03-09 06:16:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:16:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-09 06:16:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-09 06:16:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-09 06:16:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-09 06:16:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 06:16:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:16:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:16:40,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:16:40,354 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:16:40,355 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:16:41,405 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2025-03-09 06:16:41,479 INFO L? ?]: Removed 344 outVars from TransFormulas that were not future-live. [2025-03-09 06:16:41,481 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:16:41,531 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:16:41,532 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-09 06:16:41,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:16:41 BoogieIcfgContainer [2025-03-09 06:16:41,532 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:16:41,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:16:41,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:16:41,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:16:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:16:39" (1/3) ... [2025-03-09 06:16:41,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5d69a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:16:41, skipping insertion in model container [2025-03-09 06:16:41,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:16:39" (2/3) ... [2025-03-09 06:16:41,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5d69a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:16:41, skipping insertion in model container [2025-03-09 06:16:41,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:16:41" (3/3) ... [2025-03-09 06:16:41,539 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test3-2.i [2025-03-09 06:16:41,550 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:16:41,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_nondet_test3-2.i that has 5 procedures, 448 locations, 1 initial locations, 41 loop locations, and 6 error locations. [2025-03-09 06:16:41,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:16:41,607 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;@178f09c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:16:41,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-09 06:16:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 440 states, 426 states have (on average 1.624413145539906) internal successors, (692), 433 states have internal predecessors, (692), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 06:16:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 06:16:41,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:41,614 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:41,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:41,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1726435660, now seen corresponding path program 1 times [2025-03-09 06:16:41,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:41,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770168764] [2025-03-09 06:16:41,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:41,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:41,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:16:41,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:16:41,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:41,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:41,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:41,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770168764] [2025-03-09 06:16:41,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770168764] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:41,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:41,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:16:41,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741059279] [2025-03-09 06:16:41,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:41,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:16:41,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:41,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:16:41,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:16:41,765 INFO L87 Difference]: Start difference. First operand has 440 states, 426 states have (on average 1.624413145539906) internal successors, (692), 433 states have internal predecessors, (692), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:16:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:41,869 INFO L93 Difference]: Finished difference Result 876 states and 1401 transitions. [2025-03-09 06:16:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:16:41,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-09 06:16:41,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:41,877 INFO L225 Difference]: With dead ends: 876 [2025-03-09 06:16:41,877 INFO L226 Difference]: Without dead ends: 398 [2025-03-09 06:16:41,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:16:41,884 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:41,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-03-09 06:16:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2025-03-09 06:16:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 386 states have (on average 1.461139896373057) internal successors, (564), 392 states have internal predecessors, (564), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 06:16:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2025-03-09 06:16:41,932 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 8 [2025-03-09 06:16:41,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:41,932 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2025-03-09 06:16:41,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:16:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2025-03-09 06:16:41,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 06:16:41,932 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:41,933 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:41,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:16:41,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:41,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:41,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1726434699, now seen corresponding path program 1 times [2025-03-09 06:16:41,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:41,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939582218] [2025-03-09 06:16:41,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:41,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:41,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:16:41,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:16:41,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:41,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-09 06:16:41,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829142488] [2025-03-09 06:16:41,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:41,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:41,983 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) [2025-03-09 06:16:41,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 06:16:42,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:16:42,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:16:42,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:42,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:42,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-09 06:16:42,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:42,128 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 [2025-03-09 06:16:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:42,159 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:42,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:42,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939582218] [2025-03-09 06:16:42,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-09 06:16:42,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829142488] [2025-03-09 06:16:42,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829142488] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:42,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:42,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:42,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968054711] [2025-03-09 06:16:42,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:42,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:42,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:42,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:42,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:42,162 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:16:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:42,380 INFO L93 Difference]: Finished difference Result 785 states and 1134 transitions. [2025-03-09 06:16:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:42,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-09 06:16:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:42,384 INFO L225 Difference]: With dead ends: 785 [2025-03-09 06:16:42,384 INFO L226 Difference]: Without dead ends: 783 [2025-03-09 06:16:42,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:42,385 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 547 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:42,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1514 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:16:42,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2025-03-09 06:16:42,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 404. [2025-03-09 06:16:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 392 states have (on average 1.4566326530612246) internal successors, (571), 398 states have internal predecessors, (571), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 06:16:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 579 transitions. [2025-03-09 06:16:42,399 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 579 transitions. Word has length 8 [2025-03-09 06:16:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:42,399 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 579 transitions. [2025-03-09 06:16:42,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 06:16:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 579 transitions. [2025-03-09 06:16:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-09 06:16:42,401 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:42,401 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:42,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 06:16:42,605 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 [2025-03-09 06:16:42,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:42,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:42,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1964652289, now seen corresponding path program 1 times [2025-03-09 06:16:42,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:42,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552194214] [2025-03-09 06:16:42,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:42,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:42,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 06:16:42,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 06:16:42,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:42,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:42,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:42,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552194214] [2025-03-09 06:16:42,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552194214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:42,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:42,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:16:42,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509529538] [2025-03-09 06:16:42,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:42,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:42,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:42,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:42,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:42,862 INFO L87 Difference]: Start difference. First operand 404 states and 579 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 06:16:42,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:42,997 INFO L93 Difference]: Finished difference Result 552 states and 789 transitions. [2025-03-09 06:16:42,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 06:16:42,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2025-03-09 06:16:42,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:43,000 INFO L225 Difference]: With dead ends: 552 [2025-03-09 06:16:43,000 INFO L226 Difference]: Without dead ends: 362 [2025-03-09 06:16:43,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:43,001 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 30 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:43,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1295 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:43,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-03-09 06:16:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2025-03-09 06:16:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 350 states have (on average 1.4114285714285715) internal successors, (494), 356 states have internal predecessors, (494), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-09 06:16:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 502 transitions. [2025-03-09 06:16:43,019 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 502 transitions. Word has length 69 [2025-03-09 06:16:43,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:43,019 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 502 transitions. [2025-03-09 06:16:43,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 06:16:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 502 transitions. [2025-03-09 06:16:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-09 06:16:43,024 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:43,024 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:43,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:16:43,024 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:43,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1047783803, now seen corresponding path program 1 times [2025-03-09 06:16:43,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:43,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994395676] [2025-03-09 06:16:43,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:43,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:43,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-09 06:16:43,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-09 06:16:43,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:43,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:43,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:43,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994395676] [2025-03-09 06:16:43,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994395676] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:43,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:43,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:16:43,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181734879] [2025-03-09 06:16:43,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:43,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:43,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:43,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:43,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:43,139 INFO L87 Difference]: Start difference. First operand 362 states and 502 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 06:16:43,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:43,209 INFO L93 Difference]: Finished difference Result 510 states and 701 transitions. [2025-03-09 06:16:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:43,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2025-03-09 06:16:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:43,211 INFO L225 Difference]: With dead ends: 510 [2025-03-09 06:16:43,211 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 06:16:43,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:43,212 INFO L435 NwaCegarLoop]: 454 mSDtfsCounter, 0 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:43,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1357 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 06:16:43,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2025-03-09 06:16:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 347 states have (on average 1.4121037463976944) internal successors, (490), 352 states have internal predecessors, (490), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:16:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 496 transitions. [2025-03-09 06:16:43,225 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 496 transitions. Word has length 69 [2025-03-09 06:16:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:43,226 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 496 transitions. [2025-03-09 06:16:43,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 06:16:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 496 transitions. [2025-03-09 06:16:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-09 06:16:43,228 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:43,228 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:43,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:16:43,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:43,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:43,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2111142793, now seen corresponding path program 1 times [2025-03-09 06:16:43,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:43,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864372226] [2025-03-09 06:16:43,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:43,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:43,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-09 06:16:43,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-09 06:16:43,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:43,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:43,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:43,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864372226] [2025-03-09 06:16:43,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864372226] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:43,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:43,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:43,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762756920] [2025-03-09 06:16:43,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:43,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:16:43,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:43,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:16:43,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:43,326 INFO L87 Difference]: Start difference. First operand 357 states and 496 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2025-03-09 06:16:43,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:43,399 INFO L93 Difference]: Finished difference Result 507 states and 697 transitions. [2025-03-09 06:16:43,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:16:43,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2025-03-09 06:16:43,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:43,401 INFO L225 Difference]: With dead ends: 507 [2025-03-09 06:16:43,401 INFO L226 Difference]: Without dead ends: 357 [2025-03-09 06:16:43,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:43,401 INFO L435 NwaCegarLoop]: 449 mSDtfsCounter, 15 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:43,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 873 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:43,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-03-09 06:16:43,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2025-03-09 06:16:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 347 states have (on average 1.4005763688760806) internal successors, (486), 352 states have internal predecessors, (486), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:16:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 492 transitions. [2025-03-09 06:16:43,410 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 492 transitions. Word has length 70 [2025-03-09 06:16:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:43,410 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 492 transitions. [2025-03-09 06:16:43,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2025-03-09 06:16:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 492 transitions. [2025-03-09 06:16:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-09 06:16:43,412 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:43,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:43,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 06:16:43,412 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:43,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:43,413 INFO L85 PathProgramCache]: Analyzing trace with hash 128930564, now seen corresponding path program 1 times [2025-03-09 06:16:43,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:43,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186673173] [2025-03-09 06:16:43,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:43,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:43,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 06:16:43,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 06:16:43,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:43,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:43,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:43,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186673173] [2025-03-09 06:16:43,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186673173] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:43,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:43,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 06:16:43,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858680204] [2025-03-09 06:16:43,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:43,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:43,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:43,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:43,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:43,634 INFO L87 Difference]: Start difference. First operand 357 states and 492 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2025-03-09 06:16:43,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:43,723 INFO L93 Difference]: Finished difference Result 663 states and 908 transitions. [2025-03-09 06:16:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 06:16:43,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2025-03-09 06:16:43,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:43,724 INFO L225 Difference]: With dead ends: 663 [2025-03-09 06:16:43,725 INFO L226 Difference]: Without dead ends: 315 [2025-03-09 06:16:43,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:43,726 INFO L435 NwaCegarLoop]: 353 mSDtfsCounter, 30 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:43,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1041 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-03-09 06:16:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2025-03-09 06:16:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 305 states have (on average 1.340983606557377) internal successors, (409), 310 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:16:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 415 transitions. [2025-03-09 06:16:43,735 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 415 transitions. Word has length 80 [2025-03-09 06:16:43,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:43,736 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 415 transitions. [2025-03-09 06:16:43,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2025-03-09 06:16:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 415 transitions. [2025-03-09 06:16:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-09 06:16:43,736 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:43,737 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:43,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 06:16:43,737 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:43,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:43,737 INFO L85 PathProgramCache]: Analyzing trace with hash -287432132, now seen corresponding path program 1 times [2025-03-09 06:16:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:43,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279310703] [2025-03-09 06:16:43,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:43,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 06:16:43,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 06:16:43,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:43,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:43,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:43,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279310703] [2025-03-09 06:16:43,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279310703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:43,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:43,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:43,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939446791] [2025-03-09 06:16:43,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:43,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:16:43,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:43,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:16:43,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:43,882 INFO L87 Difference]: Start difference. First operand 315 states and 415 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-03-09 06:16:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:43,943 INFO L93 Difference]: Finished difference Result 621 states and 820 transitions. [2025-03-09 06:16:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:16:43,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2025-03-09 06:16:43,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:43,945 INFO L225 Difference]: With dead ends: 621 [2025-03-09 06:16:43,945 INFO L226 Difference]: Without dead ends: 315 [2025-03-09 06:16:43,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:43,946 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 1 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:43,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 710 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-03-09 06:16:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2025-03-09 06:16:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 305 states have (on average 1.3311475409836067) internal successors, (406), 310 states have internal predecessors, (406), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:16:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 412 transitions. [2025-03-09 06:16:43,953 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 412 transitions. Word has length 80 [2025-03-09 06:16:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:43,953 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 412 transitions. [2025-03-09 06:16:43,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-03-09 06:16:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 412 transitions. [2025-03-09 06:16:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-09 06:16:43,954 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:43,954 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:43,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 06:16:43,954 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:43,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1016473026, now seen corresponding path program 1 times [2025-03-09 06:16:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:43,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903223508] [2025-03-09 06:16:43,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:43,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-09 06:16:43,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-09 06:16:43,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:43,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:44,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:44,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903223508] [2025-03-09 06:16:44,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903223508] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:44,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:44,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:44,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886379123] [2025-03-09 06:16:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:44,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:16:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:44,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:16:44,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:44,080 INFO L87 Difference]: Start difference. First operand 315 states and 412 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-03-09 06:16:44,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:44,171 INFO L93 Difference]: Finished difference Result 798 states and 1051 transitions. [2025-03-09 06:16:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:16:44,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2025-03-09 06:16:44,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:44,173 INFO L225 Difference]: With dead ends: 798 [2025-03-09 06:16:44,173 INFO L226 Difference]: Without dead ends: 406 [2025-03-09 06:16:44,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 06:16:44,173 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 177 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:44,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 720 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:44,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-03-09 06:16:44,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404. [2025-03-09 06:16:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.3274111675126903) internal successors, (523), 399 states have internal predecessors, (523), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 06:16:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 529 transitions. [2025-03-09 06:16:44,187 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 529 transitions. Word has length 80 [2025-03-09 06:16:44,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:44,188 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 529 transitions. [2025-03-09 06:16:44,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2025-03-09 06:16:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 529 transitions. [2025-03-09 06:16:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-09 06:16:44,188 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:44,189 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:44,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-09 06:16:44,189 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:44,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash -251456437, now seen corresponding path program 1 times [2025-03-09 06:16:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:44,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562935742] [2025-03-09 06:16:44,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:44,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:44,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-09 06:16:44,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-09 06:16:44,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:44,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:44,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562935742] [2025-03-09 06:16:44,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562935742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:44,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:44,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 06:16:44,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272298744] [2025-03-09 06:16:44,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:44,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 06:16:44,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:44,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 06:16:44,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 06:16:44,537 INFO L87 Difference]: Start difference. First operand 404 states and 529 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-03-09 06:16:44,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:44,652 INFO L93 Difference]: Finished difference Result 618 states and 810 transitions. [2025-03-09 06:16:44,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 06:16:44,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2025-03-09 06:16:44,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:44,655 INFO L225 Difference]: With dead ends: 618 [2025-03-09 06:16:44,655 INFO L226 Difference]: Without dead ends: 616 [2025-03-09 06:16:44,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-09 06:16:44,655 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 293 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:44,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 1147 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2025-03-09 06:16:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 467. [2025-03-09 06:16:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 454 states have (on average 1.3215859030837005) internal successors, (600), 459 states have internal predecessors, (600), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 06:16:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 612 transitions. [2025-03-09 06:16:44,665 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 612 transitions. Word has length 95 [2025-03-09 06:16:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:44,665 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 612 transitions. [2025-03-09 06:16:44,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 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) [2025-03-09 06:16:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 612 transitions. [2025-03-09 06:16:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-09 06:16:44,666 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:44,666 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:44,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-09 06:16:44,666 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:44,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash -52046214, now seen corresponding path program 1 times [2025-03-09 06:16:44,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:44,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001179802] [2025-03-09 06:16:44,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:44,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:44,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 06:16:44,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 06:16:44,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:44,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:16:44,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001179802] [2025-03-09 06:16:44,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001179802] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949329465] [2025-03-09 06:16:44,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:44,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:44,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:44,960 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) [2025-03-09 06:16:44,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 06:16:45,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-09 06:16:45,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-09 06:16:45,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:45,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:45,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-03-09 06:16:45,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:45,203 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 [2025-03-09 06:16:45,219 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 [2025-03-09 06:16:45,232 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 [2025-03-09 06:16:45,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-09 06:16:45,617 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 [2025-03-09 06:16:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-09 06:16:45,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:45,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949329465] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:45,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:45,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2025-03-09 06:16:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197450366] [2025-03-09 06:16:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:45,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-09 06:16:45,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:45,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-09 06:16:45,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-09 06:16:45,795 INFO L87 Difference]: Start difference. First operand 467 states and 612 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2025-03-09 06:16:47,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:47,385 INFO L93 Difference]: Finished difference Result 1040 states and 1373 transitions. [2025-03-09 06:16:47,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-09 06:16:47,385 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 101 [2025-03-09 06:16:47,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:47,387 INFO L225 Difference]: With dead ends: 1040 [2025-03-09 06:16:47,387 INFO L226 Difference]: Without dead ends: 618 [2025-03-09 06:16:47,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2025-03-09 06:16:47,390 INFO L435 NwaCegarLoop]: 387 mSDtfsCounter, 486 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 2797 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:47,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 2797 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-09 06:16:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2025-03-09 06:16:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 467. [2025-03-09 06:16:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 454 states have (on average 1.3193832599118942) internal successors, (599), 459 states have internal predecessors, (599), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 06:16:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 611 transitions. [2025-03-09 06:16:47,402 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 611 transitions. Word has length 101 [2025-03-09 06:16:47,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:47,403 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 611 transitions. [2025-03-09 06:16:47,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2025-03-09 06:16:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 611 transitions. [2025-03-09 06:16:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-09 06:16:47,404 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:47,405 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:47,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 06:16:47,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-09 06:16:47,607 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:47,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:47,607 INFO L85 PathProgramCache]: Analyzing trace with hash -854084561, now seen corresponding path program 1 times [2025-03-09 06:16:47,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:47,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213311832] [2025-03-09 06:16:47,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:47,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:47,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 06:16:47,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 06:16:47,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:47,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-09 06:16:47,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:47,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213311832] [2025-03-09 06:16:47,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213311832] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:47,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777222834] [2025-03-09 06:16:47,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:47,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:47,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:47,842 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) [2025-03-09 06:16:47,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 06:16:48,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-09 06:16:48,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-09 06:16:48,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:48,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:48,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 06:16:48,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:48,220 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 [2025-03-09 06:16:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:16:48,253 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:48,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777222834] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:48,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 7 [2025-03-09 06:16:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920974630] [2025-03-09 06:16:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:48,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:16:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:48,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:16:48,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:16:48,255 INFO L87 Difference]: Start difference. First operand 467 states and 611 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 06:16:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:48,417 INFO L93 Difference]: Finished difference Result 842 states and 1108 transitions. [2025-03-09 06:16:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:16:48,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 102 [2025-03-09 06:16:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:48,420 INFO L225 Difference]: With dead ends: 842 [2025-03-09 06:16:48,420 INFO L226 Difference]: Without dead ends: 470 [2025-03-09 06:16:48,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-09 06:16:48,421 INFO L435 NwaCegarLoop]: 402 mSDtfsCounter, 189 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:48,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1946 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 06:16:48,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-03-09 06:16:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2025-03-09 06:16:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 456 states have (on average 1.3201754385964912) internal successors, (602), 462 states have internal predecessors, (602), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:16:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 616 transitions. [2025-03-09 06:16:48,434 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 616 transitions. Word has length 102 [2025-03-09 06:16:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:48,435 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 616 transitions. [2025-03-09 06:16:48,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 06:16:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 616 transitions. [2025-03-09 06:16:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-09 06:16:48,436 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:48,436 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:48,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:48,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:48,637 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:48,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2072952013, now seen corresponding path program 1 times [2025-03-09 06:16:48,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:48,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969514908] [2025-03-09 06:16:48,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:48,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:48,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-09 06:16:48,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-09 06:16:48,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:48,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:16:48,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:48,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969514908] [2025-03-09 06:16:48,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969514908] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:48,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111534524] [2025-03-09 06:16:48,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:48,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:48,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:48,969 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) [2025-03-09 06:16:48,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 06:16:49,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-09 06:16:49,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-09 06:16:49,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:49,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:49,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-03-09 06:16:49,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:49,261 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 [2025-03-09 06:16:49,283 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 [2025-03-09 06:16:49,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-09 06:16:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:16:49,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:49,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111534524] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:49,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:49,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2025-03-09 06:16:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628091329] [2025-03-09 06:16:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:49,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 06:16:49,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:49,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 06:16:49,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2025-03-09 06:16:49,909 INFO L87 Difference]: Start difference. First operand 470 states and 616 transitions. Second operand has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 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) [2025-03-09 06:16:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:51,072 INFO L93 Difference]: Finished difference Result 1057 states and 1399 transitions. [2025-03-09 06:16:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-09 06:16:51,072 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 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 104 [2025-03-09 06:16:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:51,075 INFO L225 Difference]: With dead ends: 1057 [2025-03-09 06:16:51,075 INFO L226 Difference]: Without dead ends: 637 [2025-03-09 06:16:51,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2025-03-09 06:16:51,076 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 746 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:51,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1733 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-09 06:16:51,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-03-09 06:16:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 482. [2025-03-09 06:16:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 468 states have (on average 1.3205128205128205) internal successors, (618), 474 states have internal predecessors, (618), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:16:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 632 transitions. [2025-03-09 06:16:51,090 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 632 transitions. Word has length 104 [2025-03-09 06:16:51,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:51,090 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 632 transitions. [2025-03-09 06:16:51,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 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) [2025-03-09 06:16:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 632 transitions. [2025-03-09 06:16:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 06:16:51,091 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:51,092 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:51,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-09 06:16:51,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:51,292 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:51,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:51,293 INFO L85 PathProgramCache]: Analyzing trace with hash 465548407, now seen corresponding path program 1 times [2025-03-09 06:16:51,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:51,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308272643] [2025-03-09 06:16:51,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:51,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:51,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 06:16:51,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 06:16:51,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:51,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:16:51,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:51,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308272643] [2025-03-09 06:16:51,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308272643] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:51,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:51,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-09 06:16:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577204607] [2025-03-09 06:16:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:51,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:16:51,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:51,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:16:51,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:16:51,511 INFO L87 Difference]: Start difference. First operand 482 states and 632 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:16:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:51,799 INFO L93 Difference]: Finished difference Result 915 states and 1211 transitions. [2025-03-09 06:16:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:16:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2025-03-09 06:16:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:51,801 INFO L225 Difference]: With dead ends: 915 [2025-03-09 06:16:51,801 INFO L226 Difference]: Without dead ends: 492 [2025-03-09 06:16:51,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:16:51,802 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 14 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:51,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1838 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:16:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-03-09 06:16:51,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 490. [2025-03-09 06:16:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 476 states have (on average 1.319327731092437) internal successors, (628), 482 states have internal predecessors, (628), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:16:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 642 transitions. [2025-03-09 06:16:51,812 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 642 transitions. Word has length 105 [2025-03-09 06:16:51,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:51,812 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 642 transitions. [2025-03-09 06:16:51,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:16:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 642 transitions. [2025-03-09 06:16:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-09 06:16:51,813 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:51,813 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:51,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-09 06:16:51,813 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:51,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:51,814 INFO L85 PathProgramCache]: Analyzing trace with hash 422800059, now seen corresponding path program 1 times [2025-03-09 06:16:51,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:51,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829930980] [2025-03-09 06:16:51,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:51,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:51,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-09 06:16:51,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-09 06:16:51,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:51,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:16:52,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:52,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829930980] [2025-03-09 06:16:52,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829930980] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:52,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:16:52,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-09 06:16:52,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243190390] [2025-03-09 06:16:52,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:52,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 06:16:52,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:52,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 06:16:52,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:16:52,011 INFO L87 Difference]: Start difference. First operand 490 states and 642 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) 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) [2025-03-09 06:16:52,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:52,272 INFO L93 Difference]: Finished difference Result 930 states and 1231 transitions. [2025-03-09 06:16:52,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 06:16:52,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) 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 105 [2025-03-09 06:16:52,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:52,274 INFO L225 Difference]: With dead ends: 930 [2025-03-09 06:16:52,274 INFO L226 Difference]: Without dead ends: 496 [2025-03-09 06:16:52,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 06:16:52,274 INFO L435 NwaCegarLoop]: 364 mSDtfsCounter, 9 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:52,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1552 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:16:52,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-03-09 06:16:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2025-03-09 06:16:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 482 states have (on average 1.3153526970954357) internal successors, (634), 488 states have internal predecessors, (634), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:16:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 648 transitions. [2025-03-09 06:16:52,285 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 648 transitions. Word has length 105 [2025-03-09 06:16:52,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:52,285 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 648 transitions. [2025-03-09 06:16:52,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) 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) [2025-03-09 06:16:52,286 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 648 transitions. [2025-03-09 06:16:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-09 06:16:52,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:52,286 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:52,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-09 06:16:52,287 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:52,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:52,287 INFO L85 PathProgramCache]: Analyzing trace with hash -935885556, now seen corresponding path program 1 times [2025-03-09 06:16:52,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:52,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312626821] [2025-03-09 06:16:52,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:52,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:52,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 06:16:52,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 06:16:52,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:52,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:16:52,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:52,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312626821] [2025-03-09 06:16:52,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312626821] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:52,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203458069] [2025-03-09 06:16:52,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:52,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:52,656 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) [2025-03-09 06:16:52,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 06:16:52,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 06:16:52,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 06:16:52,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:52,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:52,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 06:16:52,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:16:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:16:53,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:16:53,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203458069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:16:53,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:16:53,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-09 06:16:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344345177] [2025-03-09 06:16:53,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:16:53,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:16:53,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:16:53,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:16:53,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:16:53,024 INFO L87 Difference]: Start difference. First operand 496 states and 648 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) [2025-03-09 06:16:53,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:16:53,331 INFO L93 Difference]: Finished difference Result 944 states and 1246 transitions. [2025-03-09 06:16:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-09 06:16:53,332 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 106 [2025-03-09 06:16:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:16:53,333 INFO L225 Difference]: With dead ends: 944 [2025-03-09 06:16:53,333 INFO L226 Difference]: Without dead ends: 500 [2025-03-09 06:16:53,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-09 06:16:53,334 INFO L435 NwaCegarLoop]: 355 mSDtfsCounter, 42 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:16:53,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1859 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:16:53,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2025-03-09 06:16:53,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 488. [2025-03-09 06:16:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 474 states have (on average 1.3080168776371308) internal successors, (620), 480 states have internal predecessors, (620), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:16:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 634 transitions. [2025-03-09 06:16:53,345 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 634 transitions. Word has length 106 [2025-03-09 06:16:53,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:16:53,346 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 634 transitions. [2025-03-09 06:16:53,346 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) [2025-03-09 06:16:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 634 transitions. [2025-03-09 06:16:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-09 06:16:53,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:16:53,346 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:16:53,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-09 06:16:53,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-09 06:16:53,547 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:16:53,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:16:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1166964184, now seen corresponding path program 1 times [2025-03-09 06:16:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:16:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158442041] [2025-03-09 06:16:53,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:16:53,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 06:16:53,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 06:16:53,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:53,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:53,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:16:53,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:16:53,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158442041] [2025-03-09 06:16:53,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158442041] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:16:53,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431996219] [2025-03-09 06:16:53,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:16:53,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:16:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:16:53,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:16:53,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 06:16:54,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-09 06:16:54,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-09 06:16:54,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:16:54,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:16:54,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 06:16:54,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:17:06,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:17:06,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431996219] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:06,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:17:06,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-09 06:17:06,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770068529] [2025-03-09 06:17:06,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:06,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:17:06,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:06,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:17:06,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:06,934 INFO L87 Difference]: Start difference. First operand 488 states and 634 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) [2025-03-09 06:17:11,342 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] [2025-03-09 06:17:13,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-03-09 06:17:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:13,744 INFO L93 Difference]: Finished difference Result 922 states and 1211 transitions. [2025-03-09 06:17:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:17:13,745 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 106 [2025-03-09 06:17:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:13,746 INFO L225 Difference]: With dead ends: 922 [2025-03-09 06:17:13,746 INFO L226 Difference]: Without dead ends: 498 [2025-03-09 06:17:13,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:13,747 INFO L435 NwaCegarLoop]: 359 mSDtfsCounter, 12 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:13,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1844 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2025-03-09 06:17:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-03-09 06:17:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 488. [2025-03-09 06:17:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 474 states have (on average 1.3080168776371308) internal successors, (620), 480 states have internal predecessors, (620), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 634 transitions. [2025-03-09 06:17:13,760 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 634 transitions. Word has length 106 [2025-03-09 06:17:13,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:13,761 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 634 transitions. [2025-03-09 06:17:13,761 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) [2025-03-09 06:17:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 634 transitions. [2025-03-09 06:17:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-09 06:17:13,762 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:13,762 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:13,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-09 06:17:13,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 06:17:13,962 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:13,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1549839912, now seen corresponding path program 1 times [2025-03-09 06:17:13,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:13,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692681041] [2025-03-09 06:17:13,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:13,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:13,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 06:17:14,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 06:17:14,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:14,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:17:14,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:14,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692681041] [2025-03-09 06:17:14,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692681041] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:14,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:17:14,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:17:14,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641606530] [2025-03-09 06:17:14,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:14,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:17:14,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:14,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:17:14,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:14,314 INFO L87 Difference]: Start difference. First operand 488 states and 634 transitions. Second operand has 10 states, 10 states have (on average 10.0) 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) [2025-03-09 06:17:14,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:14,739 INFO L93 Difference]: Finished difference Result 944 states and 1240 transitions. [2025-03-09 06:17:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:17:14,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) 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) Word has length 108 [2025-03-09 06:17:14,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:14,741 INFO L225 Difference]: With dead ends: 944 [2025-03-09 06:17:14,741 INFO L226 Difference]: Without dead ends: 520 [2025-03-09 06:17:14,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-09 06:17:14,742 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 26 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:14,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2210 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 06:17:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-03-09 06:17:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 508. [2025-03-09 06:17:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 494 states have (on average 1.3036437246963564) internal successors, (644), 500 states have internal predecessors, (644), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 658 transitions. [2025-03-09 06:17:14,754 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 658 transitions. Word has length 108 [2025-03-09 06:17:14,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:14,755 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 658 transitions. [2025-03-09 06:17:14,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) 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) [2025-03-09 06:17:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 658 transitions. [2025-03-09 06:17:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-09 06:17:14,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:14,756 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:14,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-09 06:17:14,756 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:14,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:14,757 INFO L85 PathProgramCache]: Analyzing trace with hash 529420241, now seen corresponding path program 1 times [2025-03-09 06:17:14,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:14,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703863088] [2025-03-09 06:17:14,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:14,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:14,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 06:17:14,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 06:17:14,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:14,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:17:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703863088] [2025-03-09 06:17:15,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703863088] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800244271] [2025-03-09 06:17:15,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:15,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:15,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:15,101 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:15,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 06:17:15,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 06:17:15,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 06:17:15,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:15,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:15,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-09 06:17:15,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:17:16,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:17:16,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800244271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:16,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:17:16,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-03-09 06:17:16,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233938684] [2025-03-09 06:17:16,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:16,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 06:17:16,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:16,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 06:17:16,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2025-03-09 06:17:16,121 INFO L87 Difference]: Start difference. First operand 508 states and 658 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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) [2025-03-09 06:17:16,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:16,994 INFO L93 Difference]: Finished difference Result 952 states and 1242 transitions. [2025-03-09 06:17:16,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:17:16,995 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2025-03-09 06:17:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:16,996 INFO L225 Difference]: With dead ends: 952 [2025-03-09 06:17:16,996 INFO L226 Difference]: Without dead ends: 518 [2025-03-09 06:17:16,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2025-03-09 06:17:16,997 INFO L435 NwaCegarLoop]: 358 mSDtfsCounter, 11 mSDsluCounter, 2697 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:16,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3055 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-09 06:17:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-03-09 06:17:17,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 514. [2025-03-09 06:17:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 500 states have (on average 1.3) internal successors, (650), 506 states have internal predecessors, (650), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 664 transitions. [2025-03-09 06:17:17,011 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 664 transitions. Word has length 108 [2025-03-09 06:17:17,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:17,011 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 664 transitions. [2025-03-09 06:17:17,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 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) [2025-03-09 06:17:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 664 transitions. [2025-03-09 06:17:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-09 06:17:17,011 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:17,011 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:17,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 06:17:17,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:17,216 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:17,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash 260512181, now seen corresponding path program 1 times [2025-03-09 06:17:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428785714] [2025-03-09 06:17:17,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:17,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 06:17:17,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 06:17:17,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:17,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:17:17,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:17,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428785714] [2025-03-09 06:17:17,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428785714] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:17,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203850894] [2025-03-09 06:17:17,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:17,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:17,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:17,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 06:17:17,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-09 06:17:17,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-09 06:17:17,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:17,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:17,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-09 06:17:17,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-09 06:17:18,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:17:18,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203850894] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:18,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:17:18,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2025-03-09 06:17:18,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381670107] [2025-03-09 06:17:18,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:18,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-09 06:17:18,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:18,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-09 06:17:18,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:18,022 INFO L87 Difference]: Start difference. First operand 514 states and 664 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:17:18,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:18,434 INFO L93 Difference]: Finished difference Result 961 states and 1256 transitions. [2025-03-09 06:17:18,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 06:17:18,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2025-03-09 06:17:18,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:18,437 INFO L225 Difference]: With dead ends: 961 [2025-03-09 06:17:18,437 INFO L226 Difference]: Without dead ends: 524 [2025-03-09 06:17:18,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:18,437 INFO L435 NwaCegarLoop]: 359 mSDtfsCounter, 10 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:18,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1844 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 06:17:18,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-03-09 06:17:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 514. [2025-03-09 06:17:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 500 states have (on average 1.3) internal successors, (650), 506 states have internal predecessors, (650), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 664 transitions. [2025-03-09 06:17:18,449 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 664 transitions. Word has length 108 [2025-03-09 06:17:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:18,450 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 664 transitions. [2025-03-09 06:17:18,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 06:17:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 664 transitions. [2025-03-09 06:17:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-09 06:17:18,450 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:18,450 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:18,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 06:17:18,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:18,651 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:18,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:18,652 INFO L85 PathProgramCache]: Analyzing trace with hash 635534282, now seen corresponding path program 1 times [2025-03-09 06:17:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:18,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591965205] [2025-03-09 06:17:18,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:18,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:18,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-09 06:17:18,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-09 06:17:18,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:18,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:17:18,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:18,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591965205] [2025-03-09 06:17:18,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591965205] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:18,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792300067] [2025-03-09 06:17:18,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:18,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:18,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:18,891 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:18,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 06:17:19,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-09 06:17:19,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-09 06:17:19,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:19,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:19,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-09 06:17:19,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:19,308 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 [2025-03-09 06:17:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:17:19,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:17:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-09 06:17:19,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792300067] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:17:19,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:17:19,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 9] total 17 [2025-03-09 06:17:19,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402381742] [2025-03-09 06:17:19,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:17:19,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-09 06:17:19,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:19,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-09 06:17:19,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-03-09 06:17:19,875 INFO L87 Difference]: Start difference. First operand 514 states and 664 transitions. Second operand has 17 states, 17 states have (on average 12.352941176470589) internal successors, (210), 17 states have internal predecessors, (210), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 06:17:24,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-09 06:17:28,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-09 06:17:32,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-09 06:17:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:32,874 INFO L93 Difference]: Finished difference Result 1152 states and 1504 transitions. [2025-03-09 06:17:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-09 06:17:32,874 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.352941176470589) internal successors, (210), 17 states have internal predecessors, (210), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 109 [2025-03-09 06:17:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:32,877 INFO L225 Difference]: With dead ends: 1152 [2025-03-09 06:17:32,877 INFO L226 Difference]: Without dead ends: 753 [2025-03-09 06:17:32,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2025-03-09 06:17:32,901 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 609 mSDsluCounter, 3962 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 30 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:32,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 4385 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 679 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2025-03-09 06:17:32,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2025-03-09 06:17:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 599. [2025-03-09 06:17:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 579 states have (on average 1.310880829015544) internal successors, (759), 586 states have internal predecessors, (759), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-09 06:17:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 779 transitions. [2025-03-09 06:17:32,923 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 779 transitions. Word has length 109 [2025-03-09 06:17:32,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:32,924 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 779 transitions. [2025-03-09 06:17:32,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.352941176470589) internal successors, (210), 17 states have internal predecessors, (210), 3 states have call successors, (5), 2 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-09 06:17:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 779 transitions. [2025-03-09 06:17:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-09 06:17:32,925 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:32,925 INFO L218 NwaCegarLoop]: trace histogram [6, 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] [2025-03-09 06:17:32,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-09 06:17:33,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:33,129 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:33,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:33,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1296272122, now seen corresponding path program 2 times [2025-03-09 06:17:33,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:33,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672936559] [2025-03-09 06:17:33,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:17:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:33,162 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-03-09 06:17:33,278 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-03-09 06:17:33,278 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:17:33,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-09 06:17:33,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:33,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672936559] [2025-03-09 06:17:33,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672936559] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:33,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246876281] [2025-03-09 06:17:33,443 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:17:33,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:33,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:33,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 06:17:33,721 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-03-09 06:17:33,730 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 113 statements. [2025-03-09 06:17:33,730 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 06:17:33,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:33,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-09 06:17:33,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:33,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-09 06:17:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-09 06:17:33,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 06:17:33,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246876281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:33,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-09 06:17:33,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-03-09 06:17:33,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831681680] [2025-03-09 06:17:33,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:33,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 06:17:33,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:33,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 06:17:33,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:17:33,752 INFO L87 Difference]: Start difference. First operand 599 states and 779 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 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) [2025-03-09 06:17:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:33,807 INFO L93 Difference]: Finished difference Result 599 states and 779 transitions. [2025-03-09 06:17:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 06:17:33,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 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 113 [2025-03-09 06:17:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:33,809 INFO L225 Difference]: With dead ends: 599 [2025-03-09 06:17:33,809 INFO L226 Difference]: Without dead ends: 598 [2025-03-09 06:17:33,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-09 06:17:33,810 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 1 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:33,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 732 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 06:17:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2025-03-09 06:17:33,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2025-03-09 06:17:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 579 states have (on average 1.309153713298791) internal successors, (758), 585 states have internal predecessors, (758), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2025-03-09 06:17:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 778 transitions. [2025-03-09 06:17:33,838 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 778 transitions. Word has length 113 [2025-03-09 06:17:33,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:33,839 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 778 transitions. [2025-03-09 06:17:33,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 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) [2025-03-09 06:17:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 778 transitions. [2025-03-09 06:17:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-09 06:17:33,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:33,840 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:33,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 06:17:34,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-03-09 06:17:34,044 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:34,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1529729419, now seen corresponding path program 1 times [2025-03-09 06:17:34,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:34,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594996697] [2025-03-09 06:17:34,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:34,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-09 06:17:34,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-09 06:17:34,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:34,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-09 06:17:34,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594996697] [2025-03-09 06:17:34,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594996697] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417882439] [2025-03-09 06:17:34,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:34,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:34,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:34,372 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:34,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 06:17:34,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-09 06:17:34,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-09 06:17:34,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:34,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:34,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-09 06:17:34,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-09 06:17:34,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:17:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-09 06:17:34,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417882439] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:17:34,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:17:34,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 13 [2025-03-09 06:17:34,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018023311] [2025-03-09 06:17:34,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:17:34,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-09 06:17:34,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:34,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-09 06:17:34,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-03-09 06:17:34,921 INFO L87 Difference]: Start difference. First operand 598 states and 778 transitions. Second operand has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:17:35,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:35,183 INFO L93 Difference]: Finished difference Result 1032 states and 1347 transitions. [2025-03-09 06:17:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 06:17:35,183 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 114 [2025-03-09 06:17:35,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:35,185 INFO L225 Difference]: With dead ends: 1032 [2025-03-09 06:17:35,186 INFO L226 Difference]: Without dead ends: 549 [2025-03-09 06:17:35,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2025-03-09 06:17:35,189 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 30 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:35,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1760 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 06:17:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2025-03-09 06:17:35,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 545. [2025-03-09 06:17:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 528 states have (on average 1.303030303030303) internal successors, (688), 534 states have internal predecessors, (688), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2025-03-09 06:17:35,206 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 114 [2025-03-09 06:17:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:35,206 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2025-03-09 06:17:35,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 13 states have internal predecessors, (121), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-09 06:17:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2025-03-09 06:17:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-09 06:17:35,208 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:35,208 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:35,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-09 06:17:35,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-09 06:17:35,408 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:35,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:35,409 INFO L85 PathProgramCache]: Analyzing trace with hash 980731253, now seen corresponding path program 2 times [2025-03-09 06:17:35,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:35,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555531781] [2025-03-09 06:17:35,410 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:17:35,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:35,443 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-03-09 06:17:35,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 06:17:35,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:17:35,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-09 06:17:35,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:35,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555531781] [2025-03-09 06:17:35,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555531781] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:35,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432323809] [2025-03-09 06:17:35,833 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:17:35,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:35,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:35,835 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:35,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 06:17:36,118 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-03-09 06:17:36,508 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-03-09 06:17:36,508 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:17:36,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:36,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 06:17:36,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 28 proven. 37 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-09 06:17:36,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:17:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 9 refuted. 1 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-09 06:17:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432323809] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:17:40,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:17:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 22 [2025-03-09 06:17:40,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040983950] [2025-03-09 06:17:40,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:17:40,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-09 06:17:40,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:40,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-09 06:17:40,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=337, Unknown=1, NotChecked=0, Total=462 [2025-03-09 06:17:40,761 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand has 22 states, 22 states have (on average 5.863636363636363) internal successors, (129), 22 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:17:41,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:41,398 INFO L93 Difference]: Finished difference Result 1002 states and 1310 transitions. [2025-03-09 06:17:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-09 06:17:41,398 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.863636363636363) internal successors, (129), 22 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 118 [2025-03-09 06:17:41,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:41,400 INFO L225 Difference]: With dead ends: 1002 [2025-03-09 06:17:41,401 INFO L226 Difference]: Without dead ends: 576 [2025-03-09 06:17:41,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=313, Invalid=742, Unknown=1, NotChecked=0, Total=1056 [2025-03-09 06:17:41,403 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 33 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:41,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2834 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 06:17:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2025-03-09 06:17:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2025-03-09 06:17:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 547 states have (on average 1.319926873857404) internal successors, (722), 553 states have internal predecessors, (722), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 736 transitions. [2025-03-09 06:17:41,422 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 736 transitions. Word has length 118 [2025-03-09 06:17:41,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:41,422 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 736 transitions. [2025-03-09 06:17:41,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.863636363636363) internal successors, (129), 22 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:17:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 736 transitions. [2025-03-09 06:17:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-09 06:17:41,423 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:41,423 INFO L218 NwaCegarLoop]: trace histogram [19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:41,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-09 06:17:41,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-09 06:17:41,624 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:41,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:41,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2099754321, now seen corresponding path program 3 times [2025-03-09 06:17:41,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:41,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374668907] [2025-03-09 06:17:41,625 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 06:17:41,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:41,661 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 8 equivalence classes. [2025-03-09 06:17:41,685 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 101 of 127 statements. [2025-03-09 06:17:41,685 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-09 06:17:41,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-03-09 06:17:41,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:41,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374668907] [2025-03-09 06:17:41,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374668907] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:17:41,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:17:41,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-09 06:17:41,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140130679] [2025-03-09 06:17:41,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:17:41,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-09 06:17:41,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:41,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-09 06:17:41,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:41,976 INFO L87 Difference]: Start difference. First operand 564 states and 736 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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) [2025-03-09 06:17:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:42,486 INFO L93 Difference]: Finished difference Result 1055 states and 1390 transitions. [2025-03-09 06:17:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-09 06:17:42,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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 127 [2025-03-09 06:17:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:42,489 INFO L225 Difference]: With dead ends: 1055 [2025-03-09 06:17:42,489 INFO L226 Difference]: Without dead ends: 578 [2025-03-09 06:17:42,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-09 06:17:42,490 INFO L435 NwaCegarLoop]: 351 mSDtfsCounter, 13 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:42,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2736 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-09 06:17:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-03-09 06:17:42,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 564. [2025-03-09 06:17:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 547 states have (on average 1.319926873857404) internal successors, (722), 553 states have internal predecessors, (722), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 736 transitions. [2025-03-09 06:17:42,504 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 736 transitions. Word has length 127 [2025-03-09 06:17:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:42,506 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 736 transitions. [2025-03-09 06:17:42,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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) [2025-03-09 06:17:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 736 transitions. [2025-03-09 06:17:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-09 06:17:42,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:42,506 INFO L218 NwaCegarLoop]: trace histogram [19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:42,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-09 06:17:42,507 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:42,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash 981661960, now seen corresponding path program 1 times [2025-03-09 06:17:42,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:42,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236108224] [2025-03-09 06:17:42,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:42,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 06:17:42,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 06:17:42,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:42,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-03-09 06:17:42,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:42,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236108224] [2025-03-09 06:17:42,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236108224] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:42,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725586530] [2025-03-09 06:17:42,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:17:42,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:42,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:42,984 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:42,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 06:17:43,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-09 06:17:43,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-09 06:17:43,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:17:43,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:43,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-09 06:17:43,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 113 proven. 28 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-03-09 06:17:43,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 06:17:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-03-09 06:17:43,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725586530] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 06:17:43,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 06:17:43,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2025-03-09 06:17:43,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939493744] [2025-03-09 06:17:43,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 06:17:43,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-09 06:17:43,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:17:43,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-09 06:17:43,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2025-03-09 06:17:43,963 INFO L87 Difference]: Start difference. First operand 564 states and 736 transitions. Second operand has 28 states, 28 states have (on average 4.821428571428571) internal successors, (135), 28 states have internal predecessors, (135), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:17:45,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 06:17:45,071 INFO L93 Difference]: Finished difference Result 1034 states and 1365 transitions. [2025-03-09 06:17:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-09 06:17:45,072 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.821428571428571) internal successors, (135), 28 states have internal predecessors, (135), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 127 [2025-03-09 06:17:45,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 06:17:45,074 INFO L225 Difference]: With dead ends: 1034 [2025-03-09 06:17:45,074 INFO L226 Difference]: Without dead ends: 590 [2025-03-09 06:17:45,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=612, Invalid=1368, Unknown=0, NotChecked=0, Total=1980 [2025-03-09 06:17:45,075 INFO L435 NwaCegarLoop]: 368 mSDtfsCounter, 10 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3670 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-09 06:17:45,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3670 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-09 06:17:45,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2025-03-09 06:17:45,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 582. [2025-03-09 06:17:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 565 states have (on average 1.3097345132743363) internal successors, (740), 571 states have internal predecessors, (740), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-03-09 06:17:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 754 transitions. [2025-03-09 06:17:45,096 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 754 transitions. Word has length 127 [2025-03-09 06:17:45,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 06:17:45,097 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 754 transitions. [2025-03-09 06:17:45,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.821428571428571) internal successors, (135), 28 states have internal predecessors, (135), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-09 06:17:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 754 transitions. [2025-03-09 06:17:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-09 06:17:45,098 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 06:17:45,098 INFO L218 NwaCegarLoop]: trace histogram [28, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:17:45,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-09 06:17:45,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-09 06:17:45,302 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 06:17:45,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:17:45,302 INFO L85 PathProgramCache]: Analyzing trace with hash -247810786, now seen corresponding path program 2 times [2025-03-09 06:17:45,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:17:45,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435920282] [2025-03-09 06:17:45,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:17:45,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:17:45,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 136 statements into 2 equivalence classes. [2025-03-09 06:17:45,519 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-03-09 06:17:45,519 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:17:45,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 6 proven. 359 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-03-09 06:17:46,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:17:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435920282] [2025-03-09 06:17:46,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435920282] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 06:17:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011788576] [2025-03-09 06:17:46,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 06:17:46,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 06:17:46,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:17:46,201 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 06:17:46,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 06:17:46,550 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 136 statements into 2 equivalence classes. [2025-03-09 06:17:47,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-03-09 06:17:47,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 06:17:47,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:17:47,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 203 conjuncts are in the unsatisfiable core [2025-03-09 06:17:47,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 06:17:47,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2025-03-09 06:17:47,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-03-09 06:17:47,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-09 06:17:47,608 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2025-03-09 06:17:47,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2025-03-09 06:17:47,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2025-03-09 06:17:47,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2025-03-09 06:17:48,072 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2025-03-09 06:17:48,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2025-03-09 06:17:48,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13