./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:39:32,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:39:32,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:39:32,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:39:32,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:39:32,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:39:32,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:39:32,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:39:32,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:39:32,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:39:32,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:39:32,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:39:32,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:39:32,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:39:32,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:39:32,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:39:32,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:39:32,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:39:32,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:39:32,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:39:32,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:39:32,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:39:32,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:39:32,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:39:32,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:39:32,595 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:39:32,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:39:32,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:39:32,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:39:32,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:39:32,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:39:32,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:39:32,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:39:32,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:39:32,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:39:32,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:39:32,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:39:32,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:39:32,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:39:32,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:39:32,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:39:32,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:39:32,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:39:32,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:39:32,602 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2024-11-19 13:39:32,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:39:32,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:39:32,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:39:32,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:39:32,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:39:32,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-11-19 13:39:34,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:39:34,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:39:34,668 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-11-19 13:39:34,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c64cb5c8/e02365e673134704b6480a7eb4542af3/FLAG4dbd03bb1 [2024-11-19 13:39:34,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c64cb5c8/e02365e673134704b6480a7eb4542af3 [2024-11-19 13:39:34,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:39:34,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:39:34,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:39:34,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:39:34,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:39:34,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:39:34" (1/1) ... [2024-11-19 13:39:34,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c99b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:34, skipping insertion in model container [2024-11-19 13:39:34,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:39:34" (1/1) ... [2024-11-19 13:39:34,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:39:35,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:39:35,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:39:35,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:39:35,674 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:39:35,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35 WrapperNode [2024-11-19 13:39:35,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:39:35,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:39:35,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:39:35,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:39:35,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:35,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:35,853 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3456 [2024-11-19 13:39:35,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:39:35,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:39:35,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:39:35,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:39:35,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:35,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:35,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:35,964 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-19 13:39:35,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:35,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:36,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:36,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:36,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:36,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:36,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:39:36,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:39:36,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:39:36,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:39:36,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (1/1) ... [2024-11-19 13:39:36,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:39:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:36,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:39:36,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:39:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 13:39:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 13:39:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:39:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:39:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:39:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:39:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:39:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:39:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:39:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:39:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:39:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:39:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:39:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:39:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:39:36,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:39:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:39:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:39:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:39:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:39:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:39:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:39:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:39:36,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:39:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:39:36,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:39:36,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:39:39,122 INFO L? ?]: Removed 835 outVars from TransFormulas that were not future-live. [2024-11-19 13:39:39,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:39:39,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:39:39,162 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-19 13:39:39,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:39:39 BoogieIcfgContainer [2024-11-19 13:39:39,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:39:39,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:39:39,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:39:39,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:39:39,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:39:34" (1/3) ... [2024-11-19 13:39:39,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3f12d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:39:39, skipping insertion in model container [2024-11-19 13:39:39,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:35" (2/3) ... [2024-11-19 13:39:39,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3f12d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:39:39, skipping insertion in model container [2024-11-19 13:39:39,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:39:39" (3/3) ... [2024-11-19 13:39:39,172 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2024-11-19 13:39:39,217 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:39:39,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:39:39,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:39:39,339 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;@4f639a71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:39:39,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:39:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 1423 states, 906 states have (on average 1.8311258278145695) internal successors, (1659), 1416 states have internal predecessors, (1659), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-19 13:39:39,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:39:39,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:39,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:39,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:39,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-19 13:39:39,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:39,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283348936] [2024-11-19 13:39:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:39,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283348936] [2024-11-19 13:39:39,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283348936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:39,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:39:39,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336577166] [2024-11-19 13:39:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:39,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:39:39,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:39,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:39:39,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:39:39,578 INFO L87 Difference]: Start difference. First operand has 1423 states, 906 states have (on average 1.8311258278145695) internal successors, (1659), 1416 states have internal predecessors, (1659), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:39,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:39,764 INFO L93 Difference]: Finished difference Result 2842 states and 5835 transitions. [2024-11-19 13:39:39,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:39:39,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:39:39,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:39,794 INFO L225 Difference]: With dead ends: 2842 [2024-11-19 13:39:39,794 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 13:39:39,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:39:39,807 INFO L432 NwaCegarLoop]: 2597 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:39,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 13:39:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2024-11-19 13:39:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 866 states have (on average 1.7725173210161662) internal successors, (1535), 1373 states have internal predecessors, (1535), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-19 13:39:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2541 transitions. [2024-11-19 13:39:40,145 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 2541 transitions. Word has length 7 [2024-11-19 13:39:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:40,146 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 2541 transitions. [2024-11-19 13:39:40,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2541 transitions. [2024-11-19 13:39:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:39:40,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:40,147 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:40,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:39:40,147 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:40,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:40,148 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-19 13:39:40,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:40,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126689878] [2024-11-19 13:39:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:39:40,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633630767] [2024-11-19 13:39:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:40,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:40,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:40,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:40,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:39:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:40,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 13:39:40,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:40,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:40,430 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:40,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:40,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126689878] [2024-11-19 13:39:40,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:39:40,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633630767] [2024-11-19 13:39:40,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633630767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:40,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:40,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:40,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217620750] [2024-11-19 13:39:40,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:40,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:40,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:40,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:40,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:40,434 INFO L87 Difference]: Start difference. First operand 1379 states and 2541 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:41,379 INFO L93 Difference]: Finished difference Result 2748 states and 5073 transitions. [2024-11-19 13:39:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:41,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:39:41,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:41,398 INFO L225 Difference]: With dead ends: 2748 [2024-11-19 13:39:41,399 INFO L226 Difference]: Without dead ends: 2746 [2024-11-19 13:39:41,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:41,401 INFO L432 NwaCegarLoop]: 2805 mSDtfsCounter, 1519 mSDsluCounter, 4818 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7623 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:41,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7623 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 13:39:41,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-19 13:39:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 1385. [2024-11-19 13:39:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.768348623853211) internal successors, (1542), 1379 states have internal predecessors, (1542), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-19 13:39:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2548 transitions. [2024-11-19 13:39:41,781 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2548 transitions. Word has length 7 [2024-11-19 13:39:41,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:41,782 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2548 transitions. [2024-11-19 13:39:41,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2548 transitions. [2024-11-19 13:39:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 13:39:41,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:41,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:41,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:39:41,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:41,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:41,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1584338109, now seen corresponding path program 1 times [2024-11-19 13:39:41,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:41,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433073553] [2024-11-19 13:39:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:41,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:42,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:42,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433073553] [2024-11-19 13:39:42,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433073553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:42,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:42,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:39:42,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607444211] [2024-11-19 13:39:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:42,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:42,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:42,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:42,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:42,408 INFO L87 Difference]: Start difference. First operand 1385 states and 2548 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:43,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:43,217 INFO L93 Difference]: Finished difference Result 3915 states and 7314 transitions. [2024-11-19 13:39:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:43,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-19 13:39:43,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:43,239 INFO L225 Difference]: With dead ends: 3915 [2024-11-19 13:39:43,240 INFO L226 Difference]: Without dead ends: 2745 [2024-11-19 13:39:43,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:43,248 INFO L432 NwaCegarLoop]: 2826 mSDtfsCounter, 1520 mSDsluCounter, 4840 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:43,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 7666 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 13:39:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2024-11-19 13:39:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1385. [2024-11-19 13:39:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.7672018348623852) internal successors, (1541), 1379 states have internal predecessors, (1541), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-19 13:39:43,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 2547 transitions. [2024-11-19 13:39:43,526 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 2547 transitions. Word has length 64 [2024-11-19 13:39:43,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:43,527 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 2547 transitions. [2024-11-19 13:39:43,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2547 transitions. [2024-11-19 13:39:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:39:43,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:43,530 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:43,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:39:43,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:43,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:43,531 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-19 13:39:43,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:43,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233301894] [2024-11-19 13:39:43,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:43,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:43,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:43,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233301894] [2024-11-19 13:39:43,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233301894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:43,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:43,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:39:43,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183395928] [2024-11-19 13:39:43,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:43,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:43,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:43,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:43,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:43,789 INFO L87 Difference]: Start difference. First operand 1385 states and 2547 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:43,901 INFO L93 Difference]: Finished difference Result 2719 states and 5018 transitions. [2024-11-19 13:39:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:43,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:39:43,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:43,912 INFO L225 Difference]: With dead ends: 2719 [2024-11-19 13:39:43,912 INFO L226 Difference]: Without dead ends: 1342 [2024-11-19 13:39:43,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:43,920 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 12 mSDsluCounter, 4857 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7296 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:43,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7296 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:43,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-19 13:39:44,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1341. [2024-11-19 13:39:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 828 states have (on average 1.7657004830917875) internal successors, (1462), 1335 states have internal predecessors, (1462), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-11-19 13:39:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 2468 transitions. [2024-11-19 13:39:44,054 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 2468 transitions. Word has length 81 [2024-11-19 13:39:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:44,054 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 2468 transitions. [2024-11-19 13:39:44,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 2468 transitions. [2024-11-19 13:39:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:39:44,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:44,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:44,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:39:44,059 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:44,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-19 13:39:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:44,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337014509] [2024-11-19 13:39:44,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337014509] [2024-11-19 13:39:44,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337014509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:44,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:44,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:44,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632843173] [2024-11-19 13:39:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:44,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:39:44,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:44,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:39:44,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:44,237 INFO L87 Difference]: Start difference. First operand 1341 states and 2468 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:44,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:44,385 INFO L93 Difference]: Finished difference Result 3901 states and 7254 transitions. [2024-11-19 13:39:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:39:44,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:39:44,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:44,404 INFO L225 Difference]: With dead ends: 3901 [2024-11-19 13:39:44,405 INFO L226 Difference]: Without dead ends: 2568 [2024-11-19 13:39:44,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:44,411 INFO L432 NwaCegarLoop]: 2896 mSDtfsCounter, 1267 mSDsluCounter, 2444 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:44,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 5340 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2024-11-19 13:39:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2564. [2024-11-19 13:39:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 1551 states have (on average 1.796260477111541) internal successors, (2786), 2558 states have internal predecessors, (2786), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-19 13:39:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 4792 transitions. [2024-11-19 13:39:44,765 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 4792 transitions. Word has length 81 [2024-11-19 13:39:44,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:44,767 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 4792 transitions. [2024-11-19 13:39:44,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 4792 transitions. [2024-11-19 13:39:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:39:44,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:44,769 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:44,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:39:44,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:44,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:44,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1411159427, now seen corresponding path program 1 times [2024-11-19 13:39:44,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:44,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161976299] [2024-11-19 13:39:44,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:44,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:44,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161976299] [2024-11-19 13:39:44,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161976299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:44,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:44,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:44,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215918638] [2024-11-19 13:39:44,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:44,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:39:44,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:44,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:39:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:44,996 INFO L87 Difference]: Start difference. First operand 2564 states and 4792 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:45,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:45,151 INFO L93 Difference]: Finished difference Result 5098 states and 9553 transitions. [2024-11-19 13:39:45,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:39:45,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-19 13:39:45,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:45,174 INFO L225 Difference]: With dead ends: 5098 [2024-11-19 13:39:45,175 INFO L226 Difference]: Without dead ends: 2568 [2024-11-19 13:39:45,185 INFO L431 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 [2024-11-19 13:39:45,186 INFO L432 NwaCegarLoop]: 2452 mSDtfsCounter, 1 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4882 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:45,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4882 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2024-11-19 13:39:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2568. [2024-11-19 13:39:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 1555 states have (on average 1.7916398713826367) internal successors, (2786), 2562 states have internal predecessors, (2786), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-11-19 13:39:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 4792 transitions. [2024-11-19 13:39:45,507 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 4792 transitions. Word has length 96 [2024-11-19 13:39:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:45,508 INFO L471 AbstractCegarLoop]: Abstraction has 2568 states and 4792 transitions. [2024-11-19 13:39:45,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 4792 transitions. [2024-11-19 13:39:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:39:45,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:45,509 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:45,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:39:45,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:45,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:45,510 INFO L85 PathProgramCache]: Analyzing trace with hash 275020411, now seen corresponding path program 1 times [2024-11-19 13:39:45,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:45,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243032026] [2024-11-19 13:39:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:45,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:45,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243032026] [2024-11-19 13:39:45,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243032026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:45,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:45,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:45,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338971497] [2024-11-19 13:39:45,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:45,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:45,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:45,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:45,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:45,882 INFO L87 Difference]: Start difference. First operand 2568 states and 4792 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:46,751 INFO L93 Difference]: Finished difference Result 4810 states and 9133 transitions. [2024-11-19 13:39:46,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:46,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-19 13:39:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:46,785 INFO L225 Difference]: With dead ends: 4810 [2024-11-19 13:39:46,786 INFO L226 Difference]: Without dead ends: 4808 [2024-11-19 13:39:46,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:46,789 INFO L432 NwaCegarLoop]: 2721 mSDtfsCounter, 1351 mSDsluCounter, 4651 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 7372 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:46,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 7372 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 13:39:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2024-11-19 13:39:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 2632. [2024-11-19 13:39:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 1616 states have (on average 1.7722772277227723) internal successors, (2864), 2623 states have internal predecessors, (2864), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-19 13:39:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4876 transitions. [2024-11-19 13:39:47,345 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4876 transitions. Word has length 96 [2024-11-19 13:39:47,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:47,346 INFO L471 AbstractCegarLoop]: Abstraction has 2632 states and 4876 transitions. [2024-11-19 13:39:47,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4876 transitions. [2024-11-19 13:39:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 13:39:47,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:47,347 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:47,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:39:47,348 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:47,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:47,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1006911910, now seen corresponding path program 1 times [2024-11-19 13:39:47,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:47,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349269952] [2024-11-19 13:39:47,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:47,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:47,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:47,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349269952] [2024-11-19 13:39:47,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349269952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:47,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119933500] [2024-11-19 13:39:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:47,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:47,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:47,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:47,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:39:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:48,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 13:39:48,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:48,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:48,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:48,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:39:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:49,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:49,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119933500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:49,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:49,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:39:49,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092682291] [2024-11-19 13:39:49,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:49,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:39:49,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:49,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:39:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:39:49,019 INFO L87 Difference]: Start difference. First operand 2632 states and 4876 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:51,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:51,302 INFO L93 Difference]: Finished difference Result 7396 states and 13958 transitions. [2024-11-19 13:39:51,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:39:51,303 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-19 13:39:51,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:51,360 INFO L225 Difference]: With dead ends: 7396 [2024-11-19 13:39:51,360 INFO L226 Difference]: Without dead ends: 4810 [2024-11-19 13:39:51,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:39:51,374 INFO L432 NwaCegarLoop]: 2661 mSDtfsCounter, 1557 mSDsluCounter, 14859 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 17520 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:51,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 17520 Invalid, 1133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 13:39:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2024-11-19 13:39:51,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 2632. [2024-11-19 13:39:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 1616 states have (on average 1.7716584158415842) internal successors, (2863), 2623 states have internal predecessors, (2863), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-19 13:39:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4875 transitions. [2024-11-19 13:39:51,992 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4875 transitions. Word has length 102 [2024-11-19 13:39:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:51,992 INFO L471 AbstractCegarLoop]: Abstraction has 2632 states and 4875 transitions. [2024-11-19 13:39:51,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4875 transitions. [2024-11-19 13:39:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 13:39:51,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:51,994 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:52,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:39:52,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-19 13:39:52,199 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:52,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:52,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1758387251, now seen corresponding path program 1 times [2024-11-19 13:39:52,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730520648] [2024-11-19 13:39:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:52,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:52,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:52,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730520648] [2024-11-19 13:39:52,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730520648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:52,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752474287] [2024-11-19 13:39:52,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:52,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:52,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:52,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:52,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:39:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:53,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-19 13:39:53,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:53,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:53,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:53,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:39:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:53,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:53,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752474287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:53,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:53,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-19 13:39:53,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733165747] [2024-11-19 13:39:53,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:53,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 13:39:53,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:53,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 13:39:53,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:39:53,895 INFO L87 Difference]: Start difference. First operand 2632 states and 4875 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:56,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:56,214 INFO L93 Difference]: Finished difference Result 7407 states and 13974 transitions. [2024-11-19 13:39:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:39:56,215 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2024-11-19 13:39:56,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:56,245 INFO L225 Difference]: With dead ends: 7407 [2024-11-19 13:39:56,245 INFO L226 Difference]: Without dead ends: 4826 [2024-11-19 13:39:56,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-19 13:39:56,256 INFO L432 NwaCegarLoop]: 2652 mSDtfsCounter, 1605 mSDsluCounter, 19996 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 22648 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:56,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 22648 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 13:39:56,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2024-11-19 13:39:56,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 2644. [2024-11-19 13:39:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1628 states have (on average 1.7684275184275184) internal successors, (2879), 2635 states have internal predecessors, (2879), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-19 13:39:56,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 4891 transitions. [2024-11-19 13:39:56,776 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 4891 transitions. Word has length 103 [2024-11-19 13:39:56,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:56,777 INFO L471 AbstractCegarLoop]: Abstraction has 2644 states and 4891 transitions. [2024-11-19 13:39:56,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:56,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 4891 transitions. [2024-11-19 13:39:56,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:39:56,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:56,780 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:56,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 13:39:56,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:56,981 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:56,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:56,982 INFO L85 PathProgramCache]: Analyzing trace with hash -916832626, now seen corresponding path program 1 times [2024-11-19 13:39:56,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:56,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206167060] [2024-11-19 13:39:56,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:57,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:57,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206167060] [2024-11-19 13:39:57,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206167060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:57,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:39:57,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903879389] [2024-11-19 13:39:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:57,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:39:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:57,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:39:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:39:57,384 INFO L87 Difference]: Start difference. First operand 2644 states and 4891 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:57,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:57,860 INFO L93 Difference]: Finished difference Result 5238 states and 9727 transitions. [2024-11-19 13:39:57,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:39:57,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-19 13:39:57,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:57,887 INFO L225 Difference]: With dead ends: 5238 [2024-11-19 13:39:57,888 INFO L226 Difference]: Without dead ends: 2654 [2024-11-19 13:39:57,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:39:57,899 INFO L432 NwaCegarLoop]: 2437 mSDtfsCounter, 14 mSDsluCounter, 11865 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 14302 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:57,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 14302 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:39:57,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2024-11-19 13:39:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2652. [2024-11-19 13:39:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 1636 states have (on average 1.7658924205378974) internal successors, (2889), 2643 states have internal predecessors, (2889), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-19 13:39:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 4901 transitions. [2024-11-19 13:39:58,232 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 4901 transitions. Word has length 104 [2024-11-19 13:39:58,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:58,233 INFO L471 AbstractCegarLoop]: Abstraction has 2652 states and 4901 transitions. [2024-11-19 13:39:58,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 4901 transitions. [2024-11-19 13:39:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:39:58,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:58,234 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:58,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:39:58,235 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:58,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:58,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1900880405, now seen corresponding path program 1 times [2024-11-19 13:39:58,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:58,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139830282] [2024-11-19 13:39:58,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:58,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:58,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139830282] [2024-11-19 13:39:58,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139830282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:58,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:58,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:39:58,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425932972] [2024-11-19 13:39:58,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:39:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:58,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:39:58,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:39:58,528 INFO L87 Difference]: Start difference. First operand 2652 states and 4901 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) [2024-11-19 13:39:58,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:58,847 INFO L93 Difference]: Finished difference Result 5253 states and 9747 transitions. [2024-11-19 13:39:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:39:58,848 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 104 [2024-11-19 13:39:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:58,863 INFO L225 Difference]: With dead ends: 5253 [2024-11-19 13:39:58,863 INFO L226 Difference]: Without dead ends: 2658 [2024-11-19 13:39:58,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:39:58,871 INFO L432 NwaCegarLoop]: 2449 mSDtfsCounter, 9 mSDsluCounter, 7140 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9589 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:58,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9589 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:39:58,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2024-11-19 13:39:59,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2658. [2024-11-19 13:39:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 1642 states have (on average 1.7630937880633375) internal successors, (2895), 2649 states have internal predecessors, (2895), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-19 13:39:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 4907 transitions. [2024-11-19 13:39:59,206 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 4907 transitions. Word has length 104 [2024-11-19 13:39:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:59,206 INFO L471 AbstractCegarLoop]: Abstraction has 2658 states and 4907 transitions. [2024-11-19 13:39:59,206 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) [2024-11-19 13:39:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 4907 transitions. [2024-11-19 13:39:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:39:59,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:59,207 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:59,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:39:59,208 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:59,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1972117927, now seen corresponding path program 1 times [2024-11-19 13:39:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:59,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669036458] [2024-11-19 13:39:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:59,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:59,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669036458] [2024-11-19 13:39:59,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669036458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:59,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130878243] [2024-11-19 13:39:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:59,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:59,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:59,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:39:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:59,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:39:59,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:59,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:59,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130878243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:59,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:59,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:39:59,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975040983] [2024-11-19 13:39:59,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:59,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:39:59,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:59,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:39:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:39:59,982 INFO L87 Difference]: Start difference. First operand 2658 states and 4907 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:40:00,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:00,380 INFO L93 Difference]: Finished difference Result 5267 states and 9762 transitions. [2024-11-19 13:40:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:40:00,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-19 13:40:00,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:00,396 INFO L225 Difference]: With dead ends: 5267 [2024-11-19 13:40:00,396 INFO L226 Difference]: Without dead ends: 2662 [2024-11-19 13:40:00,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:40:00,406 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 43 mSDsluCounter, 11891 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 14330 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:00,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 14330 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:40:00,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2024-11-19 13:40:00,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2650. [2024-11-19 13:40:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 1634 states have (on average 1.763157894736842) internal successors, (2881), 2641 states have internal predecessors, (2881), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-11-19 13:40:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 4893 transitions. [2024-11-19 13:40:00,702 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 4893 transitions. Word has length 105 [2024-11-19 13:40:00,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:00,703 INFO L471 AbstractCegarLoop]: Abstraction has 2650 states and 4893 transitions. [2024-11-19 13:40:00,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:40:00,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 4893 transitions. [2024-11-19 13:40:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:40:00,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:00,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:40:00,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:40:00,904 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 [2024-11-19 13:40:00,905 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:00,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1222233904, now seen corresponding path program 1 times [2024-11-19 13:40:00,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:00,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536907140] [2024-11-19 13:40:00,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:00,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:40:01,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:01,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536907140] [2024-11-19 13:40:01,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536907140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:01,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26449030] [2024-11-19 13:40:01,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:01,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:01,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:01,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:40:01,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:40:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:01,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:40:01,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:40:01,624 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:40:01,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26449030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:40:01,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:40:01,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-19 13:40:01,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302699337] [2024-11-19 13:40:01,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:40:01,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:40:01,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:01,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:40:01,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:40:01,628 INFO L87 Difference]: Start difference. First operand 2650 states and 4893 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:40:01,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:01,735 INFO L93 Difference]: Finished difference Result 5198 states and 9661 transitions. [2024-11-19 13:40:01,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:40:01,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 105 [2024-11-19 13:40:01,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:01,760 INFO L225 Difference]: With dead ends: 5198 [2024-11-19 13:40:01,760 INFO L226 Difference]: Without dead ends: 2653 [2024-11-19 13:40:01,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:40:01,772 INFO L432 NwaCegarLoop]: 2454 mSDtfsCounter, 0 mSDsluCounter, 4904 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7358 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:01,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7358 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:40:01,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-19 13:40:02,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2653. [2024-11-19 13:40:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 1636 states have (on average 1.7628361858190709) internal successors, (2884), 2644 states have internal predecessors, (2884), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-11-19 13:40:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 4898 transitions. [2024-11-19 13:40:02,100 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 4898 transitions. Word has length 105 [2024-11-19 13:40:02,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:02,101 INFO L471 AbstractCegarLoop]: Abstraction has 2653 states and 4898 transitions. [2024-11-19 13:40:02,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:40:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 4898 transitions. [2024-11-19 13:40:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 13:40:02,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:02,102 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:40:02,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 13:40:02,302 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,SelfDestructingSolverStorable12 [2024-11-19 13:40:02,303 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:02,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1162658994, now seen corresponding path program 1 times [2024-11-19 13:40:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:02,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148995059] [2024-11-19 13:40:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:02,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:40:02,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:02,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148995059] [2024-11-19 13:40:02,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148995059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:02,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486351097] [2024-11-19 13:40:02,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:02,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:02,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:02,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:40:02,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:40:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:03,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 13:40:03,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:40:03,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:40:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:40:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486351097] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:40:03,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:40:03,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 13:40:03,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855128252] [2024-11-19 13:40:03,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:40:03,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:40:03,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:03,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:40:03,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:40:03,425 INFO L87 Difference]: Start difference. First operand 2653 states and 4898 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 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) [2024-11-19 13:40:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:03,619 INFO L93 Difference]: Finished difference Result 5212 states and 9687 transitions. [2024-11-19 13:40:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:40:03,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 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 107 [2024-11-19 13:40:03,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:03,640 INFO L225 Difference]: With dead ends: 5212 [2024-11-19 13:40:03,640 INFO L226 Difference]: Without dead ends: 2662 [2024-11-19 13:40:03,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:40:03,650 INFO L432 NwaCegarLoop]: 2454 mSDtfsCounter, 4 mSDsluCounter, 4906 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7360 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:03,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7360 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:40:03,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2024-11-19 13:40:04,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2662. [2024-11-19 13:40:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 1644 states have (on average 1.7615571776155718) internal successors, (2896), 2652 states have internal predecessors, (2896), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-11-19 13:40:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 4912 transitions. [2024-11-19 13:40:04,056 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 4912 transitions. Word has length 107 [2024-11-19 13:40:04,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:04,056 INFO L471 AbstractCegarLoop]: Abstraction has 2662 states and 4912 transitions. [2024-11-19 13:40:04,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 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) [2024-11-19 13:40:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 4912 transitions. [2024-11-19 13:40:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 13:40:04,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:04,058 INFO L215 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] [2024-11-19 13:40:04,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 13:40:04,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:04,260 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:04,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:04,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1038990032, now seen corresponding path program 2 times [2024-11-19 13:40:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:04,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864265736] [2024-11-19 13:40:04,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:40:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:04,427 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:40:04,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:40:04,747 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 13:40:04,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:04,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864265736] [2024-11-19 13:40:04,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864265736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:04,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914448350] [2024-11-19 13:40:04,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:40:04,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:04,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:04,750 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) [2024-11-19 13:40:04,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:40:05,075 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:40:05,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:40:05,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:40:05,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:05,087 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 [2024-11-19 13:40:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 13:40:05,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:40:05,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914448350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:40:05,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:40:05,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-19 13:40:05,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852833856] [2024-11-19 13:40:05,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:40:05,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:40:05,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:05,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:40:05,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:40:05,096 INFO L87 Difference]: Start difference. First operand 2662 states and 4912 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:40:05,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:05,171 INFO L93 Difference]: Finished difference Result 2662 states and 4912 transitions. [2024-11-19 13:40:05,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:40:05,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 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 111 [2024-11-19 13:40:05,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:05,187 INFO L225 Difference]: With dead ends: 2662 [2024-11-19 13:40:05,187 INFO L226 Difference]: Without dead ends: 2661 [2024-11-19 13:40:05,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:40:05,189 INFO L432 NwaCegarLoop]: 2453 mSDtfsCounter, 1 mSDsluCounter, 2451 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:05,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4904 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:40:05,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2024-11-19 13:40:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2661. [2024-11-19 13:40:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 1644 states have (on average 1.760948905109489) internal successors, (2895), 2651 states have internal predecessors, (2895), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-11-19 13:40:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 4911 transitions. [2024-11-19 13:40:05,514 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 4911 transitions. Word has length 111 [2024-11-19 13:40:05,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:05,515 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 4911 transitions. [2024-11-19 13:40:05,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:40:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 4911 transitions. [2024-11-19 13:40:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 13:40:05,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:05,516 INFO L215 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] [2024-11-19 13:40:05,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 13:40:05,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:05,717 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:05,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:05,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2143919837, now seen corresponding path program 1 times [2024-11-19 13:40:05,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:05,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796006664] [2024-11-19 13:40:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:05,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 13:40:06,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796006664] [2024-11-19 13:40:06,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796006664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:06,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091068597] [2024-11-19 13:40:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:06,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:06,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:06,104 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) [2024-11-19 13:40:06,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 13:40:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:06,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:40:06,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:40:06,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:40:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:40:06,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091068597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:40:06,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:40:06,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 18 [2024-11-19 13:40:06,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423394256] [2024-11-19 13:40:06,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:40:06,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 13:40:06,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:06,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 13:40:06,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-11-19 13:40:06,934 INFO L87 Difference]: Start difference. First operand 2661 states and 4911 transitions. Second operand has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 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) [2024-11-19 13:40:07,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:07,507 INFO L93 Difference]: Finished difference Result 5234 states and 9724 transitions. [2024-11-19 13:40:07,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 13:40:07,508 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 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 112 [2024-11-19 13:40:07,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:07,527 INFO L225 Difference]: With dead ends: 5234 [2024-11-19 13:40:07,527 INFO L226 Difference]: Without dead ends: 2674 [2024-11-19 13:40:07,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=237, Invalid=519, Unknown=0, NotChecked=0, Total=756 [2024-11-19 13:40:07,535 INFO L432 NwaCegarLoop]: 2442 mSDtfsCounter, 32 mSDsluCounter, 19505 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21947 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:07,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21947 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:40:07,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2024-11-19 13:40:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2670. [2024-11-19 13:40:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1653 states have (on average 1.7610405323653961) internal successors, (2911), 2660 states have internal predecessors, (2911), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-11-19 13:40:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 4927 transitions. [2024-11-19 13:40:07,864 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 4927 transitions. Word has length 112 [2024-11-19 13:40:07,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:07,865 INFO L471 AbstractCegarLoop]: Abstraction has 2670 states and 4927 transitions. [2024-11-19 13:40:07,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 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) [2024-11-19 13:40:07,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 4927 transitions. [2024-11-19 13:40:07,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 13:40:07,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:07,866 INFO L215 NwaCegarLoop]: trace histogram [13, 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] [2024-11-19 13:40:07,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 13:40:08,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 13:40:08,067 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:08,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:08,068 INFO L85 PathProgramCache]: Analyzing trace with hash 218740246, now seen corresponding path program 2 times [2024-11-19 13:40:08,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:08,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082998128] [2024-11-19 13:40:08,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:40:08,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:08,223 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:40:08,223 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:40:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-19 13:40:08,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:08,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082998128] [2024-11-19 13:40:08,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082998128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:08,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286508210] [2024-11-19 13:40:08,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:40:08,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:08,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:08,581 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) [2024-11-19 13:40:08,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 13:40:09,136 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:40:09,137 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:40:09,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 13:40:09,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-19 13:40:25,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:40:25,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286508210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:40:25,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:40:25,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-19 13:40:25,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496089887] [2024-11-19 13:40:25,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:40:25,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:40:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:25,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:40:25,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:40:25,408 INFO L87 Difference]: Start difference. First operand 2670 states and 4927 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:40:27,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:40:29,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:40:30,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:30,512 INFO L93 Difference]: Finished difference Result 5285 states and 9795 transitions. [2024-11-19 13:40:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:40:30,513 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 119 [2024-11-19 13:40:30,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:30,528 INFO L225 Difference]: With dead ends: 5285 [2024-11-19 13:40:30,529 INFO L226 Difference]: Without dead ends: 2680 [2024-11-19 13:40:30,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:40:30,536 INFO L432 NwaCegarLoop]: 2442 mSDtfsCounter, 12 mSDsluCounter, 11861 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 14303 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:30,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 14303 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-19 13:40:30,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2024-11-19 13:40:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2670. [2024-11-19 13:40:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1653 states have (on average 1.7610405323653961) internal successors, (2911), 2660 states have internal predecessors, (2911), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-11-19 13:40:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 4927 transitions. [2024-11-19 13:40:30,878 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 4927 transitions. Word has length 119 [2024-11-19 13:40:30,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:30,878 INFO L471 AbstractCegarLoop]: Abstraction has 2670 states and 4927 transitions. [2024-11-19 13:40:30,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:40:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 4927 transitions. [2024-11-19 13:40:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 13:40:30,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:30,881 INFO L215 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:40:30,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 13:40:31,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 13:40:31,082 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:31,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:31,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1142997222, now seen corresponding path program 1 times [2024-11-19 13:40:31,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:31,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325528940] [2024-11-19 13:40:31,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:31,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-19 13:40:31,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:31,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325528940] [2024-11-19 13:40:31,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325528940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:40:31,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:40:31,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:40:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355013613] [2024-11-19 13:40:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:40:31,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:40:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:40:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:40:31,604 INFO L87 Difference]: Start difference. First operand 2670 states and 4927 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) [2024-11-19 13:40:32,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:32,127 INFO L93 Difference]: Finished difference Result 5307 states and 9824 transitions. [2024-11-19 13:40:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:40:32,128 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 121 [2024-11-19 13:40:32,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:32,145 INFO L225 Difference]: With dead ends: 5307 [2024-11-19 13:40:32,145 INFO L226 Difference]: Without dead ends: 2702 [2024-11-19 13:40:32,154 INFO L431 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 [2024-11-19 13:40:32,155 INFO L432 NwaCegarLoop]: 2443 mSDtfsCounter, 26 mSDsluCounter, 14305 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 16748 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:32,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 16748 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:40:32,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2024-11-19 13:40:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2024-11-19 13:40:32,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1673 states have (on average 1.7543335325762104) internal successors, (2935), 2680 states have internal predecessors, (2935), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-11-19 13:40:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4951 transitions. [2024-11-19 13:40:32,479 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4951 transitions. Word has length 121 [2024-11-19 13:40:32,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:32,480 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4951 transitions. [2024-11-19 13:40:32,480 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) [2024-11-19 13:40:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4951 transitions. [2024-11-19 13:40:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 13:40:32,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:32,482 INFO L215 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:40:32,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 13:40:32,482 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:32,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:32,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2106979530, now seen corresponding path program 1 times [2024-11-19 13:40:32,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:32,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812412153] [2024-11-19 13:40:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:32,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-19 13:40:32,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:32,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812412153] [2024-11-19 13:40:32,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812412153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:32,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703321987] [2024-11-19 13:40:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:40:32,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:32,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:32,910 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) [2024-11-19 13:40:32,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 13:40:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:40:33,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 13:40:33,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-19 13:40:33,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:40:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-19 13:40:33,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703321987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:40:33,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:40:33,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-11-19 13:40:33,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112011660] [2024-11-19 13:40:33,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:40:33,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 13:40:33,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:33,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 13:40:33,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-19 13:40:33,676 INFO L87 Difference]: Start difference. First operand 2690 states and 4951 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 16 states have internal predecessors, (123), 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) [2024-11-19 13:40:34,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:40:34,018 INFO L93 Difference]: Finished difference Result 5276 states and 9774 transitions. [2024-11-19 13:40:34,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:40:34,018 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 16 states have internal predecessors, (123), 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 121 [2024-11-19 13:40:34,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:40:34,036 INFO L225 Difference]: With dead ends: 5276 [2024-11-19 13:40:34,036 INFO L226 Difference]: Without dead ends: 2699 [2024-11-19 13:40:34,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-19 13:40:34,045 INFO L432 NwaCegarLoop]: 2454 mSDtfsCounter, 6 mSDsluCounter, 12267 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14721 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:40:34,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14721 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:40:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2024-11-19 13:40:34,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2693. [2024-11-19 13:40:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 1676 states have (on average 1.7529832935560858) internal successors, (2938), 2683 states have internal predecessors, (2938), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-11-19 13:40:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 4952 transitions. [2024-11-19 13:40:34,434 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 4952 transitions. Word has length 121 [2024-11-19 13:40:34,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:40:34,435 INFO L471 AbstractCegarLoop]: Abstraction has 2693 states and 4952 transitions. [2024-11-19 13:40:34,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 16 states have internal predecessors, (123), 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) [2024-11-19 13:40:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 4952 transitions. [2024-11-19 13:40:34,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 13:40:34,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:40:34,437 INFO L215 NwaCegarLoop]: trace histogram [18, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:40:34,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 13:40:34,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:34,638 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:40:34,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:40:34,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1796460015, now seen corresponding path program 2 times [2024-11-19 13:40:34,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:40:34,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254237660] [2024-11-19 13:40:34,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:40:34,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:40:34,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:40:34,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:40:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 6 proven. 137 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-19 13:40:35,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:40:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254237660] [2024-11-19 13:40:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254237660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:40:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463412423] [2024-11-19 13:40:35,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:40:35,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:40:35,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:40:35,325 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) [2024-11-19 13:40:35,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 13:40:35,844 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:40:35,844 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:40:35,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 13:40:35,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:40:35,858 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 15 treesize of output 1 [2024-11-19 13:40:36,101 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 36 treesize of output 13 [2024-11-19 13:40:36,172 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 29 treesize of output 13 [2024-11-19 13:40:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-19 13:40:36,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:40:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-19 13:40:36,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463412423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:40:36,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:40:36,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 7] total 24 [2024-11-19 13:40:36,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997914290] [2024-11-19 13:40:36,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:40:36,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 13:40:36,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:40:36,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 13:40:36,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2024-11-19 13:40:36,755 INFO L87 Difference]: Start difference. First operand 2693 states and 4952 transitions. Second operand has 24 states, 24 states have (on average 12.958333333333334) internal successors, (311), 24 states have internal predecessors, (311), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 13:40:42,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-19 13:40:44,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-19 13:40:45,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-19 13:40:46,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-19 13:40:47,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-19 13:40:49,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1]