./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.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 dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:41:45,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:41:45,315 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:41:45,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:41:45,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:41:45,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:41:45,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:41:45,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:41:45,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:41:45,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:41:45,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:41:45,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:41:45,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:41:45,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:41:45,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:41:45,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:41:45,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:41:45,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:41:45,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:41:45,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:41:45,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:41:45,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:41:45,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:41:45,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:41:45,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:41:45,363 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:41:45,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:41:45,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:41:45,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:41:45,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:41:45,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:41:45,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:41:45,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:41:45,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:41:45,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:41:45,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:41:45,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:41:45,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:41:45,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:41:45,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:41:45,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:41:45,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:41:45,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:41:45,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:41:45,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2024-11-20 21:41:45,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:41:45,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:41:45,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:41:45,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:41:45,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:41:45,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2024-11-20 21:41:47,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:41:47,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:41:47,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2024-11-20 21:41:47,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857704c4f/c26f929f5e7b4fc1b4d5303fa2a239e2/FLAG768be3762 [2024-11-20 21:41:47,466 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857704c4f/c26f929f5e7b4fc1b4d5303fa2a239e2 [2024-11-20 21:41:47,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:41:47,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:41:47,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:41:47,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:41:47,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:41:47,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:41:47" (1/1) ... [2024-11-20 21:41:47,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2dbc5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:47, skipping insertion in model container [2024-11-20 21:41:47,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:41:47" (1/1) ... [2024-11-20 21:41:47,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:41:48,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:41:48,130 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:41:48,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:41:48,326 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:41:48,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48 WrapperNode [2024-11-20 21:41:48,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:41:48,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:41:48,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:41:48,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:41:48,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,447 INFO L138 Inliner]: procedures = 177, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-11-20 21:41:48,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:41:48,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:41:48,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:41:48,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:41:48,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,592 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 268, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-11-20 21:41:48,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:41:48,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:41:48,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:41:48,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:41:48,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (1/1) ... [2024-11-20 21:41:48,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:41:48,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:41:48,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 21:41:48,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 21:41:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-20 21:41:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-20 21:41:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:41:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:41:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:41:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 21:41:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 21:41:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:41:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:41:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:41:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:41:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:41:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:41:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:41:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:41:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:41:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-20 21:41:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:41:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:41:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:41:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:41:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:41:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:41:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:41:49,016 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:41:49,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:41:50,548 INFO L? ?]: Removed 366 outVars from TransFormulas that were not future-live. [2024-11-20 21:41:50,548 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:41:50,581 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:41:50,581 INFO L316 CfgBuilder]: Removed 71 assume(true) statements. [2024-11-20 21:41:50,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:41:50 BoogieIcfgContainer [2024-11-20 21:41:50,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:41:50,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:41:50,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:41:50,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:41:50,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:41:47" (1/3) ... [2024-11-20 21:41:50,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce2d1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:41:50, skipping insertion in model container [2024-11-20 21:41:50,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:48" (2/3) ... [2024-11-20 21:41:50,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce2d1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:41:50, skipping insertion in model container [2024-11-20 21:41:50,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:41:50" (3/3) ... [2024-11-20 21:41:50,589 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i [2024-11-20 21:41:50,605 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:41:50,605 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:41:50,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:41:50,699 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;@891f88c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:41:50,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-20 21:41:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 453 states have (on average 1.6313465783664458) internal successors, (739), 478 states have internal predecessors, (739), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 21:41:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 21:41:50,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:50,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:50,712 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:50,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:50,719 INFO L85 PathProgramCache]: Analyzing trace with hash -148890198, now seen corresponding path program 1 times [2024-11-20 21:41:50,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:50,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572926104] [2024-11-20 21:41:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:50,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:41:50,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886638071] [2024-11-20 21:41:50,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:50,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:41:50,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:41:50,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:41:50,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:41:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:51,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 21:41:51,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:41:51,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:41:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:41:51,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:41:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572926104] [2024-11-20 21:41:51,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:41:51,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886638071] [2024-11-20 21:41:51,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886638071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:51,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:41:51,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:41:51,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059305288] [2024-11-20 21:41:51,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:51,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:41:51,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:41:51,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:41:51,131 INFO L87 Difference]: Start difference. First operand has 488 states, 453 states have (on average 1.6313465783664458) internal successors, (739), 478 states have internal predecessors, (739), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) 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) [2024-11-20 21:41:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:51,401 INFO L93 Difference]: Finished difference Result 1403 states and 2281 transitions. [2024-11-20 21:41:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:41:51,404 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 [2024-11-20 21:41:51,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:51,429 INFO L225 Difference]: With dead ends: 1403 [2024-11-20 21:41:51,429 INFO L226 Difference]: Without dead ends: 838 [2024-11-20 21:41:51,438 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 [2024-11-20 21:41:51,444 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 604 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:51,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 2027 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:41:51,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-20 21:41:51,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 450. [2024-11-20 21:41:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4653937947494033) internal successors, (614), 441 states have internal predecessors, (614), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 21:41:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 654 transitions. [2024-11-20 21:41:51,533 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 654 transitions. Word has length 7 [2024-11-20 21:41:51,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:51,535 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 654 transitions. [2024-11-20 21:41:51,535 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) [2024-11-20 21:41:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 654 transitions. [2024-11-20 21:41:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 21:41:51,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:51,540 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:51,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 21:41:51,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-20 21:41:51,745 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:51,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:51,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1563712929, now seen corresponding path program 1 times [2024-11-20 21:41:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:51,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048850537] [2024-11-20 21:41:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:51,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:41:52,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:52,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048850537] [2024-11-20 21:41:52,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048850537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:52,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:41:52,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:41:52,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358381492] [2024-11-20 21:41:52,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:52,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:41:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:52,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:41:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:41:52,237 INFO L87 Difference]: Start difference. First operand 450 states and 654 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:41:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:52,363 INFO L93 Difference]: Finished difference Result 1069 states and 1561 transitions. [2024-11-20 21:41:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:41:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-20 21:41:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:52,368 INFO L225 Difference]: With dead ends: 1069 [2024-11-20 21:41:52,370 INFO L226 Difference]: Without dead ends: 837 [2024-11-20 21:41:52,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:41:52,373 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 555 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:52,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1870 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:41:52,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-20 21:41:52,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 450. [2024-11-20 21:41:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4630071599045347) internal successors, (613), 441 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 21:41:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 653 transitions. [2024-11-20 21:41:52,400 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 653 transitions. Word has length 72 [2024-11-20 21:41:52,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:52,401 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 653 transitions. [2024-11-20 21:41:52,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:41:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 653 transitions. [2024-11-20 21:41:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-20 21:41:52,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:52,405 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:52,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:41:52,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:52,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:52,407 INFO L85 PathProgramCache]: Analyzing trace with hash 325787668, now seen corresponding path program 1 times [2024-11-20 21:41:52,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:52,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434338417] [2024-11-20 21:41:52,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:41:52,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:52,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434338417] [2024-11-20 21:41:52,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434338417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:52,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:41:52,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:41:52,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554734602] [2024-11-20 21:41:52,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:52,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:41:52,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:52,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:41:52,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:41:52,649 INFO L87 Difference]: Start difference. First operand 450 states and 653 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:41:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:52,754 INFO L93 Difference]: Finished difference Result 895 states and 1301 transitions. [2024-11-20 21:41:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:41:52,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-20 21:41:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:52,757 INFO L225 Difference]: With dead ends: 895 [2024-11-20 21:41:52,757 INFO L226 Difference]: Without dead ends: 453 [2024-11-20 21:41:52,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:41:52,762 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 105 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:52,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1764 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:41:52,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-20 21:41:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-20 21:41:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4463007159904535) internal successors, (606), 441 states have internal predecessors, (606), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 21:41:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 646 transitions. [2024-11-20 21:41:52,782 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 646 transitions. Word has length 83 [2024-11-20 21:41:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:52,783 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 646 transitions. [2024-11-20 21:41:52,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:41:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 646 transitions. [2024-11-20 21:41:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-20 21:41:52,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:52,789 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:52,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:41:52,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:52,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash 153650696, now seen corresponding path program 1 times [2024-11-20 21:41:52,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:52,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466078722] [2024-11-20 21:41:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:41:52,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:52,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466078722] [2024-11-20 21:41:52,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466078722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:52,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:41:52,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:41:52,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115422971] [2024-11-20 21:41:52,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:52,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:41:52,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:41:52,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:41:52,986 INFO L87 Difference]: Start difference. First operand 450 states and 646 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:41:53,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:53,091 INFO L93 Difference]: Finished difference Result 1186 states and 1716 transitions. [2024-11-20 21:41:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:41:53,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-20 21:41:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:53,097 INFO L225 Difference]: With dead ends: 1186 [2024-11-20 21:41:53,098 INFO L226 Difference]: Without dead ends: 744 [2024-11-20 21:41:53,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:41:53,100 INFO L432 NwaCegarLoop]: 825 mSDtfsCounter, 373 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:53,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1442 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:41:53,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-20 21:41:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 741. [2024-11-20 21:41:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 709 states have (on average 1.456981664315938) internal successors, (1033), 731 states have internal predecessors, (1033), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 21:41:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1075 transitions. [2024-11-20 21:41:53,129 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1075 transitions. Word has length 83 [2024-11-20 21:41:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:53,131 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1075 transitions. [2024-11-20 21:41:53,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:41:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1075 transitions. [2024-11-20 21:41:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 21:41:53,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:53,134 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:53,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:41:53,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:53,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash -959379129, now seen corresponding path program 1 times [2024-11-20 21:41:53,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:53,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451431305] [2024-11-20 21:41:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:53,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:41:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:41:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:41:53,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:53,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451431305] [2024-11-20 21:41:53,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451431305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:53,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:41:53,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:41:53,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775602806] [2024-11-20 21:41:53,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:53,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:41:53,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:53,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:41:53,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:41:53,491 INFO L87 Difference]: Start difference. First operand 741 states and 1075 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:41:54,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:54,069 INFO L93 Difference]: Finished difference Result 848 states and 1237 transitions. [2024-11-20 21:41:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:41:54,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-20 21:41:54,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:54,076 INFO L225 Difference]: With dead ends: 848 [2024-11-20 21:41:54,076 INFO L226 Difference]: Without dead ends: 846 [2024-11-20 21:41:54,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:41:54,077 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 320 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:54,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 2191 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:41:54,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-20 21:41:54,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 811. [2024-11-20 21:41:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 774 states have (on average 1.441860465116279) internal successors, (1116), 796 states have internal predecessors, (1116), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:41:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1166 transitions. [2024-11-20 21:41:54,108 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1166 transitions. Word has length 98 [2024-11-20 21:41:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:54,108 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1166 transitions. [2024-11-20 21:41:54,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:41:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1166 transitions. [2024-11-20 21:41:54,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-20 21:41:54,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:54,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:54,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:41:54,111 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:54,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:54,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1717850937, now seen corresponding path program 1 times [2024-11-20 21:41:54,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:54,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664302805] [2024-11-20 21:41:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:54,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:41:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:54,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:41:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 21:41:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:41:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:41:54,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:54,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664302805] [2024-11-20 21:41:54,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664302805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:54,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:41:54,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:41:54,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382126628] [2024-11-20 21:41:54,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:54,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:41:54,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:54,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:41:54,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:41:54,506 INFO L87 Difference]: Start difference. First operand 811 states and 1166 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:41:55,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:55,072 INFO L93 Difference]: Finished difference Result 1047 states and 1507 transitions. [2024-11-20 21:41:55,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:41:55,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2024-11-20 21:41:55,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:55,080 INFO L225 Difference]: With dead ends: 1047 [2024-11-20 21:41:55,081 INFO L226 Difference]: Without dead ends: 1045 [2024-11-20 21:41:55,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:41:55,082 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 532 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:55,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2618 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:41:55,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-20 21:41:55,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 815. [2024-11-20 21:41:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 778 states have (on average 1.4395886889460154) internal successors, (1120), 799 states have internal predecessors, (1120), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:41:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1170 transitions. [2024-11-20 21:41:55,110 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1170 transitions. Word has length 111 [2024-11-20 21:41:55,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:55,110 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1170 transitions. [2024-11-20 21:41:55,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:41:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1170 transitions. [2024-11-20 21:41:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-20 21:41:55,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:55,112 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:55,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:41:55,112 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:55,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:55,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1484759326, now seen corresponding path program 1 times [2024-11-20 21:41:55,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:55,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115703164] [2024-11-20 21:41:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:55,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:41:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:41:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 21:41:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:41:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:41:55,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:55,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115703164] [2024-11-20 21:41:55,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115703164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:41:55,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924050368] [2024-11-20 21:41:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:55,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:41:55,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:41:55,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:41:55,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:41:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:56,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-20 21:41:56,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:41:56,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:41:56,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:41:56,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:41:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:41:56,861 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:41:56,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924050368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:41:56,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:41:56,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-11-20 21:41:56,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246971266] [2024-11-20 21:41:56,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:41:56,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:41:56,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:41:56,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:41:56,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-20 21:41:56,863 INFO L87 Difference]: Start difference. First operand 815 states and 1170 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:41:58,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:41:58,407 INFO L93 Difference]: Finished difference Result 1815 states and 2603 transitions. [2024-11-20 21:41:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:41:58,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2024-11-20 21:41:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:41:58,413 INFO L225 Difference]: With dead ends: 1815 [2024-11-20 21:41:58,413 INFO L226 Difference]: Without dead ends: 1088 [2024-11-20 21:41:58,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-20 21:41:58,416 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 826 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 3222 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:41:58,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 3222 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 21:41:58,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-20 21:41:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 841. [2024-11-20 21:41:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 804 states have (on average 1.431592039800995) internal successors, (1151), 825 states have internal predecessors, (1151), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:41:58,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1201 transitions. [2024-11-20 21:41:58,451 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1201 transitions. Word has length 117 [2024-11-20 21:41:58,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:41:58,451 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1201 transitions. [2024-11-20 21:41:58,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:41:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1201 transitions. [2024-11-20 21:41:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-20 21:41:58,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:41:58,458 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:41:58,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 21:41:58,662 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,SelfDestructingSolverStorable6 [2024-11-20 21:41:58,663 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:41:58,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:41:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash 400899271, now seen corresponding path program 1 times [2024-11-20 21:41:58,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:41:58,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019430435] [2024-11-20 21:41:58,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:58,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:41:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:41:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:59,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:41:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:59,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 21:41:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:59,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:41:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:41:59,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:41:59,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019430435] [2024-11-20 21:41:59,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019430435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:41:59,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906740679] [2024-11-20 21:41:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:41:59,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:41:59,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:41:59,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:41:59,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:41:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:41:59,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-20 21:41:59,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:41:59,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:41:59,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:41:59,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:42:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:42:00,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:42:00,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906740679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:42:00,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:42:00,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2024-11-20 21:42:00,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429375075] [2024-11-20 21:42:00,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:42:00,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 21:42:00,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:42:00,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 21:42:00,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-20 21:42:00,314 INFO L87 Difference]: Start difference. First operand 841 states and 1201 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:42:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:42:02,060 INFO L93 Difference]: Finished difference Result 1863 states and 2667 transitions. [2024-11-20 21:42:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 21:42:02,060 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 118 [2024-11-20 21:42:02,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:42:02,065 INFO L225 Difference]: With dead ends: 1863 [2024-11-20 21:42:02,066 INFO L226 Difference]: Without dead ends: 1141 [2024-11-20 21:42:02,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2024-11-20 21:42:02,069 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 888 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 3390 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 21:42:02,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 3390 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 21:42:02,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-20 21:42:02,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 877. [2024-11-20 21:42:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 840 states have (on average 1.425) internal successors, (1197), 861 states have internal predecessors, (1197), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:42:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1247 transitions. [2024-11-20 21:42:02,103 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1247 transitions. Word has length 118 [2024-11-20 21:42:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:42:02,104 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1247 transitions. [2024-11-20 21:42:02,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:42:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1247 transitions. [2024-11-20 21:42:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-20 21:42:02,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:42:02,106 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:42:02,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 21:42:02,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:42:02,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:42:02,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:42:02,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1794896914, now seen corresponding path program 1 times [2024-11-20 21:42:02,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:42:02,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627726860] [2024-11-20 21:42:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:02,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:42:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:02,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:42:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:02,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:42:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:02,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 21:42:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:02,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:42:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:42:02,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:42:02,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627726860] [2024-11-20 21:42:02,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627726860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:42:02,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:42:02,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 21:42:02,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594405519] [2024-11-20 21:42:02,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:42:02,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 21:42:02,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:42:02,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 21:42:02,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:42:02,681 INFO L87 Difference]: Start difference. First operand 877 states and 1247 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:42:03,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:42:03,938 INFO L93 Difference]: Finished difference Result 1665 states and 2382 transitions. [2024-11-20 21:42:03,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 21:42:03,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-20 21:42:03,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:42:03,943 INFO L225 Difference]: With dead ends: 1665 [2024-11-20 21:42:03,944 INFO L226 Difference]: Without dead ends: 917 [2024-11-20 21:42:03,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:42:03,946 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 86 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 21:42:03,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 3630 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 21:42:03,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-20 21:42:03,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 905. [2024-11-20 21:42:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 868 states have (on average 1.4262672811059909) internal successors, (1238), 889 states have internal predecessors, (1238), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:42:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1288 transitions. [2024-11-20 21:42:03,972 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1288 transitions. Word has length 119 [2024-11-20 21:42:03,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:42:03,972 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1288 transitions. [2024-11-20 21:42:03,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:42:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1288 transitions. [2024-11-20 21:42:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-20 21:42:03,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:42:03,974 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:42:03,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 21:42:03,974 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:42:03,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:42:03,975 INFO L85 PathProgramCache]: Analyzing trace with hash 377145735, now seen corresponding path program 1 times [2024-11-20 21:42:03,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:42:03,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441072989] [2024-11-20 21:42:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:42:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:42:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:42:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 21:42:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:42:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:42:04,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:42:04,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441072989] [2024-11-20 21:42:04,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441072989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:42:04,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:42:04,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:42:04,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16235101] [2024-11-20 21:42:04,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:42:04,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:42:04,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:42:04,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:42:04,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:42:04,300 INFO L87 Difference]: Start difference. First operand 905 states and 1288 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:42:05,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:42:05,149 INFO L93 Difference]: Finished difference Result 1691 states and 2419 transitions. [2024-11-20 21:42:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 21:42:05,150 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-20 21:42:05,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:42:05,154 INFO L225 Difference]: With dead ends: 1691 [2024-11-20 21:42:05,155 INFO L226 Difference]: Without dead ends: 917 [2024-11-20 21:42:05,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:42:05,158 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 81 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 2857 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 21:42:05,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 2857 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 21:42:05,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-20 21:42:05,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 911. [2024-11-20 21:42:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 874 states have (on average 1.4233409610983982) internal successors, (1244), 895 states have internal predecessors, (1244), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:42:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1294 transitions. [2024-11-20 21:42:05,200 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1294 transitions. Word has length 119 [2024-11-20 21:42:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:42:05,200 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1294 transitions. [2024-11-20 21:42:05,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:42:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1294 transitions. [2024-11-20 21:42:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 21:42:05,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:42:05,203 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:42:05,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 21:42:05,203 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:42:05,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:42:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash -931119853, now seen corresponding path program 1 times [2024-11-20 21:42:05,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:42:05,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488676752] [2024-11-20 21:42:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:42:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:42:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:42:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 21:42:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:42:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:42:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:42:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488676752] [2024-11-20 21:42:05,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488676752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:42:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249539662] [2024-11-20 21:42:05,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:42:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:42:05,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:42:05,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 21:42:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:05,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 21:42:05,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:42:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:42:06,064 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:42:06,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249539662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:42:06,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:42:06,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-20 21:42:06,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194953418] [2024-11-20 21:42:06,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:42:06,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:42:06,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:42:06,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:42:06,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:42:06,067 INFO L87 Difference]: Start difference. First operand 911 states and 1294 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:42:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:42:06,607 INFO L93 Difference]: Finished difference Result 1715 states and 2446 transitions. [2024-11-20 21:42:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:42:06,608 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 120 [2024-11-20 21:42:06,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:42:06,614 INFO L225 Difference]: With dead ends: 1715 [2024-11-20 21:42:06,614 INFO L226 Difference]: Without dead ends: 931 [2024-11-20 21:42:06,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:42:06,617 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 43 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:42:06,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3200 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:42:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-20 21:42:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 907. [2024-11-20 21:42:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 870 states have (on average 1.42183908045977) internal successors, (1237), 891 states have internal predecessors, (1237), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 21:42:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1287 transitions. [2024-11-20 21:42:06,655 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1287 transitions. Word has length 120 [2024-11-20 21:42:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:42:06,655 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1287 transitions. [2024-11-20 21:42:06,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-20 21:42:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1287 transitions. [2024-11-20 21:42:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 21:42:06,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:42:06,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:42:06,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 21:42:06,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:42:06,858 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:42:06,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:42:06,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1945970998, now seen corresponding path program 1 times [2024-11-20 21:42:06,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:42:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026985258] [2024-11-20 21:42:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:06,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:42:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:07,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:42:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:07,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:42:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:07,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 21:42:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:07,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:42:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:42:07,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:42:07,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026985258] [2024-11-20 21:42:07,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026985258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:42:07,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89793761] [2024-11-20 21:42:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:07,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:42:07,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:42:07,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:42:07,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 21:42:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:07,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 21:42:07,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:42:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:42:07,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:42:07,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89793761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:42:07,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:42:07,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-20 21:42:07,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759819010] [2024-11-20 21:42:07,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:42:07,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:42:07,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:42:07,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:42:07,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:42:07,708 INFO L87 Difference]: Start difference. First operand 907 states and 1287 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:42:07,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:42:07,753 INFO L93 Difference]: Finished difference Result 1636 states and 2330 transitions. [2024-11-20 21:42:07,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:42:07,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2024-11-20 21:42:07,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:42:07,759 INFO L225 Difference]: With dead ends: 1636 [2024-11-20 21:42:07,759 INFO L226 Difference]: Without dead ends: 913 [2024-11-20 21:42:07,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:42:07,763 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 0 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1907 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 [2024-11-20 21:42:07,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1907 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:42:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-11-20 21:42:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2024-11-20 21:42:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 874 states have (on average 1.4221967963386728) internal successors, (1243), 897 states have internal predecessors, (1243), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-20 21:42:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1295 transitions. [2024-11-20 21:42:07,836 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1295 transitions. Word has length 120 [2024-11-20 21:42:07,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:42:07,836 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1295 transitions. [2024-11-20 21:42:07,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-20 21:42:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1295 transitions. [2024-11-20 21:42:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 21:42:07,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:42:07,840 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:42:07,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 21:42:08,040 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,SelfDestructingSolverStorable11 [2024-11-20 21:42:08,042 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:42:08,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:42:08,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1953870476, now seen corresponding path program 1 times [2024-11-20 21:42:08,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:42:08,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067009619] [2024-11-20 21:42:08,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:08,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:42:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:42:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 21:42:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 21:42:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:08,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 21:42:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:42:08,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:42:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067009619] [2024-11-20 21:42:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067009619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:42:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467868933] [2024-11-20 21:42:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:42:08,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:42:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:42:08,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:42:08,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 21:42:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:42:09,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-20 21:42:09,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:42:09,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-20 21:42:09,447 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 [2024-11-20 21:42:09,469 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-20 21:42:09,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-20 21:42:09,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-20 21:42:09,543 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 18 treesize of output 10 [2024-11-20 21:42:09,717 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-20 21:42:09,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 52 [2024-11-20 21:42:09,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-20 21:43:08,404 WARN L286 SmtUtils]: Spent 51.92s on a formula simplification. DAG size of input: 40027 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-20 21:43:08,405 INFO L349 Elim1Store]: treesize reduction 14855158, result has 0.0 percent of original size [2024-11-20 21:43:08,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 196 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 238 new quantified variables, introduced 4976 case distinctions, treesize of input 178393850136 treesize of output 32847569098