./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_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:41:28,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:41:28,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:41:28,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:41:28,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:41:28,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:41:28,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:41:28,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:41:28,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:41:28,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:41:28,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:41:28,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:41:28,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:41:28,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:41:28,506 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:41:28,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:41:28,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:41:28,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:41:28,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:41:28,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:41:28,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:41:28,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:41:28,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:41:28,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:41:28,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:41:28,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:41:28,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:41:28,516 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:41:28,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:41:28,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:41:28,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:41:28,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:41:28,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:41:28,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:41:28,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:41:28,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:41:28,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:41:28,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:41:28,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:41:28,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:41:28,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:41:28,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:41:28,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:41:28,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:41:28,521 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2024-10-11 23:41:28,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:41:28,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:41:28,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:41:28,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:41:28,818 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:41:28,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2024-10-11 23:41:30,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:41:30,645 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:41:30,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2024-10-11 23:41:30,674 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fd7e36ce4/53c501ec9ae54ccf98484ff07d67abc3/FLAG640cf368c [2024-10-11 23:41:30,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fd7e36ce4/53c501ec9ae54ccf98484ff07d67abc3 [2024-10-11 23:41:30,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:41:30,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:41:30,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:41:30,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:41:30,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:41:30,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:41:30" (1/1) ... [2024-10-11 23:41:30,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc90b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:30, skipping insertion in model container [2024-10-11 23:41:30,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:41:30" (1/1) ... [2024-10-11 23:41:30,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:41:31,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:41:31,528 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:41:31,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:41:31,720 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:41:31,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31 WrapperNode [2024-10-11 23:41:31,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:41:31,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:41:31,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:41:31,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:41:31,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:31,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:31,893 INFO L138 Inliner]: procedures = 177, calls = 724, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3290 [2024-10-11 23:41:31,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:41:31,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:41:31,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:41:31,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:41:31,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:31,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:31,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,008 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [172, 2, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 46 writes are split as follows [42, 0, 4]. [2024-10-11 23:41:32,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:41:32,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:41:32,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:41:32,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:41:32,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (1/1) ... [2024-10-11 23:41:32,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:41:32,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:32,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:41:32,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:41:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:41:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:41:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:41:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:41:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:41:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:41:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:41:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:41:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:41:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:41:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:41:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:41:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:41:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:41:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:41:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:41:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:41:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:41:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:41:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:41:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:41:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:41:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:41:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:41:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:41:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:41:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:41:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:41:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:41:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:41:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:41:32,482 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:41:32,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:41:35,043 INFO L? ?]: Removed 808 outVars from TransFormulas that were not future-live. [2024-10-11 23:41:35,044 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:41:35,108 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:41:35,109 INFO L314 CfgBuilder]: Removed 54 assume(true) statements. [2024-10-11 23:41:35,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:41:35 BoogieIcfgContainer [2024-10-11 23:41:35,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:41:35,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:41:35,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:41:35,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:41:35,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:41:30" (1/3) ... [2024-10-11 23:41:35,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103ce17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:41:35, skipping insertion in model container [2024-10-11 23:41:35,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:41:31" (2/3) ... [2024-10-11 23:41:35,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103ce17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:41:35, skipping insertion in model container [2024-10-11 23:41:35,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:41:35" (3/3) ... [2024-10-11 23:41:35,117 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2024-10-11 23:41:35,133 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:41:35,133 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:41:35,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:41:35,248 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;@519213f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:41:35,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:41:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 1383 states, 866 states have (on average 1.8441108545034641) internal successors, (1597), 1376 states have internal predecessors, (1597), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-10-11 23:41:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:41:35,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:35,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:41:35,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:35,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2132616231, now seen corresponding path program 1 times [2024-10-11 23:41:35,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:35,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605067347] [2024-10-11 23:41:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:35,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:35,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:35,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605067347] [2024-10-11 23:41:35,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605067347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:35,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:35,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:41:35,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168457263] [2024-10-11 23:41:35,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:35,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:41:35,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:35,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:41:35,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:41:35,506 INFO L87 Difference]: Start difference. First operand has 1383 states, 866 states have (on average 1.8441108545034641) internal successors, (1597), 1376 states have internal predecessors, (1597), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 23:41:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:35,680 INFO L93 Difference]: Finished difference Result 2763 states and 5712 transitions. [2024-10-11 23:41:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:41:35,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-11 23:41:35,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:35,782 INFO L225 Difference]: With dead ends: 2763 [2024-10-11 23:41:35,783 INFO L226 Difference]: Without dead ends: 1376 [2024-10-11 23:41:35,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:41:35,802 INFO L432 NwaCegarLoop]: 2540 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:35,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2540 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:41:35,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-10-11 23:41:36,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1376. [2024-10-11 23:41:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 863 states have (on average 1.7752027809965238) internal successors, (1532), 1370 states have internal predecessors, (1532), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:41:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2538 transitions. [2024-10-11 23:41:36,172 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2538 transitions. Word has length 6 [2024-10-11 23:41:36,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:36,173 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 2538 transitions. [2024-10-11 23:41:36,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-11 23:41:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2538 transitions. [2024-10-11 23:41:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:41:36,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:36,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:41:36,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:41:36,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:36,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:36,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2132618153, now seen corresponding path program 1 times [2024-10-11 23:41:36,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:36,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542789442] [2024-10-11 23:41:36,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:36,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:41:36,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577968610] [2024-10-11 23:41:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:36,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:36,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:36,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:41:36,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:41:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:36,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:41:36,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:36,405 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 [2024-10-11 23:41:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:36,453 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:41:36,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542789442] [2024-10-11 23:41:36,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:41:36,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577968610] [2024-10-11 23:41:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577968610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:36,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:36,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:41:36,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325861072] [2024-10-11 23:41:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:36,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:41:36,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:41:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:41:36,458 INFO L87 Difference]: Start difference. First operand 1376 states and 2538 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-11 23:41:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:37,349 INFO L93 Difference]: Finished difference Result 2744 states and 5069 transitions. [2024-10-11 23:41:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:41:37,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-11 23:41:37,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:37,374 INFO L225 Difference]: With dead ends: 2744 [2024-10-11 23:41:37,375 INFO L226 Difference]: Without dead ends: 2742 [2024-10-11 23:41:37,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:41:37,380 INFO L432 NwaCegarLoop]: 2774 mSDtfsCounter, 1518 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 7557 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:37,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 7557 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:41:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2024-10-11 23:41:37,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 1382. [2024-10-11 23:41:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7710011507479861) internal successors, (1539), 1376 states have internal predecessors, (1539), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:41:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2545 transitions. [2024-10-11 23:41:37,667 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2545 transitions. Word has length 6 [2024-10-11 23:41:37,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:37,667 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2545 transitions. [2024-10-11 23:41:37,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-11 23:41:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2545 transitions. [2024-10-11 23:41:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 23:41:37,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:37,670 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] [2024-10-11 23:41:37,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 23:41:37,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:37,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:37,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1554258750, now seen corresponding path program 1 times [2024-10-11 23:41:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:37,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667327251] [2024-10-11 23:41:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:38,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:38,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667327251] [2024-10-11 23:41:38,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667327251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:38,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:41:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606387842] [2024-10-11 23:41:38,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:38,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:41:38,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:38,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:41:38,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:41:38,284 INFO L87 Difference]: Start difference. First operand 1382 states and 2545 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-11 23:41:39,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:39,104 INFO L93 Difference]: Finished difference Result 3910 states and 7309 transitions. [2024-10-11 23:41:39,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:41:39,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-10-11 23:41:39,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:39,126 INFO L225 Difference]: With dead ends: 3910 [2024-10-11 23:41:39,126 INFO L226 Difference]: Without dead ends: 2741 [2024-10-11 23:41:39,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:41:39,134 INFO L432 NwaCegarLoop]: 2812 mSDtfsCounter, 1519 mSDsluCounter, 4822 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7634 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:39,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7634 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:41:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-10-11 23:41:39,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1382. [2024-10-11 23:41:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7698504027617952) internal successors, (1538), 1376 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:41:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2544 transitions. [2024-10-11 23:41:39,459 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2544 transitions. Word has length 63 [2024-10-11 23:41:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:39,460 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2544 transitions. [2024-10-11 23:41:39,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-10-11 23:41:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2544 transitions. [2024-10-11 23:41:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:41:39,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:39,463 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] [2024-10-11 23:41:39,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:41:39,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:39,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash 17459717, now seen corresponding path program 1 times [2024-10-11 23:41:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534056275] [2024-10-11 23:41:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:39,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:39,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534056275] [2024-10-11 23:41:39,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534056275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:39,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:39,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:41:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099120061] [2024-10-11 23:41:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:39,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:41:39,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:41:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:41:39,736 INFO L87 Difference]: Start difference. First operand 1382 states and 2544 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:41:39,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:39,868 INFO L93 Difference]: Finished difference Result 2760 states and 5084 transitions. [2024-10-11 23:41:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:41:39,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 23:41:39,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:39,879 INFO L225 Difference]: With dead ends: 2760 [2024-10-11 23:41:39,880 INFO L226 Difference]: Without dead ends: 1385 [2024-10-11 23:41:39,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:41:39,885 INFO L432 NwaCegarLoop]: 2507 mSDtfsCounter, 87 mSDsluCounter, 7419 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 9926 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:39,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 9926 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:41:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-11 23:41:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1382. [2024-10-11 23:41:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.761795166858458) internal successors, (1531), 1376 states have internal predecessors, (1531), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:41:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2537 transitions. [2024-10-11 23:41:40,022 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2537 transitions. Word has length 80 [2024-10-11 23:41:40,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:40,023 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2537 transitions. [2024-10-11 23:41:40,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:41:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2537 transitions. [2024-10-11 23:41:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:41:40,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:40,025 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] [2024-10-11 23:41:40,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:41:40,026 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:40,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:40,026 INFO L85 PathProgramCache]: Analyzing trace with hash 586599417, now seen corresponding path program 1 times [2024-10-11 23:41:40,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:40,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902055415] [2024-10-11 23:41:40,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:40,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902055415] [2024-10-11 23:41:40,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902055415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:40,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:40,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:41:40,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204462280] [2024-10-11 23:41:40,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:40,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:41:40,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:40,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:41:40,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:41:40,195 INFO L87 Difference]: Start difference. First operand 1382 states and 2537 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:41:40,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:40,278 INFO L93 Difference]: Finished difference Result 2763 states and 5076 transitions. [2024-10-11 23:41:40,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:41:40,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 23:41:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:40,290 INFO L225 Difference]: With dead ends: 2763 [2024-10-11 23:41:40,292 INFO L226 Difference]: Without dead ends: 1388 [2024-10-11 23:41:40,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:41:40,298 INFO L432 NwaCegarLoop]: 2522 mSDtfsCounter, 1 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5023 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:40,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5023 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:41:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-10-11 23:41:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2024-10-11 23:41:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 875 states have (on average 1.7565714285714287) internal successors, (1537), 1382 states have internal predecessors, (1537), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:41:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 2543 transitions. [2024-10-11 23:41:40,462 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 2543 transitions. Word has length 80 [2024-10-11 23:41:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:40,463 INFO L471 AbstractCegarLoop]: Abstraction has 1388 states and 2543 transitions. [2024-10-11 23:41:40,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:41:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2543 transitions. [2024-10-11 23:41:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:41:40,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:40,468 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] [2024-10-11 23:41:40,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:41:40,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:40,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:40,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1067679675, now seen corresponding path program 1 times [2024-10-11 23:41:40,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:40,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103987914] [2024-10-11 23:41:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:40,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:40,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:40,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103987914] [2024-10-11 23:41:40,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103987914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:40,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:40,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:41:40,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015446179] [2024-10-11 23:41:40,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:40,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:41:40,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:40,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:41:40,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:41:40,618 INFO L87 Difference]: Start difference. First operand 1388 states and 2543 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:41:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:40,774 INFO L93 Difference]: Finished difference Result 4045 states and 7482 transitions. [2024-10-11 23:41:40,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:41:40,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 23:41:40,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:40,795 INFO L225 Difference]: With dead ends: 4045 [2024-10-11 23:41:40,795 INFO L226 Difference]: Without dead ends: 2664 [2024-10-11 23:41:40,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:41:40,803 INFO L432 NwaCegarLoop]: 2980 mSDtfsCounter, 1342 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 5495 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:40,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 5495 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:41:40,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2024-10-11 23:41:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2660. [2024-10-11 23:41:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1647 states have (on average 1.7838494231936854) internal successors, (2938), 2654 states have internal predecessors, (2938), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-11 23:41:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4944 transitions. [2024-10-11 23:41:41,159 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4944 transitions. Word has length 80 [2024-10-11 23:41:41,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:41,160 INFO L471 AbstractCegarLoop]: Abstraction has 2660 states and 4944 transitions. [2024-10-11 23:41:41,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:41:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4944 transitions. [2024-10-11 23:41:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 23:41:41,161 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:41,162 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:41,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:41:41,162 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:41,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:41,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2038428832, now seen corresponding path program 1 times [2024-10-11 23:41:41,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:41,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364486890] [2024-10-11 23:41:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:41,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:41:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:41:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:41:41,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:41,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364486890] [2024-10-11 23:41:41,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364486890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:41,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:41,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:41:41,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933110784] [2024-10-11 23:41:41,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:41,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:41:41,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:41,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:41:41,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:41:41,580 INFO L87 Difference]: Start difference. First operand 2660 states and 4944 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:41:45,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:45,938 INFO L93 Difference]: Finished difference Result 4902 states and 9291 transitions. [2024-10-11 23:41:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:41:45,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2024-10-11 23:41:45,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:46,000 INFO L225 Difference]: With dead ends: 4902 [2024-10-11 23:41:46,001 INFO L226 Difference]: Without dead ends: 4900 [2024-10-11 23:41:46,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:41:46,004 INFO L432 NwaCegarLoop]: 2742 mSDtfsCounter, 1431 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 7691 SdHoareTripleChecker+Invalid, 3647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:46,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 7691 Invalid, 3647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2641 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 23:41:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2024-10-11 23:41:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 2724. [2024-10-11 23:41:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 1708 states have (on average 1.765807962529274) internal successors, (3016), 2715 states have internal predecessors, (3016), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:41:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 5028 transitions. [2024-10-11 23:41:46,491 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 5028 transitions. Word has length 93 [2024-10-11 23:41:46,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:46,492 INFO L471 AbstractCegarLoop]: Abstraction has 2724 states and 5028 transitions. [2024-10-11 23:41:46,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:41:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 5028 transitions. [2024-10-11 23:41:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 23:41:46,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:46,495 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:41:46,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:41:46,495 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:46,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash -853651585, now seen corresponding path program 1 times [2024-10-11 23:41:46,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:46,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727957530] [2024-10-11 23:41:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:46,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:41:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:46,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:41:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:41:46,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:46,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727957530] [2024-10-11 23:41:46,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727957530] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:46,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843038756] [2024-10-11 23:41:46,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:46,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:46,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:46,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:41:46,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:41:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:47,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 23:41:47,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:47,270 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 [2024-10-11 23:41:47,289 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 [2024-10-11 23:41:47,309 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 [2024-10-11 23:41:47,736 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 23:41:47,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 43 [2024-10-11 23:41:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:41:47,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:41:47,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843038756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:47,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:41:47,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-11 23:41:47,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437799544] [2024-10-11 23:41:47,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:47,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:41:47,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:47,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:41:47,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:41:47,896 INFO L87 Difference]: Start difference. First operand 2724 states and 5028 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:41:50,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:50,986 INFO L93 Difference]: Finished difference Result 7570 states and 14230 transitions. [2024-10-11 23:41:50,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:41:50,987 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-11 23:41:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:51,051 INFO L225 Difference]: With dead ends: 7570 [2024-10-11 23:41:51,051 INFO L226 Difference]: Without dead ends: 4939 [2024-10-11 23:41:51,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:41:51,062 INFO L432 NwaCegarLoop]: 2784 mSDtfsCounter, 1780 mSDsluCounter, 22991 mSDsCounter, 0 mSdLazyCounter, 2193 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 25775 SdHoareTripleChecker+Invalid, 2201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:51,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 25775 Invalid, 2201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2193 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 23:41:51,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2024-10-11 23:41:51,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 2756. [2024-10-11 23:41:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 1740 states have (on average 1.7545977011494254) internal successors, (3053), 2747 states have internal predecessors, (3053), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:41:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 5065 transitions. [2024-10-11 23:41:51,722 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 5065 transitions. Word has length 99 [2024-10-11 23:41:51,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:51,725 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 5065 transitions. [2024-10-11 23:41:51,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:41:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 5065 transitions. [2024-10-11 23:41:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 23:41:51,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:51,727 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 23:41:51,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:41:51,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:51,932 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:51,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:51,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1530273153, now seen corresponding path program 1 times [2024-10-11 23:41:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:51,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738725148] [2024-10-11 23:41:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:51,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:52,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:41:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:52,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:41:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:41:52,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:52,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738725148] [2024-10-11 23:41:52,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738725148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:52,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:41:52,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:41:52,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360254063] [2024-10-11 23:41:52,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:52,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:41:52,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:52,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:41:52,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:41:52,115 INFO L87 Difference]: Start difference. First operand 2756 states and 5065 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:41:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:54,610 INFO L93 Difference]: Finished difference Result 5341 states and 9897 transitions. [2024-10-11 23:41:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:41:54,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-11 23:41:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:54,631 INFO L225 Difference]: With dead ends: 5341 [2024-10-11 23:41:54,631 INFO L226 Difference]: Without dead ends: 2618 [2024-10-11 23:41:54,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:41:54,641 INFO L432 NwaCegarLoop]: 2428 mSDtfsCounter, 14 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7644 SdHoareTripleChecker+Invalid, 2131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:54,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7644 Invalid, 2131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 23:41:54,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2024-10-11 23:41:54,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2616. [2024-10-11 23:41:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2616 states, 1600 states have (on average 1.776875) internal successors, (2843), 2607 states have internal predecessors, (2843), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:41:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 4855 transitions. [2024-10-11 23:41:55,020 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 4855 transitions. Word has length 99 [2024-10-11 23:41:55,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:55,021 INFO L471 AbstractCegarLoop]: Abstraction has 2616 states and 4855 transitions. [2024-10-11 23:41:55,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:41:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 4855 transitions. [2024-10-11 23:41:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 23:41:55,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:55,023 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:55,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:41:55,023 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:55,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2091189114, now seen corresponding path program 1 times [2024-10-11 23:41:55,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:55,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062910318] [2024-10-11 23:41:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:55,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:55,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:41:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:41:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:41:55,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:55,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062910318] [2024-10-11 23:41:55,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062910318] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:55,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187279989] [2024-10-11 23:41:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:55,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:41:55,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:41:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:55,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 23:41:55,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:41:55,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:41:55,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187279989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:55,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:41:55,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-11 23:41:55,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449256198] [2024-10-11 23:41:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:55,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:41:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:55,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:41:55,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:41:55,935 INFO L87 Difference]: Start difference. First operand 2616 states and 4855 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 23:41:56,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:56,049 INFO L93 Difference]: Finished difference Result 5145 states and 9602 transitions. [2024-10-11 23:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:41:56,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2024-10-11 23:41:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:56,073 INFO L225 Difference]: With dead ends: 5145 [2024-10-11 23:41:56,074 INFO L226 Difference]: Without dead ends: 2618 [2024-10-11 23:41:56,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:41:56,085 INFO L432 NwaCegarLoop]: 2446 mSDtfsCounter, 0 mSDsluCounter, 4888 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7334 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:56,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7334 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:41:56,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2024-10-11 23:41:56,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2618. [2024-10-11 23:41:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 1601 states have (on average 1.7770143660212367) internal successors, (2845), 2609 states have internal predecessors, (2845), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-10-11 23:41:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 4859 transitions. [2024-10-11 23:41:56,529 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 4859 transitions. Word has length 100 [2024-10-11 23:41:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:56,530 INFO L471 AbstractCegarLoop]: Abstraction has 2618 states and 4859 transitions. [2024-10-11 23:41:56,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 23:41:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 4859 transitions. [2024-10-11 23:41:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 23:41:56,531 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:56,532 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:56,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 23:41:56,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:56,733 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:41:56,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:56,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1559547436, now seen corresponding path program 1 times [2024-10-11 23:41:56,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:56,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508529770] [2024-10-11 23:41:56,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:56,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:41:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:57,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:41:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 23:41:57,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:57,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508529770] [2024-10-11 23:41:57,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508529770] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:57,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165238707] [2024-10-11 23:41:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:57,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:57,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:57,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:41:57,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:41:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:57,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:41:57,782 INFO L278 TraceCheckSpWp]: Computing forward predicates...