./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:27:08,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:27:08,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:27:08,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:27:08,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:27:09,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:27:09,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:27:09,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:27:09,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:27:09,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:27:09,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:27:09,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:27:09,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:27:09,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:27:09,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:27:09,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:27:09,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:27:09,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:27:09,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:27:09,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:27:09,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:27:09,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:27:09,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:27:09,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:27:09,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:27:09,026 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:27:09,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:27:09,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:27:09,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:27:09,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:27:09,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:27:09,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:27:09,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:27:09,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:27:09,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:27:09,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:27:09,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:27:09,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:27:09,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:27:09,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:27:09,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:27:09,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:27:09,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:27:09,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:27:09,031 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 [2024-11-17 07:27:09,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:27:09,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:27:09,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:27:09,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:27:09,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:27:09,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2024-11-17 07:27:10,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:27:11,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:27:11,102 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2024-11-17 07:27:11,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c1f7a40/f3784df2ef7f4fc9960a0804f89b99e7/FLAG4d3520d8a [2024-11-17 07:27:11,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c1f7a40/f3784df2ef7f4fc9960a0804f89b99e7 [2024-11-17 07:27:11,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:27:11,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:27:11,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:27:11,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:27:11,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:27:11,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:27:11" (1/1) ... [2024-11-17 07:27:11,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320e9dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:11, skipping insertion in model container [2024-11-17 07:27:11,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:27:11" (1/1) ... [2024-11-17 07:27:11,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:27:12,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:27:12,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:27:12,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:27:12,267 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:27:12,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12 WrapperNode [2024-11-17 07:27:12,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:27:12,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:27:12,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:27:12,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:27:12,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,416 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2306 [2024-11-17 07:27:12,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:27:12,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:27:12,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:27:12,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:27:12,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,623 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 24, 417]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 1, 98]. [2024-11-17 07:27:12,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,671 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:27:12,717 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:27:12,717 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:27:12,717 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:27:12,719 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (1/1) ... [2024-11-17 07:27:12,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:27:12,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:12,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:27:12,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:27:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:27:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:27:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:27:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:27:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:27:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:27:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:27:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:27:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:27:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:27:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:27:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:27:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:27:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:27:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:27:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:27:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:27:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:27:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:27:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:27:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:27:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:27:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:27:12,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:27:13,082 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:27:13,084 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:27:14,955 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#j~0#1.base, main_~#j~0#1.offset);havoc main_~#j~0#1.base, main_~#j~0#1.offset; [2024-11-17 07:27:15,108 INFO L? ?]: Removed 534 outVars from TransFormulas that were not future-live. [2024-11-17 07:27:15,108 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:27:15,185 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:27:15,188 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 07:27:15,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:27:15 BoogieIcfgContainer [2024-11-17 07:27:15,190 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:27:15,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:27:15,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:27:15,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:27:15,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:27:11" (1/3) ... [2024-11-17 07:27:15,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99e8659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:27:15, skipping insertion in model container [2024-11-17 07:27:15,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:27:12" (2/3) ... [2024-11-17 07:27:15,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99e8659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:27:15, skipping insertion in model container [2024-11-17 07:27:15,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:27:15" (3/3) ... [2024-11-17 07:27:15,199 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-3.i [2024-11-17 07:27:15,215 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:27:15,216 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 07:27:15,301 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:27:15,308 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;@f13523a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:27:15,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 07:27:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 637 states have (on average 1.6185243328100472) internal successors, (1031), 654 states have internal predecessors, (1031), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:27:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:27:15,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:15,326 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:15,326 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:15,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:15,332 INFO L85 PathProgramCache]: Analyzing trace with hash -490933168, now seen corresponding path program 1 times [2024-11-17 07:27:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:15,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250125314] [2024-11-17 07:27:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:15,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:15,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:15,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250125314] [2024-11-17 07:27:15,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250125314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:15,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:15,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:27:15,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388589565] [2024-11-17 07:27:15,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:15,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:27:15,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:15,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:27:15,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:27:15,549 INFO L87 Difference]: Start difference. First operand has 664 states, 637 states have (on average 1.6185243328100472) internal successors, (1031), 654 states have internal predecessors, (1031), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:15,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:15,738 INFO L93 Difference]: Finished difference Result 1322 states and 2116 transitions. [2024-11-17 07:27:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:27:15,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 07:27:15,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:15,759 INFO L225 Difference]: With dead ends: 1322 [2024-11-17 07:27:15,760 INFO L226 Difference]: Without dead ends: 591 [2024-11-17 07:27:15,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:27:15,774 INFO L432 NwaCegarLoop]: 878 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:15,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 878 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-17 07:27:15,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2024-11-17 07:27:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 570 states have (on average 1.4526315789473685) internal successors, (828), 582 states have internal predecessors, (828), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 07:27:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 850 transitions. [2024-11-17 07:27:15,881 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 850 transitions. Word has length 7 [2024-11-17 07:27:15,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:15,882 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 850 transitions. [2024-11-17 07:27:15,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:15,882 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 850 transitions. [2024-11-17 07:27:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:27:15,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:15,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:15,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:27:15,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:15,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1960971868, now seen corresponding path program 1 times [2024-11-17 07:27:15,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:15,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817585021] [2024-11-17 07:27:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:27:15,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497619284] [2024-11-17 07:27:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:15,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:15,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:15,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:15,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:27:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:16,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 07:27:16,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:16,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:16,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:16,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817585021] [2024-11-17 07:27:16,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:27:16,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497619284] [2024-11-17 07:27:16,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497619284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:16,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:16,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:27:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857525544] [2024-11-17 07:27:16,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:16,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:16,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:16,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:16,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:16,198 INFO L87 Difference]: Start difference. First operand 591 states and 850 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:16,473 INFO L93 Difference]: Finished difference Result 1350 states and 1956 transitions. [2024-11-17 07:27:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:16,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 07:27:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:16,479 INFO L225 Difference]: With dead ends: 1350 [2024-11-17 07:27:16,479 INFO L226 Difference]: Without dead ends: 1162 [2024-11-17 07:27:16,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:16,481 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 801 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:16,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 1632 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:16,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-17 07:27:16,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 773. [2024-11-17 07:27:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 747 states have (on average 1.4551539491298529) internal successors, (1087), 764 states have internal predecessors, (1087), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1119 transitions. [2024-11-17 07:27:16,530 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1119 transitions. Word has length 8 [2024-11-17 07:27:16,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:16,531 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1119 transitions. [2024-11-17 07:27:16,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1119 transitions. [2024-11-17 07:27:16,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:27:16,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:16,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:16,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:16,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:16,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:16,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:16,745 INFO L85 PathProgramCache]: Analyzing trace with hash 949111840, now seen corresponding path program 1 times [2024-11-17 07:27:16,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:16,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922847569] [2024-11-17 07:27:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:16,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:17,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:17,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922847569] [2024-11-17 07:27:17,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922847569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:17,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:17,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:17,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907767837] [2024-11-17 07:27:17,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:17,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:17,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:17,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:17,385 INFO L87 Difference]: Start difference. First operand 773 states and 1119 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:17,620 INFO L93 Difference]: Finished difference Result 1558 states and 2260 transitions. [2024-11-17 07:27:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:17,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:27:17,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:17,630 INFO L225 Difference]: With dead ends: 1558 [2024-11-17 07:27:17,630 INFO L226 Difference]: Without dead ends: 793 [2024-11-17 07:27:17,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:17,635 INFO L432 NwaCegarLoop]: 767 mSDtfsCounter, 8 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:17,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1519 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:17,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-17 07:27:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2024-11-17 07:27:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 767 states have (on average 1.4432855280312908) internal successors, (1107), 784 states have internal predecessors, (1107), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1139 transitions. [2024-11-17 07:27:17,674 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1139 transitions. Word has length 155 [2024-11-17 07:27:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:17,674 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1139 transitions. [2024-11-17 07:27:17,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1139 transitions. [2024-11-17 07:27:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:27:17,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:17,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:17,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:27:17,679 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:17,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:17,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1407316159, now seen corresponding path program 1 times [2024-11-17 07:27:17,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:17,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684301450] [2024-11-17 07:27:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:17,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:18,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:18,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684301450] [2024-11-17 07:27:18,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684301450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:18,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:18,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:18,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200578149] [2024-11-17 07:27:18,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:18,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:18,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:18,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:18,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:18,055 INFO L87 Difference]: Start difference. First operand 793 states and 1139 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:18,276 INFO L93 Difference]: Finished difference Result 1564 states and 2256 transitions. [2024-11-17 07:27:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:18,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 155 [2024-11-17 07:27:18,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:18,282 INFO L225 Difference]: With dead ends: 1564 [2024-11-17 07:27:18,282 INFO L226 Difference]: Without dead ends: 779 [2024-11-17 07:27:18,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:18,289 INFO L432 NwaCegarLoop]: 759 mSDtfsCounter, 105 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:18,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 2192 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-17 07:27:18,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2024-11-17 07:27:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 753 states have (on average 1.4422310756972112) internal successors, (1086), 770 states have internal predecessors, (1086), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1118 transitions. [2024-11-17 07:27:18,309 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1118 transitions. Word has length 155 [2024-11-17 07:27:18,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:18,310 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1118 transitions. [2024-11-17 07:27:18,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1118 transitions. [2024-11-17 07:27:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 07:27:18,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:18,314 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:18,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:27:18,315 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:18,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:18,315 INFO L85 PathProgramCache]: Analyzing trace with hash -532640870, now seen corresponding path program 1 times [2024-11-17 07:27:18,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:18,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720858191] [2024-11-17 07:27:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:27:18,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:18,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720858191] [2024-11-17 07:27:18,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720858191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:18,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:18,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:27:18,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136100292] [2024-11-17 07:27:18,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:18,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:27:18,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:18,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:27:18,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:18,533 INFO L87 Difference]: Start difference. First operand 779 states and 1118 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:18,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:18,709 INFO L93 Difference]: Finished difference Result 1685 states and 2423 transitions. [2024-11-17 07:27:18,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:27:18,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 155 [2024-11-17 07:27:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:18,743 INFO L225 Difference]: With dead ends: 1685 [2024-11-17 07:27:18,744 INFO L226 Difference]: Without dead ends: 914 [2024-11-17 07:27:18,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:27:18,746 INFO L432 NwaCegarLoop]: 779 mSDtfsCounter, 134 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:18,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1551 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:27:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-17 07:27:18,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2024-11-17 07:27:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 888 states have (on average 1.4414414414414414) internal successors, (1280), 905 states have internal predecessors, (1280), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1312 transitions. [2024-11-17 07:27:18,767 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1312 transitions. Word has length 155 [2024-11-17 07:27:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:18,768 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1312 transitions. [2024-11-17 07:27:18,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:27:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1312 transitions. [2024-11-17 07:27:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:27:18,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:18,772 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:18,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:27:18,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:18,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1965864512, now seen corresponding path program 1 times [2024-11-17 07:27:18,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:18,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187468427] [2024-11-17 07:27:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:27:19,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:19,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187468427] [2024-11-17 07:27:19,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187468427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:19,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:19,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:27:19,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748784096] [2024-11-17 07:27:19,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:19,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:27:19,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:19,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:27:19,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:19,142 INFO L87 Difference]: Start difference. First operand 914 states and 1312 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:27:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:19,725 INFO L93 Difference]: Finished difference Result 1646 states and 2365 transitions. [2024-11-17 07:27:19,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:27:19,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-17 07:27:19,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:19,730 INFO L225 Difference]: With dead ends: 1646 [2024-11-17 07:27:19,730 INFO L226 Difference]: Without dead ends: 875 [2024-11-17 07:27:19,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:27:19,732 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 36 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2593 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:19,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2593 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:27:19,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-17 07:27:19,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 872. [2024-11-17 07:27:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 846 states have (on average 1.4219858156028369) internal successors, (1203), 863 states have internal predecessors, (1203), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-17 07:27:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1235 transitions. [2024-11-17 07:27:19,754 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1235 transitions. Word has length 170 [2024-11-17 07:27:19,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:19,755 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1235 transitions. [2024-11-17 07:27:19,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:27:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1235 transitions. [2024-11-17 07:27:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-17 07:27:19,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:19,757 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:19,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:27:19,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:19,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:19,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1177128134, now seen corresponding path program 1 times [2024-11-17 07:27:19,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:19,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927142696] [2024-11-17 07:27:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:19,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:27:20,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:20,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927142696] [2024-11-17 07:27:20,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927142696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:20,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:20,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634400616] [2024-11-17 07:27:20,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:20,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:20,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:20,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:20,087 INFO L87 Difference]: Start difference. First operand 872 states and 1235 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:27:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:20,731 INFO L93 Difference]: Finished difference Result 1933 states and 2750 transitions. [2024-11-17 07:27:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 170 [2024-11-17 07:27:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:20,738 INFO L225 Difference]: With dead ends: 1933 [2024-11-17 07:27:20,739 INFO L226 Difference]: Without dead ends: 1204 [2024-11-17 07:27:20,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:27:20,741 INFO L432 NwaCegarLoop]: 882 mSDtfsCounter, 475 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:20,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 2338 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:20,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-17 07:27:20,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1196. [2024-11-17 07:27:20,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1157 states have (on average 1.421780466724287) internal successors, (1645), 1184 states have internal predecessors, (1645), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-17 07:27:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1703 transitions. [2024-11-17 07:27:20,781 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1703 transitions. Word has length 170 [2024-11-17 07:27:20,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:20,781 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1703 transitions. [2024-11-17 07:27:20,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:27:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1703 transitions. [2024-11-17 07:27:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-17 07:27:20,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:20,784 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:20,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:27:20,785 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:20,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:20,786 INFO L85 PathProgramCache]: Analyzing trace with hash -601309986, now seen corresponding path program 1 times [2024-11-17 07:27:20,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:20,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070751614] [2024-11-17 07:27:20,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:20,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:21,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:21,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:27:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:27:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:21,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:21,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070751614] [2024-11-17 07:27:21,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070751614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:21,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:21,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:27:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369318916] [2024-11-17 07:27:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:21,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:27:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:27:21,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:21,199 INFO L87 Difference]: Start difference. First operand 1196 states and 1703 transitions. Second operand has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:21,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:21,879 INFO L93 Difference]: Finished difference Result 1271 states and 1808 transitions. [2024-11-17 07:27:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:27:21,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-11-17 07:27:21,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:21,885 INFO L225 Difference]: With dead ends: 1271 [2024-11-17 07:27:21,885 INFO L226 Difference]: Without dead ends: 1269 [2024-11-17 07:27:21,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:27:21,887 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 557 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:21,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2725 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:21,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-11-17 07:27:21,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1261. [2024-11-17 07:27:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1219 states have (on average 1.4142739950779328) internal successors, (1724), 1246 states have internal predecessors, (1724), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1788 transitions. [2024-11-17 07:27:21,922 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1788 transitions. Word has length 185 [2024-11-17 07:27:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:21,923 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1788 transitions. [2024-11-17 07:27:21,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1788 transitions. [2024-11-17 07:27:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 07:27:21,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:21,926 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:21,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:27:21,926 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:21,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:21,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1973897032, now seen corresponding path program 1 times [2024-11-17 07:27:21,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:21,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145755238] [2024-11-17 07:27:21,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:21,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:22,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:27:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:23,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:27:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 07:27:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:23,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:27:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:23,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:23,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145755238] [2024-11-17 07:27:23,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145755238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:23,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450942643] [2024-11-17 07:27:23,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:23,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:23,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:23,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:23,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:27:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:23,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:27:23,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:23,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:27:23,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 07:27:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:24,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:24,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450942643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:24,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:24,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:27:24,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17755564] [2024-11-17 07:27:24,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:24,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:27:24,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:24,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:27:24,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:27:24,593 INFO L87 Difference]: Start difference. First operand 1261 states and 1788 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:26,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:26,670 INFO L93 Difference]: Finished difference Result 2468 states and 3493 transitions. [2024-11-17 07:27:26,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:27:26,671 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 193 [2024-11-17 07:27:26,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:26,678 INFO L225 Difference]: With dead ends: 2468 [2024-11-17 07:27:26,679 INFO L226 Difference]: Without dead ends: 1303 [2024-11-17 07:27:26,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:27:26,682 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 976 mSDsluCounter, 3413 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:26,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 4095 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 07:27:26,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-11-17 07:27:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1294. [2024-11-17 07:27:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1252 states have (on average 1.4073482428115016) internal successors, (1762), 1279 states have internal predecessors, (1762), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1826 transitions. [2024-11-17 07:27:26,721 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1826 transitions. Word has length 193 [2024-11-17 07:27:26,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:26,721 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1826 transitions. [2024-11-17 07:27:26,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 11 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1826 transitions. [2024-11-17 07:27:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-17 07:27:26,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:26,724 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:26,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:26,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-17 07:27:26,927 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:26,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1641257956, now seen corresponding path program 1 times [2024-11-17 07:27:26,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:26,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75796387] [2024-11-17 07:27:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:27:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:28,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:27:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 07:27:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:28,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:27:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:28,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:28,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75796387] [2024-11-17 07:27:28,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75796387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:28,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364189235] [2024-11-17 07:27:28,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:28,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:28,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:28,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:28,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:27:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:28,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:27:28,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:28,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:28,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364189235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:28,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:28,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 07:27:28,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728482116] [2024-11-17 07:27:28,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:29,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:29,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:29,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:29,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:29,001 INFO L87 Difference]: Start difference. First operand 1294 states and 1826 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:29,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:29,352 INFO L93 Difference]: Finished difference Result 2510 states and 3550 transitions. [2024-11-17 07:27:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:29,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 194 [2024-11-17 07:27:29,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:29,358 INFO L225 Difference]: With dead ends: 2510 [2024-11-17 07:27:29,358 INFO L226 Difference]: Without dead ends: 1345 [2024-11-17 07:27:29,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:29,362 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 17 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:29,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1928 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:27:29,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-11-17 07:27:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1329. [2024-11-17 07:27:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1287 states have (on average 1.400932400932401) internal successors, (1803), 1314 states have internal predecessors, (1803), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1867 transitions. [2024-11-17 07:27:29,410 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1867 transitions. Word has length 194 [2024-11-17 07:27:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:29,410 INFO L471 AbstractCegarLoop]: Abstraction has 1329 states and 1867 transitions. [2024-11-17 07:27:29,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1867 transitions. [2024-11-17 07:27:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 07:27:29,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:29,413 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:29,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 07:27:29,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:29,618 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:29,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:29,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1785071813, now seen corresponding path program 1 times [2024-11-17 07:27:29,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:29,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878086514] [2024-11-17 07:27:29,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:29,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:27:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:27:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-17 07:27:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 07:27:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:30,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:30,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878086514] [2024-11-17 07:27:30,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878086514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:30,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:30,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:27:30,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608171401] [2024-11-17 07:27:30,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:30,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:30,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:30,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:30,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:30,186 INFO L87 Difference]: Start difference. First operand 1329 states and 1867 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:31,139 INFO L93 Difference]: Finished difference Result 2540 states and 3592 transitions. [2024-11-17 07:27:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:31,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 195 [2024-11-17 07:27:31,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:31,146 INFO L225 Difference]: With dead ends: 2540 [2024-11-17 07:27:31,147 INFO L226 Difference]: Without dead ends: 1344 [2024-11-17 07:27:31,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:31,150 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 14 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3558 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:31,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3558 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:27:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-17 07:27:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1337. [2024-11-17 07:27:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1295 states have (on average 1.4) internal successors, (1813), 1322 states have internal predecessors, (1813), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1877 transitions. [2024-11-17 07:27:31,189 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1877 transitions. Word has length 195 [2024-11-17 07:27:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:31,189 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1877 transitions. [2024-11-17 07:27:31,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 6 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1877 transitions. [2024-11-17 07:27:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-17 07:27:31,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:31,192 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:31,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 07:27:31,193 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:31,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:31,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1386007219, now seen corresponding path program 1 times [2024-11-17 07:27:31,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:31,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244418066] [2024-11-17 07:27:31,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:27:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:27:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 07:27:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:27:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:31,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:31,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244418066] [2024-11-17 07:27:31,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244418066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:31,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198700950] [2024-11-17 07:27:31,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:31,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:31,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:31,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:31,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 07:27:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:32,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:27:32,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:32,918 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:32,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198700950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:32,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:32,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:27:32,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780789641] [2024-11-17 07:27:32,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:32,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:32,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:32,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:32,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:32,922 INFO L87 Difference]: Start difference. First operand 1337 states and 1877 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:33,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:33,620 INFO L93 Difference]: Finished difference Result 2552 states and 3597 transitions. [2024-11-17 07:27:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:33,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2024-11-17 07:27:33,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:33,627 INFO L225 Difference]: With dead ends: 2552 [2024-11-17 07:27:33,627 INFO L226 Difference]: Without dead ends: 1359 [2024-11-17 07:27:33,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:33,630 INFO L432 NwaCegarLoop]: 689 mSDtfsCounter, 12 mSDsluCounter, 2898 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:33,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3587 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:27:33,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-11-17 07:27:33,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1351. [2024-11-17 07:27:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1309 states have (on average 1.39877769289534) internal successors, (1831), 1336 states have internal predecessors, (1831), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1895 transitions. [2024-11-17 07:27:33,660 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1895 transitions. Word has length 196 [2024-11-17 07:27:33,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:33,661 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 1895 transitions. [2024-11-17 07:27:33,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1895 transitions. [2024-11-17 07:27:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-17 07:27:33,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:33,664 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:33,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:27:33,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:33,865 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:33,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:33,866 INFO L85 PathProgramCache]: Analyzing trace with hash 4008640, now seen corresponding path program 1 times [2024-11-17 07:27:33,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:33,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465829778] [2024-11-17 07:27:33,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:33,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:27:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:27:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 07:27:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:27:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:34,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:34,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465829778] [2024-11-17 07:27:34,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465829778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:34,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:34,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:27:34,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823676414] [2024-11-17 07:27:34,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:34,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:27:34,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:34,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:27:34,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:34,357 INFO L87 Difference]: Start difference. First operand 1351 states and 1895 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:35,434 INFO L93 Difference]: Finished difference Result 2570 states and 3631 transitions. [2024-11-17 07:27:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:27:35,435 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 196 [2024-11-17 07:27:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:35,440 INFO L225 Difference]: With dead ends: 2570 [2024-11-17 07:27:35,441 INFO L226 Difference]: Without dead ends: 1370 [2024-11-17 07:27:35,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:35,443 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 18 mSDsluCounter, 3436 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4126 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:35,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4126 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:27:35,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2024-11-17 07:27:35,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1353. [2024-11-17 07:27:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 1311 states have (on average 1.3996948893974066) internal successors, (1835), 1338 states have internal predecessors, (1835), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1899 transitions. [2024-11-17 07:27:35,473 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1899 transitions. Word has length 196 [2024-11-17 07:27:35,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:35,473 INFO L471 AbstractCegarLoop]: Abstraction has 1353 states and 1899 transitions. [2024-11-17 07:27:35,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:35,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1899 transitions. [2024-11-17 07:27:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 07:27:35,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:35,476 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:35,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 07:27:35,476 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:35,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1484101259, now seen corresponding path program 1 times [2024-11-17 07:27:35,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:35,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542061378] [2024-11-17 07:27:35,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:35,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:27:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 07:27:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 07:27:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:36,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542061378] [2024-11-17 07:27:36,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542061378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964864613] [2024-11-17 07:27:36,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:36,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:36,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:36,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:36,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 07:27:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:37,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 07:27:37,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:37,311 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:37,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964864613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:37,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:37,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-17 07:27:37,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557452880] [2024-11-17 07:27:37,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:37,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:27:37,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:37,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:27:37,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:27:37,314 INFO L87 Difference]: Start difference. First operand 1353 states and 1899 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:37,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:37,984 INFO L93 Difference]: Finished difference Result 2575 states and 3624 transitions. [2024-11-17 07:27:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:27:37,984 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 197 [2024-11-17 07:27:37,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:37,990 INFO L225 Difference]: With dead ends: 2575 [2024-11-17 07:27:37,990 INFO L226 Difference]: Without dead ends: 1379 [2024-11-17 07:27:37,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:27:37,993 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 17 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:37,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3641 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:37,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-17 07:27:38,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1363. [2024-11-17 07:27:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1321 states have (on average 1.3981831945495837) internal successors, (1847), 1348 states have internal predecessors, (1847), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1911 transitions. [2024-11-17 07:27:38,025 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1911 transitions. Word has length 197 [2024-11-17 07:27:38,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:38,026 INFO L471 AbstractCegarLoop]: Abstraction has 1363 states and 1911 transitions. [2024-11-17 07:27:38,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1911 transitions. [2024-11-17 07:27:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-17 07:27:38,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:38,028 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:38,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 07:27:38,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 07:27:38,229 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:38,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:38,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1343282590, now seen corresponding path program 1 times [2024-11-17 07:27:38,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:38,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184350234] [2024-11-17 07:27:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:27:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:27:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-17 07:27:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 07:27:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:27:38,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:38,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184350234] [2024-11-17 07:27:38,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184350234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:38,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:38,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:27:38,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492522596] [2024-11-17 07:27:38,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:38,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:27:38,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:38,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:27:38,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:38,741 INFO L87 Difference]: Start difference. First operand 1363 states and 1911 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:39,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:39,682 INFO L93 Difference]: Finished difference Result 2593 states and 3657 transitions. [2024-11-17 07:27:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:27:39,683 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 197 [2024-11-17 07:27:39,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:39,688 INFO L225 Difference]: With dead ends: 2593 [2024-11-17 07:27:39,689 INFO L226 Difference]: Without dead ends: 1392 [2024-11-17 07:27:39,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:27:39,691 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 26 mSDsluCounter, 4130 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 4824 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:39,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 4824 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 07:27:39,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2024-11-17 07:27:39,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1377. [2024-11-17 07:27:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1335 states have (on average 1.3970037453183521) internal successors, (1865), 1362 states have internal predecessors, (1865), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-17 07:27:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1929 transitions. [2024-11-17 07:27:39,722 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1929 transitions. Word has length 197 [2024-11-17 07:27:39,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:39,722 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1929 transitions. [2024-11-17 07:27:39,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 07:27:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1929 transitions. [2024-11-17 07:27:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-17 07:27:39,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:39,725 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:39,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 07:27:39,725 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:39,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1209832812, now seen corresponding path program 1 times [2024-11-17 07:27:39,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:39,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190589012] [2024-11-17 07:27:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:39,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:27:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 07:27:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-17 07:27:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 07:27:40,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190589012] [2024-11-17 07:27:40,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190589012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126229993] [2024-11-17 07:27:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:40,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:40,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:40,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:40,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:27:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:41,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:27:41,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:27:41,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:41,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126229993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:41,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:41,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-17 07:27:41,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950983995] [2024-11-17 07:27:41,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:41,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:27:41,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:41,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:27:41,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:27:41,291 INFO L87 Difference]: Start difference. First operand 1377 states and 1929 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:41,449 INFO L93 Difference]: Finished difference Result 2553 states and 3597 transitions. [2024-11-17 07:27:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:27:41,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 198 [2024-11-17 07:27:41,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:41,458 INFO L225 Difference]: With dead ends: 2553 [2024-11-17 07:27:41,458 INFO L226 Difference]: Without dead ends: 1380 [2024-11-17 07:27:41,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:27:41,461 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:41,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2099 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:27:41,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2024-11-17 07:27:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1380. [2024-11-17 07:27:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1337 states have (on average 1.3971578160059837) internal successors, (1868), 1365 states have internal predecessors, (1868), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-17 07:27:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1936 transitions. [2024-11-17 07:27:41,524 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1936 transitions. Word has length 198 [2024-11-17 07:27:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:41,525 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 1936 transitions. [2024-11-17 07:27:41,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1936 transitions. [2024-11-17 07:27:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-17 07:27:41,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:41,527 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:41,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:27:41,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 07:27:41,729 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:41,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1185508948, now seen corresponding path program 1 times [2024-11-17 07:27:41,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:41,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249712157] [2024-11-17 07:27:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:41,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:27:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 07:27:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-17 07:27:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:27:42,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:42,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249712157] [2024-11-17 07:27:42,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249712157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:42,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805786960] [2024-11-17 07:27:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:42,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:42,647 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:42,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:27:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:43,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 07:27:43,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 07:27:43,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:27:43,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805786960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:43,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:27:43,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2024-11-17 07:27:43,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375910157] [2024-11-17 07:27:43,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:43,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:27:43,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:43,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:27:43,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:27:43,643 INFO L87 Difference]: Start difference. First operand 1380 states and 1936 transitions. Second operand has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:44,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:44,023 INFO L93 Difference]: Finished difference Result 2480 states and 3505 transitions. [2024-11-17 07:27:44,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:27:44,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 202 [2024-11-17 07:27:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:44,030 INFO L225 Difference]: With dead ends: 2480 [2024-11-17 07:27:44,030 INFO L226 Difference]: Without dead ends: 1402 [2024-11-17 07:27:44,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:27:44,033 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 25 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:44,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3867 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:27:44,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-11-17 07:27:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1394. [2024-11-17 07:27:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1351 states have (on average 1.3945225758697262) internal successors, (1884), 1379 states have internal predecessors, (1884), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-17 07:27:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1952 transitions. [2024-11-17 07:27:44,062 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1952 transitions. Word has length 202 [2024-11-17 07:27:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:44,063 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1952 transitions. [2024-11-17 07:27:44,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1952 transitions. [2024-11-17 07:27:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-17 07:27:44,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:44,065 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:44,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 07:27:44,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:44,267 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:44,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash -777766412, now seen corresponding path program 1 times [2024-11-17 07:27:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343543275] [2024-11-17 07:27:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:27:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 07:27:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 07:27:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 07:27:44,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:44,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343543275] [2024-11-17 07:27:44,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343543275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:44,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:44,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:27:44,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323960703] [2024-11-17 07:27:44,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:44,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:44,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:44,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:44,886 INFO L87 Difference]: Start difference. First operand 1394 states and 1952 transitions. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:45,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:45,528 INFO L93 Difference]: Finished difference Result 2474 states and 3488 transitions. [2024-11-17 07:27:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:45,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 203 [2024-11-17 07:27:45,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:45,535 INFO L225 Difference]: With dead ends: 2474 [2024-11-17 07:27:45,535 INFO L226 Difference]: Without dead ends: 1390 [2024-11-17 07:27:45,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:27:45,537 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 19 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3747 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:45,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3747 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:27:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-11-17 07:27:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1388. [2024-11-17 07:27:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 1345 states have (on average 1.3933085501858735) internal successors, (1874), 1373 states have internal predecessors, (1874), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-17 07:27:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1942 transitions. [2024-11-17 07:27:45,566 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1942 transitions. Word has length 203 [2024-11-17 07:27:45,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:45,567 INFO L471 AbstractCegarLoop]: Abstraction has 1388 states and 1942 transitions. [2024-11-17 07:27:45,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 6 states have internal predecessors, (183), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1942 transitions. [2024-11-17 07:27:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-17 07:27:45,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:45,569 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:45,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 07:27:45,570 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:45,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:45,570 INFO L85 PathProgramCache]: Analyzing trace with hash 678321713, now seen corresponding path program 1 times [2024-11-17 07:27:45,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:45,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630234825] [2024-11-17 07:27:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:45,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:27:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 07:27:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-17 07:27:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 07:27:46,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630234825] [2024-11-17 07:27:46,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630234825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:27:46,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:27:46,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:27:46,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639395606] [2024-11-17 07:27:46,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:27:46,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:27:46,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:27:46,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:27:46,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:46,111 INFO L87 Difference]: Start difference. First operand 1388 states and 1942 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:46,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:27:46,671 INFO L93 Difference]: Finished difference Result 2473 states and 3485 transitions. [2024-11-17 07:27:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:27:46,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 204 [2024-11-17 07:27:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:27:46,677 INFO L225 Difference]: With dead ends: 2473 [2024-11-17 07:27:46,677 INFO L226 Difference]: Without dead ends: 1394 [2024-11-17 07:27:46,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:27:46,679 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 14 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3166 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:27:46,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3166 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:27:46,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2024-11-17 07:27:46,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2024-11-17 07:27:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1351 states have (on average 1.391561806069578) internal successors, (1880), 1379 states have internal predecessors, (1880), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-17 07:27:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1948 transitions. [2024-11-17 07:27:46,707 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1948 transitions. Word has length 204 [2024-11-17 07:27:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:27:46,708 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1948 transitions. [2024-11-17 07:27:46,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 6 states have internal predecessors, (184), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 07:27:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1948 transitions. [2024-11-17 07:27:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-17 07:27:46,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:27:46,710 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:27:46,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 07:27:46,711 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 07:27:46,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:27:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash 240984667, now seen corresponding path program 1 times [2024-11-17 07:27:46,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:27:46,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379576158] [2024-11-17 07:27:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:27:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:27:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:47,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:27:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:47,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-17 07:27:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 07:27:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 07:27:47,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:27:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379576158] [2024-11-17 07:27:47,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379576158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:27:47,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38846474] [2024-11-17 07:27:47,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:27:47,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:27:47,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:27:47,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:27:47,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:27:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:27:49,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-17 07:27:49,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:27:49,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 07:27:49,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-17 07:27:49,412 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-17 07:27:49,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-17 07:27:49,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-17 07:27:49,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-17 07:27:49,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-17 07:27:49,660 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 07:27:49,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-17 07:27:49,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13