./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/wc-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash b8000edc920fe8a32bdc36b56c8860a94e8d6d6bafdb81a520b0f73a8e153aaa --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 18:04:19,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 18:04:19,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 18:04:19,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 18:04:19,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 18:04:19,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 18:04:19,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 18:04:19,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 18:04:19,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 18:04:19,402 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 18:04:19,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 18:04:19,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 18:04:19,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 18:04:19,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 18:04:19,404 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 18:04:19,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 18:04:19,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 18:04:19,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 18:04:19,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 18:04:19,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 18:04:19,405 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 18:04:19,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:04:19,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 18:04:19,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 18:04:19,406 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 18:04:19,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 18:04:19,406 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 18:04:19,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 18:04:19,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 18:04:19,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 18:04:19,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 18:04:19,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 18:04:19,407 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8000edc920fe8a32bdc36b56c8860a94e8d6d6bafdb81a520b0f73a8e153aaa [2025-02-06 18:04:19,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 18:04:19,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 18:04:19,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 18:04:19,677 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 18:04:19,677 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 18:04:19,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2025-02-06 18:04:21,157 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437392f7a/c1f9c4edffad4bf2b5de99e0ba6c2b1d/FLAGa09aca260 [2025-02-06 18:04:21,725 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 18:04:21,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2025-02-06 18:04:21,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437392f7a/c1f9c4edffad4bf2b5de99e0ba6c2b1d/FLAGa09aca260 [2025-02-06 18:04:21,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437392f7a/c1f9c4edffad4bf2b5de99e0ba6c2b1d [2025-02-06 18:04:21,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 18:04:21,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 18:04:21,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 18:04:21,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 18:04:21,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 18:04:21,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:04:21" (1/1) ... [2025-02-06 18:04:21,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787418e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:21, skipping insertion in model container [2025-02-06 18:04:21,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:04:21" (1/1) ... [2025-02-06 18:04:21,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 18:04:22,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:04:22,666 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 18:04:22,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 18:04:23,026 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-02-06 18:04:23,033 INFO L204 MainTranslator]: Completed translation [2025-02-06 18:04:23,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23 WrapperNode [2025-02-06 18:04:23,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 18:04:23,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 18:04:23,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 18:04:23,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 18:04:23,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,185 INFO L138 Inliner]: procedures = 577, calls = 807, calls flagged for inlining = 31, calls inlined = 29, statements flattened = 2169 [2025-02-06 18:04:23,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 18:04:23,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 18:04:23,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 18:04:23,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 18:04:23,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,213 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,221 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 18:04:23,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,261 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 18:04:23,324 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 18:04:23,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 18:04:23,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 18:04:23,326 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (1/1) ... [2025-02-06 18:04:23,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 18:04:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:23,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 18:04:23,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 18:04:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 18:04:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-02-06 18:04:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-02-06 18:04:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 18:04:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-02-06 18:04:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-02-06 18:04:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2025-02-06 18:04:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2025-02-06 18:04:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-02-06 18:04:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 18:04:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-02-06 18:04:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-02-06 18:04:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 18:04:23,759 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 18:04:23,761 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 18:04:29,227 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2911: call ULTIMATE.dealloc(__main_~#counts~0#1.base, __main_~#counts~0#1.offset);havoc __main_~#counts~0#1.base, __main_~#counts~0#1.offset;call ULTIMATE.dealloc(__main_~#totals~0#1.base, __main_~#totals~0#1.offset);havoc __main_~#totals~0#1.base, __main_~#totals~0#1.offset; [2025-02-06 18:04:29,227 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3215: havoc getopt_long_#t~ret291#1; [2025-02-06 18:04:29,227 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2962: havoc __main_~return_value_ferror$2~0#1; [2025-02-06 18:04:29,227 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3164: havoc _IO_getc_#t~nondet262#1; [2025-02-06 18:04:29,227 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2375: havoc fclose_if_not_stdin_#t~bitwise74#1; [2025-02-06 18:04:29,228 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2444: call ULTIMATE.dealloc(getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset);havoc getopt32_~#complementary~0#1.base, getopt32_~#complementary~0#1.offset; [2025-02-06 18:04:29,455 INFO L? ?]: Removed 645 outVars from TransFormulas that were not future-live. [2025-02-06 18:04:29,458 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 18:04:29,523 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 18:04:29,524 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 18:04:29,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:04:29 BoogieIcfgContainer [2025-02-06 18:04:29,524 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 18:04:29,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 18:04:29,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 18:04:29,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 18:04:29,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:04:21" (1/3) ... [2025-02-06 18:04:29,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42666849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:04:29, skipping insertion in model container [2025-02-06 18:04:29,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:04:23" (2/3) ... [2025-02-06 18:04:29,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42666849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:04:29, skipping insertion in model container [2025-02-06 18:04:29,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:04:29" (3/3) ... [2025-02-06 18:04:29,534 INFO L128 eAbstractionObserver]: Analyzing ICFG wc-2.i [2025-02-06 18:04:29,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 18:04:29,553 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG wc-2.i that has 8 procedures, 576 locations, 1 initial locations, 33 loop locations, and 66 error locations. [2025-02-06 18:04:29,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 18:04:29,623 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;@2adb0eea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 18:04:29,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2025-02-06 18:04:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 576 states, 480 states have (on average 1.6479166666666667) internal successors, (791), 548 states have internal predecessors, (791), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 18:04:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 18:04:29,633 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:29,633 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 18:04:29,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:29,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash 30351999, now seen corresponding path program 1 times [2025-02-06 18:04:29,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:29,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752857929] [2025-02-06 18:04:29,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:30,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 18:04:30,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 18:04:30,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:30,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:30,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:30,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752857929] [2025-02-06 18:04:30,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752857929] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:30,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:30,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:30,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873107465] [2025-02-06 18:04:30,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:30,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:30,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:30,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:30,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:30,829 INFO L87 Difference]: Start difference. First operand has 576 states, 480 states have (on average 1.6479166666666667) internal successors, (791), 548 states have internal predecessors, (791), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:04:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:31,063 INFO L93 Difference]: Finished difference Result 1055 states and 1560 transitions. [2025-02-06 18:04:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:31,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-02-06 18:04:31,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:31,073 INFO L225 Difference]: With dead ends: 1055 [2025-02-06 18:04:31,074 INFO L226 Difference]: Without dead ends: 482 [2025-02-06 18:04:31,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:31,080 INFO L435 NwaCegarLoop]: 650 mSDtfsCounter, 1 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:31,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1296 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:31,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-02-06 18:04:31,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2025-02-06 18:04:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 413 states have (on average 1.569007263922518) internal successors, (648), 462 states have internal predecessors, (648), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 679 transitions. [2025-02-06 18:04:31,183 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 679 transitions. Word has length 4 [2025-02-06 18:04:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:31,184 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 679 transitions. [2025-02-06 18:04:31,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:04:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 679 transitions. [2025-02-06 18:04:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 18:04:31,185 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:31,185 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-06 18:04:31,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 18:04:31,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:31,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:31,187 INFO L85 PathProgramCache]: Analyzing trace with hash -2020783561, now seen corresponding path program 1 times [2025-02-06 18:04:31,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:31,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183041070] [2025-02-06 18:04:31,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:31,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:31,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:04:31,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:04:31,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:31,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:31,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:31,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183041070] [2025-02-06 18:04:31,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183041070] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:31,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289580056] [2025-02-06 18:04:31,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:31,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:31,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:31,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:31,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 18:04:32,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 18:04:32,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 18:04:32,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:32,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:32,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:04:32,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:32,728 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:04:32,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289580056] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:32,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:04:32,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 18:04:32,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281746006] [2025-02-06 18:04:32,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:32,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:04:32,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:32,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:04:32,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:32,730 INFO L87 Difference]: Start difference. First operand 482 states and 679 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:04:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:32,850 INFO L93 Difference]: Finished difference Result 482 states and 679 transitions. [2025-02-06 18:04:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:04:32,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 18:04:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:32,854 INFO L225 Difference]: With dead ends: 482 [2025-02-06 18:04:32,854 INFO L226 Difference]: Without dead ends: 481 [2025-02-06 18:04:32,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:32,855 INFO L435 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:32,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1289 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-02-06 18:04:32,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2025-02-06 18:04:32,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 413 states have (on average 1.5665859564164648) internal successors, (647), 461 states have internal predecessors, (647), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 678 transitions. [2025-02-06 18:04:32,869 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 678 transitions. Word has length 7 [2025-02-06 18:04:32,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:32,869 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 678 transitions. [2025-02-06 18:04:32,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 18:04:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 678 transitions. [2025-02-06 18:04:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 18:04:32,869 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:32,870 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-02-06 18:04:32,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 18:04:33,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:33,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:33,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:33,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1780219969, now seen corresponding path program 1 times [2025-02-06 18:04:33,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:33,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261949992] [2025-02-06 18:04:33,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:33,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:33,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 18:04:33,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 18:04:33,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:33,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:04:33,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261949992] [2025-02-06 18:04:33,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261949992] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:33,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:33,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:33,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120050258] [2025-02-06 18:04:33,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:33,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:33,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:33,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:33,549 INFO L87 Difference]: Start difference. First operand 481 states and 678 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) [2025-02-06 18:04:33,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:33,650 INFO L93 Difference]: Finished difference Result 481 states and 678 transitions. [2025-02-06 18:04:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:33,651 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 [2025-02-06 18:04:33,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:33,653 INFO L225 Difference]: With dead ends: 481 [2025-02-06 18:04:33,653 INFO L226 Difference]: Without dead ends: 480 [2025-02-06 18:04:33,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:33,654 INFO L435 NwaCegarLoop]: 646 mSDtfsCounter, 0 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:33,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1290 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:33,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2025-02-06 18:04:33,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2025-02-06 18:04:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 411 states have (on average 1.5669099756690998) internal successors, (644), 458 states have internal predecessors, (644), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 675 transitions. [2025-02-06 18:04:33,667 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 675 transitions. Word has length 8 [2025-02-06 18:04:33,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:33,667 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 675 transitions. [2025-02-06 18:04:33,667 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) [2025-02-06 18:04:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 675 transitions. [2025-02-06 18:04:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 18:04:33,668 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:33,668 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:33,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 18:04:33,668 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:33,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:33,668 INFO L85 PathProgramCache]: Analyzing trace with hash 367223285, now seen corresponding path program 1 times [2025-02-06 18:04:33,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:33,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830178274] [2025-02-06 18:04:33,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:33,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:33,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 18:04:33,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 18:04:33,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:33,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:34,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:34,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830178274] [2025-02-06 18:04:34,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830178274] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:34,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664408129] [2025-02-06 18:04:34,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:34,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:34,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:34,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:34,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 18:04:34,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 18:04:35,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 18:04:35,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:35,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:35,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 1552 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 18:04:35,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 18:04:35,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:04:35,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664408129] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:35,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:04:35,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-06 18:04:35,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202914553] [2025-02-06 18:04:35,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:35,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:35,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:35,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:35,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:35,193 INFO L87 Difference]: Start difference. First operand 478 states and 675 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:35,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:35,295 INFO L93 Difference]: Finished difference Result 478 states and 675 transitions. [2025-02-06 18:04:35,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:35,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-02-06 18:04:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:35,299 INFO L225 Difference]: With dead ends: 478 [2025-02-06 18:04:35,299 INFO L226 Difference]: Without dead ends: 476 [2025-02-06 18:04:35,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:35,301 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 595 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:35,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 700 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:35,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-02-06 18:04:35,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2025-02-06 18:04:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 411 states have (on average 1.562043795620438) internal successors, (642), 456 states have internal predecessors, (642), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 673 transitions. [2025-02-06 18:04:35,322 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 673 transitions. Word has length 12 [2025-02-06 18:04:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:35,323 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 673 transitions. [2025-02-06 18:04:35,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 673 transitions. [2025-02-06 18:04:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 18:04:35,324 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:35,324 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:35,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 18:04:35,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:35,531 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:35,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:35,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1500979139, now seen corresponding path program 1 times [2025-02-06 18:04:35,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:35,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101971536] [2025-02-06 18:04:35,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:35,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:35,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 18:04:36,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 18:04:36,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:36,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:36,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:36,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101971536] [2025-02-06 18:04:36,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101971536] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:36,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808413499] [2025-02-06 18:04:36,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:36,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:36,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:36,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:36,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 18:04:36,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 18:04:37,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 18:04:37,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:37,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:37,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:04:37,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:37,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:04:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 18:04:37,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808413499] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:04:37,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:04:37,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 18:04:37,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351196476] [2025-02-06 18:04:37,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:04:37,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:04:37,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:37,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:04:37,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:04:37,141 INFO L87 Difference]: Start difference. First operand 476 states and 673 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:04:37,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:37,304 INFO L93 Difference]: Finished difference Result 955 states and 1351 transitions. [2025-02-06 18:04:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:04:37,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2025-02-06 18:04:37,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:37,307 INFO L225 Difference]: With dead ends: 955 [2025-02-06 18:04:37,307 INFO L226 Difference]: Without dead ends: 485 [2025-02-06 18:04:37,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:04:37,309 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 4 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:37,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1928 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-02-06 18:04:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2025-02-06 18:04:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 420 states have (on average 1.55) internal successors, (651), 465 states have internal predecessors, (651), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 682 transitions. [2025-02-06 18:04:37,327 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 682 transitions. Word has length 13 [2025-02-06 18:04:37,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:37,327 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 682 transitions. [2025-02-06 18:04:37,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:04:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 682 transitions. [2025-02-06 18:04:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 18:04:37,328 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:37,328 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:37,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 18:04:37,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:37,532 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:37,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:37,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1734431611, now seen corresponding path program 2 times [2025-02-06 18:04:37,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:37,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501557316] [2025-02-06 18:04:37,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:04:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:37,894 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-02-06 18:04:37,997 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-02-06 18:04:37,998 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:04:37,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:04:38,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:38,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501557316] [2025-02-06 18:04:38,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501557316] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:38,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:38,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:04:38,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212509338] [2025-02-06 18:04:38,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:38,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:04:38,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:38,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:04:38,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:38,764 INFO L87 Difference]: Start difference. First operand 485 states and 682 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:39,239 INFO L93 Difference]: Finished difference Result 485 states and 682 transitions. [2025-02-06 18:04:39,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:04:39,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2025-02-06 18:04:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:39,243 INFO L225 Difference]: With dead ends: 485 [2025-02-06 18:04:39,243 INFO L226 Difference]: Without dead ends: 483 [2025-02-06 18:04:39,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:39,248 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 594 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:39,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 1961 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:04:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-02-06 18:04:39,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2025-02-06 18:04:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 420 states have (on average 1.5452380952380953) internal successors, (649), 463 states have internal predecessors, (649), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 680 transitions. [2025-02-06 18:04:39,284 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 680 transitions. Word has length 22 [2025-02-06 18:04:39,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:39,284 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 680 transitions. [2025-02-06 18:04:39,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 680 transitions. [2025-02-06 18:04:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 18:04:39,285 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:39,285 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:39,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 18:04:39,290 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:39,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:39,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1300199160, now seen corresponding path program 1 times [2025-02-06 18:04:39,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:39,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561371360] [2025-02-06 18:04:39,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:39,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 18:04:40,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 18:04:40,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:40,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:04:40,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:40,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561371360] [2025-02-06 18:04:40,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561371360] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:40,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:40,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:04:40,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442417300] [2025-02-06 18:04:40,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:40,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:40,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:40,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:40,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:40,340 INFO L87 Difference]: Start difference. First operand 483 states and 680 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:40,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:40,480 INFO L93 Difference]: Finished difference Result 949 states and 1344 transitions. [2025-02-06 18:04:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:40,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-02-06 18:04:40,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:40,483 INFO L225 Difference]: With dead ends: 949 [2025-02-06 18:04:40,484 INFO L226 Difference]: Without dead ends: 486 [2025-02-06 18:04:40,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:40,486 INFO L435 NwaCegarLoop]: 642 mSDtfsCounter, 2 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:40,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1279 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-02-06 18:04:40,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2025-02-06 18:04:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 423 states have (on average 1.541371158392435) internal successors, (652), 466 states have internal predecessors, (652), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 683 transitions. [2025-02-06 18:04:40,505 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 683 transitions. Word has length 27 [2025-02-06 18:04:40,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:40,506 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 683 transitions. [2025-02-06 18:04:40,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:40,506 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 683 transitions. [2025-02-06 18:04:40,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 18:04:40,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:40,507 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:40,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 18:04:40,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:40,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:40,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1756158910, now seen corresponding path program 1 times [2025-02-06 18:04:40,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:40,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215698897] [2025-02-06 18:04:40,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:40,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 18:04:40,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 18:04:40,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:40,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:04:41,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:41,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215698897] [2025-02-06 18:04:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215698897] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:41,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369068718] [2025-02-06 18:04:41,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:41,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:41,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:41,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:41,085 INFO L87 Difference]: Start difference. First operand 486 states and 683 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:41,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:41,248 INFO L93 Difference]: Finished difference Result 785 states and 1122 transitions. [2025-02-06 18:04:41,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:41,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-02-06 18:04:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:41,252 INFO L225 Difference]: With dead ends: 785 [2025-02-06 18:04:41,252 INFO L226 Difference]: Without dead ends: 783 [2025-02-06 18:04:41,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:41,254 INFO L435 NwaCegarLoop]: 637 mSDtfsCounter, 413 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:41,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 1266 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:41,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2025-02-06 18:04:41,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 490. [2025-02-06 18:04:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 427 states have (on average 1.5386416861826697) internal successors, (657), 470 states have internal predecessors, (657), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 688 transitions. [2025-02-06 18:04:41,276 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 688 transitions. Word has length 30 [2025-02-06 18:04:41,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:41,276 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 688 transitions. [2025-02-06 18:04:41,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 688 transitions. [2025-02-06 18:04:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 18:04:41,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:41,278 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:41,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 18:04:41,279 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:41,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:41,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2082531262, now seen corresponding path program 1 times [2025-02-06 18:04:41,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:41,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854193752] [2025-02-06 18:04:41,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:41,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 18:04:41,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 18:04:41,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:41,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-06 18:04:41,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:41,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854193752] [2025-02-06 18:04:41,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854193752] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:41,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:41,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:41,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87390263] [2025-02-06 18:04:41,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:41,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:41,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:41,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:41,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:41,936 INFO L87 Difference]: Start difference. First operand 490 states and 688 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:42,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:42,090 INFO L93 Difference]: Finished difference Result 503 states and 703 transitions. [2025-02-06 18:04:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:42,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-02-06 18:04:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:42,093 INFO L225 Difference]: With dead ends: 503 [2025-02-06 18:04:42,094 INFO L226 Difference]: Without dead ends: 501 [2025-02-06 18:04:42,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:42,094 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 3 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:42,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1276 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:42,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-02-06 18:04:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 499. [2025-02-06 18:04:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 436 states have (on average 1.536697247706422) internal successors, (670), 479 states have internal predecessors, (670), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 701 transitions. [2025-02-06 18:04:42,110 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 701 transitions. Word has length 30 [2025-02-06 18:04:42,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:42,110 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 701 transitions. [2025-02-06 18:04:42,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 701 transitions. [2025-02-06 18:04:42,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 18:04:42,111 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:42,111 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:42,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 18:04:42,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:42,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:42,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2082531422, now seen corresponding path program 1 times [2025-02-06 18:04:42,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:42,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904783717] [2025-02-06 18:04:42,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:42,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 18:04:42,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 18:04:42,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:42,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 18:04:42,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:42,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904783717] [2025-02-06 18:04:42,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904783717] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:42,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442094495] [2025-02-06 18:04:42,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:42,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:42,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:42,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 18:04:43,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 18:04:43,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 18:04:43,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:43,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:43,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 18:04:43,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:04:43,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:04:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 18:04:43,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442094495] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:04:43,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:04:43,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2025-02-06 18:04:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263428571] [2025-02-06 18:04:43,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:04:43,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 18:04:43,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:43,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 18:04:43,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:04:43,814 INFO L87 Difference]: Start difference. First operand 499 states and 701 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 18:04:44,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:44,160 INFO L93 Difference]: Finished difference Result 1000 states and 1410 transitions. [2025-02-06 18:04:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 18:04:44,161 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2025-02-06 18:04:44,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:44,164 INFO L225 Difference]: With dead ends: 1000 [2025-02-06 18:04:44,164 INFO L226 Difference]: Without dead ends: 516 [2025-02-06 18:04:44,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 18:04:44,165 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 5 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4440 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:44,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4440 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 18:04:44,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2025-02-06 18:04:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2025-02-06 18:04:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 454 states have (on average 1.5110132158590308) internal successors, (686), 496 states have internal predecessors, (686), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 717 transitions. [2025-02-06 18:04:44,182 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 717 transitions. Word has length 30 [2025-02-06 18:04:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:44,182 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 717 transitions. [2025-02-06 18:04:44,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 18:04:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 717 transitions. [2025-02-06 18:04:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 18:04:44,183 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:44,183 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:44,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 18:04:44,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-06 18:04:44,384 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:44,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:44,385 INFO L85 PathProgramCache]: Analyzing trace with hash -770230294, now seen corresponding path program 1 times [2025-02-06 18:04:44,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:44,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858641480] [2025-02-06 18:04:44,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:44,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:44,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 18:04:44,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 18:04:44,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:44,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-06 18:04:44,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:44,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858641480] [2025-02-06 18:04:44,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858641480] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:44,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:44,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:44,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132939136] [2025-02-06 18:04:44,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:44,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:44,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:44,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:44,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:44,910 INFO L87 Difference]: Start difference. First operand 516 states and 717 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:45,000 INFO L93 Difference]: Finished difference Result 516 states and 717 transitions. [2025-02-06 18:04:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:45,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-02-06 18:04:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:45,003 INFO L225 Difference]: With dead ends: 516 [2025-02-06 18:04:45,004 INFO L226 Difference]: Without dead ends: 515 [2025-02-06 18:04:45,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:45,005 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 0 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:45,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1277 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:45,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-02-06 18:04:45,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 511. [2025-02-06 18:04:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 450 states have (on average 1.511111111111111) internal successors, (680), 491 states have internal predecessors, (680), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 711 transitions. [2025-02-06 18:04:45,019 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 711 transitions. Word has length 49 [2025-02-06 18:04:45,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:45,019 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 711 transitions. [2025-02-06 18:04:45,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 711 transitions. [2025-02-06 18:04:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 18:04:45,020 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:45,020 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:45,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 18:04:45,020 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:45,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:45,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1869723454, now seen corresponding path program 1 times [2025-02-06 18:04:45,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:45,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733627000] [2025-02-06 18:04:45,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:45,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 18:04:45,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 18:04:45,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:45,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:45,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733627000] [2025-02-06 18:04:45,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733627000] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087221751] [2025-02-06 18:04:45,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:45,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:45,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:45,582 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:45,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 18:04:46,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 18:04:46,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 18:04:46,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:46,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:46,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:04:46,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:46,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 18:04:46,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087221751] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:46,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 18:04:46,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 18:04:46,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965028724] [2025-02-06 18:04:46,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:46,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:04:46,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:46,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:04:46,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:46,644 INFO L87 Difference]: Start difference. First operand 511 states and 711 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:46,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:46,869 INFO L93 Difference]: Finished difference Result 808 states and 1148 transitions. [2025-02-06 18:04:46,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:04:46,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2025-02-06 18:04:46,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:46,873 INFO L225 Difference]: With dead ends: 808 [2025-02-06 18:04:46,873 INFO L226 Difference]: Without dead ends: 807 [2025-02-06 18:04:46,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:46,876 INFO L435 NwaCegarLoop]: 1042 mSDtfsCounter, 825 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:46,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1915 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:04:46,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2025-02-06 18:04:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 510. [2025-02-06 18:04:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 450 states have (on average 1.508888888888889) internal successors, (679), 490 states have internal predecessors, (679), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:46,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 710 transitions. [2025-02-06 18:04:46,890 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 710 transitions. Word has length 52 [2025-02-06 18:04:46,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:46,891 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 710 transitions. [2025-02-06 18:04:46,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 710 transitions. [2025-02-06 18:04:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 18:04:46,892 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:46,892 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:46,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 18:04:47,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 18:04:47,093 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:47,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:47,093 INFO L85 PathProgramCache]: Analyzing trace with hash -2126851370, now seen corresponding path program 1 times [2025-02-06 18:04:47,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:47,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609197278] [2025-02-06 18:04:47,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:47,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:47,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 18:04:47,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 18:04:47,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:47,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:47,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:47,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609197278] [2025-02-06 18:04:47,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609197278] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:47,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073674542] [2025-02-06 18:04:47,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:47,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:47,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 18:04:48,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 18:04:48,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 18:04:48,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:48,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:48,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 1884 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:04:48,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:48,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:04:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073674542] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:04:48,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:04:48,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 18:04:48,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190535385] [2025-02-06 18:04:48,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:04:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:04:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:48,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:04:48,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:04:48,537 INFO L87 Difference]: Start difference. First operand 510 states and 710 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:48,999 INFO L93 Difference]: Finished difference Result 1695 states and 2456 transitions. [2025-02-06 18:04:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:04:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-02-06 18:04:49,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:49,007 INFO L225 Difference]: With dead ends: 1695 [2025-02-06 18:04:49,007 INFO L226 Difference]: Without dead ends: 1694 [2025-02-06 18:04:49,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:04:49,010 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 2826 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:49,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 3091 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 18:04:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2025-02-06 18:04:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 522. [2025-02-06 18:04:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 462 states have (on average 1.5021645021645023) internal successors, (694), 502 states have internal predecessors, (694), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 725 transitions. [2025-02-06 18:04:49,040 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 725 transitions. Word has length 53 [2025-02-06 18:04:49,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:49,041 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 725 transitions. [2025-02-06 18:04:49,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 725 transitions. [2025-02-06 18:04:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 18:04:49,042 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:49,042 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:49,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 18:04:49,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 18:04:49,248 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:49,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:49,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1013776000, now seen corresponding path program 1 times [2025-02-06 18:04:49,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:49,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209978515] [2025-02-06 18:04:49,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:49,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 18:04:49,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 18:04:49,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:49,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-02-06 18:04:49,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209978515] [2025-02-06 18:04:49,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209978515] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446049014] [2025-02-06 18:04:49,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:49,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:49,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:49,889 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:49,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 18:04:50,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 18:04:50,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 18:04:50,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:50,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:50,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 18:04:50,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 18:04:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-02-06 18:04:50,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 18:04:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-02-06 18:04:51,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446049014] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 18:04:51,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 18:04:51,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 18:04:51,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452850908] [2025-02-06 18:04:51,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 18:04:51,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 18:04:51,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:51,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 18:04:51,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:04:51,008 INFO L87 Difference]: Start difference. First operand 522 states and 725 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:51,183 INFO L93 Difference]: Finished difference Result 1019 states and 1427 transitions. [2025-02-06 18:04:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 18:04:51,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-02-06 18:04:51,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:51,186 INFO L225 Difference]: With dead ends: 1019 [2025-02-06 18:04:51,186 INFO L226 Difference]: Without dead ends: 540 [2025-02-06 18:04:51,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 18:04:51,188 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 4 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1911 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:51,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1911 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:51,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-02-06 18:04:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2025-02-06 18:04:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 480 states have (on average 1.4833333333333334) internal successors, (712), 520 states have internal predecessors, (712), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 18:04:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 743 transitions. [2025-02-06 18:04:51,206 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 743 transitions. Word has length 55 [2025-02-06 18:04:51,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:51,206 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 743 transitions. [2025-02-06 18:04:51,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 743 transitions. [2025-02-06 18:04:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 18:04:51,208 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:51,208 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:51,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 18:04:51,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:51,409 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:51,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:51,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1993421122, now seen corresponding path program 1 times [2025-02-06 18:04:51,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:51,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063318702] [2025-02-06 18:04:51,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:51,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:51,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 18:04:51,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 18:04:51,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:51,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:51,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063318702] [2025-02-06 18:04:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063318702] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:51,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:51,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378504512] [2025-02-06 18:04:51,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:51,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:51,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:51,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:51,891 INFO L87 Difference]: Start difference. First operand 540 states and 743 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:04:52,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:52,052 INFO L93 Difference]: Finished difference Result 1056 states and 1482 transitions. [2025-02-06 18:04:52,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:52,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2025-02-06 18:04:52,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:52,055 INFO L225 Difference]: With dead ends: 1056 [2025-02-06 18:04:52,055 INFO L226 Difference]: Without dead ends: 636 [2025-02-06 18:04:52,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:52,057 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 120 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:52,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1224 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:52,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2025-02-06 18:04:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 582. [2025-02-06 18:04:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 521 states have (on average 1.4740882917466411) internal successors, (768), 561 states have internal predecessors, (768), 19 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 18:04:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 801 transitions. [2025-02-06 18:04:52,075 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 801 transitions. Word has length 62 [2025-02-06 18:04:52,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:52,076 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 801 transitions. [2025-02-06 18:04:52,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 18:04:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 801 transitions. [2025-02-06 18:04:52,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 18:04:52,077 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:52,077 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:52,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 18:04:52,077 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:52,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash -122257604, now seen corresponding path program 1 times [2025-02-06 18:04:52,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:52,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282154409] [2025-02-06 18:04:52,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:52,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:52,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 18:04:52,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 18:04:52,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:52,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-02-06 18:04:52,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:52,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282154409] [2025-02-06 18:04:52,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282154409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:52,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:52,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 18:04:52,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853096891] [2025-02-06 18:04:52,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:52,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:52,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:52,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:52,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:52,459 INFO L87 Difference]: Start difference. First operand 582 states and 801 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:04:52,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:52,537 INFO L93 Difference]: Finished difference Result 584 states and 801 transitions. [2025-02-06 18:04:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:52,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 64 [2025-02-06 18:04:52,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:52,540 INFO L225 Difference]: With dead ends: 584 [2025-02-06 18:04:52,540 INFO L226 Difference]: Without dead ends: 582 [2025-02-06 18:04:52,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:52,541 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 1 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:52,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1275 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:52,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-02-06 18:04:52,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2025-02-06 18:04:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 521 states have (on average 1.4702495201535508) internal successors, (766), 561 states have internal predecessors, (766), 19 states have call successors, (19), 7 states have call predecessors, (19), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 18:04:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 799 transitions. [2025-02-06 18:04:52,558 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 799 transitions. Word has length 64 [2025-02-06 18:04:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:52,558 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 799 transitions. [2025-02-06 18:04:52,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 18:04:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 799 transitions. [2025-02-06 18:04:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 18:04:52,558 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:52,558 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:52,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 18:04:52,558 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:52,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:52,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1492682314, now seen corresponding path program 2 times [2025-02-06 18:04:52,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:52,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880949782] [2025-02-06 18:04:52,559 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:04:52,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:53,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-02-06 18:04:53,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 65 statements. [2025-02-06 18:04:53,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 18:04:53,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-02-06 18:04:53,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:53,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880949782] [2025-02-06 18:04:53,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880949782] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:53,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:53,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 18:04:53,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988258122] [2025-02-06 18:04:53,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:53,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 18:04:53,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:53,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 18:04:53,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:53,243 INFO L87 Difference]: Start difference. First operand 582 states and 799 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:53,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:53,323 INFO L93 Difference]: Finished difference Result 1077 states and 1493 transitions. [2025-02-06 18:04:53,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 18:04:53,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2025-02-06 18:04:53,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:53,326 INFO L225 Difference]: With dead ends: 1077 [2025-02-06 18:04:53,326 INFO L226 Difference]: Without dead ends: 586 [2025-02-06 18:04:53,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 18:04:53,327 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 27 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:53,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1241 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 18:04:53,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2025-02-06 18:04:53,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2025-02-06 18:04:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 524 states have (on average 1.465648854961832) internal successors, (768), 564 states have internal predecessors, (768), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 18:04:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 801 transitions. [2025-02-06 18:04:53,343 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 801 transitions. Word has length 65 [2025-02-06 18:04:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:53,343 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 801 transitions. [2025-02-06 18:04:53,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 801 transitions. [2025-02-06 18:04:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 18:04:53,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:53,345 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 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] [2025-02-06 18:04:53,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 18:04:53,345 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:53,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:53,345 INFO L85 PathProgramCache]: Analyzing trace with hash 33761343, now seen corresponding path program 1 times [2025-02-06 18:04:53,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:53,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415398296] [2025-02-06 18:04:53,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:53,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 18:04:53,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 18:04:53,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:53,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-02-06 18:04:53,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:53,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415398296] [2025-02-06 18:04:53,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415398296] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:53,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:53,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 18:04:53,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890203854] [2025-02-06 18:04:53,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:53,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 18:04:53,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:53,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 18:04:53,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:04:53,983 INFO L87 Difference]: Start difference. First operand 586 states and 801 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:54,179 INFO L93 Difference]: Finished difference Result 1092 states and 1515 transitions. [2025-02-06 18:04:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 18:04:54,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2025-02-06 18:04:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:54,189 INFO L225 Difference]: With dead ends: 1092 [2025-02-06 18:04:54,189 INFO L226 Difference]: Without dead ends: 588 [2025-02-06 18:04:54,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 18:04:54,191 INFO L435 NwaCegarLoop]: 639 mSDtfsCounter, 0 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:54,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1903 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:04:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-02-06 18:04:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2025-02-06 18:04:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 526 states have (on average 1.4638783269961977) internal successors, (770), 566 states have internal predecessors, (770), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 18:04:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 803 transitions. [2025-02-06 18:04:54,210 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 803 transitions. Word has length 73 [2025-02-06 18:04:54,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:54,210 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 803 transitions. [2025-02-06 18:04:54,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 803 transitions. [2025-02-06 18:04:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 18:04:54,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:54,213 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 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] [2025-02-06 18:04:54,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 18:04:54,214 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:54,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:54,214 INFO L85 PathProgramCache]: Analyzing trace with hash 726863040, now seen corresponding path program 1 times [2025-02-06 18:04:54,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:54,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946017033] [2025-02-06 18:04:54,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 18:04:54,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:54,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 18:04:54,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 18:04:54,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 18:04:54,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-02-06 18:04:54,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:54,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946017033] [2025-02-06 18:04:54,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946017033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 18:04:54,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 18:04:54,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 18:04:54,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479885123] [2025-02-06 18:04:54,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 18:04:54,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 18:04:54,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 18:04:54,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 18:04:54,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:54,897 INFO L87 Difference]: Start difference. First operand 588 states and 803 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 18:04:55,099 INFO L93 Difference]: Finished difference Result 1097 states and 1522 transitions. [2025-02-06 18:04:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 18:04:55,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2025-02-06 18:04:55,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 18:04:55,102 INFO L225 Difference]: With dead ends: 1097 [2025-02-06 18:04:55,102 INFO L226 Difference]: Without dead ends: 591 [2025-02-06 18:04:55,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 18:04:55,105 INFO L435 NwaCegarLoop]: 637 mSDtfsCounter, 0 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 18:04:55,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2532 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 18:04:55,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2025-02-06 18:04:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2025-02-06 18:04:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 529 states have (on average 1.4593572778827977) internal successors, (772), 569 states have internal predecessors, (772), 19 states have call successors, (19), 8 states have call predecessors, (19), 7 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 18:04:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 805 transitions. [2025-02-06 18:04:55,123 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 805 transitions. Word has length 73 [2025-02-06 18:04:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 18:04:55,124 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 805 transitions. [2025-02-06 18:04:55,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 18:04:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 805 transitions. [2025-02-06 18:04:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 18:04:55,124 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 18:04:55,125 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 18:04:55,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-06 18:04:55,125 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 63 more)] === [2025-02-06 18:04:55,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 18:04:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash 267119056, now seen corresponding path program 2 times [2025-02-06 18:04:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 18:04:55,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619827875] [2025-02-06 18:04:55,126 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:04:55,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 18:04:55,502 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-02-06 18:04:55,582 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 18:04:55,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 18:04:55,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 18:04:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-02-06 18:04:55,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 18:04:55,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619827875] [2025-02-06 18:04:55,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619827875] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 18:04:55,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131463375] [2025-02-06 18:04:55,815 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 18:04:55,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 18:04:55,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 18:04:55,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 18:04:55,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 18:04:56,791 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes.