./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/float-benchs/zonotope_3.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/zonotope_3.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a7308dc5f86f1f4eda090a45a8f84359680ddfad7d17e2c5273bd494b2cbe5e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:51:30,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:51:30,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:51:30,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:51:30,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:51:30,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:51:30,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:51:30,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:51:30,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:51:30,420 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:51:30,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:51:30,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:51:30,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:51:30,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:51:30,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:51:30,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:51:30,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:51:30,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:51:30,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:51:30,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:51:30,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:51:30,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:51:30,425 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/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a7308dc5f86f1f4eda090a45a8f84359680ddfad7d17e2c5273bd494b2cbe5e [2025-03-09 01:51:30,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:51:30,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:51:30,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:51:30,628 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:51:30,628 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:51:30,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/zonotope_3.c.v+lhb-reducer.c [2025-03-09 01:51:31,725 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bd7af1c/c66bc16b5a3640598064d3afa2a78f78/FLAG8e26bc720 [2025-03-09 01:51:31,946 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:51:31,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/zonotope_3.c.v+lhb-reducer.c [2025-03-09 01:51:31,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bd7af1c/c66bc16b5a3640598064d3afa2a78f78/FLAG8e26bc720 [2025-03-09 01:51:32,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bd7af1c/c66bc16b5a3640598064d3afa2a78f78 [2025-03-09 01:51:32,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:51:32,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:51:32,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:51:32,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:51:32,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:51:32,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540ec6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32, skipping insertion in model container [2025-03-09 01:51:32,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:51:32,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:51:32,506 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:51:32,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:51:32,563 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:51:32,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32 WrapperNode [2025-03-09 01:51:32,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:51:32,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:51:32,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:51:32,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:51:32,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,600 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 634 [2025-03-09 01:51:32,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:51:32,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:51:32,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:51:32,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:51:32,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,629 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-09 01:51:32,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,635 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:51:32,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:51:32,640 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:51:32,640 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:51:32,641 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (1/1) ... [2025-03-09 01:51:32,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:51:32,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:51:32,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:51:32,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:51:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:51:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:51:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:51:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:51:32,766 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:51:32,768 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:51:33,043 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L516: havoc main_~__tmp_44~0#1, main_~g__x~21#1;havoc main_~__tmp_43~0#1, main_~f__x~21#1, main_~main____CPAchecker_TMP_1~9#1;havoc main_~__tmp_42~0#1, main_~g__x~20#1;havoc main_~__tmp_41~0#1, main_~f__x~20#1;havoc main_~main____CPAchecker_TMP_0~9#1; [2025-03-09 01:51:33,043 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L468: havoc main_~__tmp_40~0#1, main_~g__x~19#1;havoc main_~__tmp_39~0#1, main_~f__x~19#1, main_~main____CPAchecker_TMP_1~8#1;havoc main_~__tmp_38~0#1, main_~g__x~18#1;havoc main_~__tmp_37~0#1, main_~f__x~18#1;havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_36~0#1, main_~g__x~17#1;havoc main_~__tmp_35~0#1, main_~f__x~17#1, main_~main____CPAchecker_TMP_1~7#1;havoc main_~__tmp_34~0#1, main_~g__x~16#1;havoc main_~__tmp_33~0#1, main_~f__x~16#1;havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_32~0#1, main_~g__x~15#1;havoc main_~__tmp_31~0#1, main_~f__x~15#1, main_~main____CPAchecker_TMP_1~6#1;havoc main_~__tmp_30~0#1, main_~g__x~14#1;havoc main_~__tmp_29~0#1, main_~f__x~14#1;havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_28~0#1, main_~g__x~13#1;havoc main_~__tmp_27~0#1, main_~f__x~13#1, main_~main____CPAchecker_TMP_1~5#1;havoc main_~__tmp_26~0#1, main_~g__x~12#1;havoc main_~__tmp_25~0#1, main_~f__x~12#1;havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_24~0#1, main_~g__x~11#1;havoc main_~__tmp_23~0#1, main_~f__x~11#1, main_~main____CPAchecker_TMP_1~4#1;havoc main_~__tmp_22~0#1, main_~g__x~10#1;havoc main_~__tmp_21~0#1, main_~f__x~10#1;havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_20~0#1, main_~g__x~9#1;havoc main_~__tmp_19~0#1, main_~f__x~9#1, main_~main____CPAchecker_TMP_1~3#1;havoc main_~__tmp_18~0#1, main_~g__x~8#1;havoc main_~__tmp_17~0#1, main_~f__x~8#1;havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_16~0#1, main_~g__x~7#1;havoc main_~__tmp_15~0#1, main_~f__x~7#1, main_~main____CPAchecker_TMP_1~2#1;havoc main_~__tmp_14~0#1, main_~g__x~6#1;havoc main_~__tmp_13~0#1, main_~f__x~6#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_12~0#1, main_~g__x~5#1;havoc main_~__tmp_11~0#1, main_~f__x~5#1, main_~main____CPAchecker_TMP_1~1#1;havoc main_~__tmp_10~0#1, main_~g__x~4#1;havoc main_~__tmp_9~0#1, main_~f__x~4#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_8~0#1, main_~g__x~3#1;havoc main_~__tmp_7~0#1, main_~f__x~3#1, main_~main____CPAchecker_TMP_1~0#1;havoc main_~__tmp_6~0#1, main_~g__x~2#1;havoc main_~__tmp_5~0#1, main_~f__x~2#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_4~0#1, main_~g__x~1#1;havoc main_~__tmp_3~0#1, main_~f__x~1#1;havoc main_~__tmp_2~0#1, main_~g__x~0#1;havoc main_~__tmp_1~0#1, main_~f__x~0#1; [2025-03-09 01:51:33,043 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L560: havoc main_~__tmp_45~0#1, main_~__VERIFIER_assert__cond~0#1;havoc main_~main____CPAchecker_TMP_2~0#1; [2025-03-09 01:51:33,060 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2025-03-09 01:51:33,060 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:51:33,069 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:51:33,069 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:51:33,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:51:33 BoogieIcfgContainer [2025-03-09 01:51:33,070 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:51:33,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:51:33,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:51:33,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:51:33,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:51:32" (1/3) ... [2025-03-09 01:51:33,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cff24f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:51:33, skipping insertion in model container [2025-03-09 01:51:33,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:51:32" (2/3) ... [2025-03-09 01:51:33,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cff24f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:51:33, skipping insertion in model container [2025-03-09 01:51:33,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:51:33" (3/3) ... [2025-03-09 01:51:33,078 INFO L128 eAbstractionObserver]: Analyzing ICFG zonotope_3.c.v+lhb-reducer.c [2025-03-09 01:51:33,087 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:51:33,089 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG zonotope_3.c.v+lhb-reducer.c that has 1 procedures, 93 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2025-03-09 01:51:33,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:51:33,129 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;@b844491, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:51:33,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-09 01:51:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.875) internal successors, (135), 92 states have internal predecessors, (135), 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) [2025-03-09 01:51:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:51:33,135 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:51:33,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:51:33,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 01:51:33,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:51:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1605050257, now seen corresponding path program 1 times [2025-03-09 01:51:33,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:51:33,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996349334] [2025-03-09 01:51:33,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:51:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:51:33,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:51:33,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:51:33,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:51:33,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:51:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:51:33,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:51:33,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996349334] [2025-03-09 01:51:33,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996349334] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:51:33,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:51:33,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:51:33,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855946142] [2025-03-09 01:51:33,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:51:33,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:51:33,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:51:33,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:51:33,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:51:33,326 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.875) internal successors, (135), 92 states have internal predecessors, (135), 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) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2025-03-09 01:51:33,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:51:33,396 INFO L93 Difference]: Finished difference Result 97 states and 138 transitions. [2025-03-09 01:51:33,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:51:33,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2025-03-09 01:51:33,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:51:33,402 INFO L225 Difference]: With dead ends: 97 [2025-03-09 01:51:33,402 INFO L226 Difference]: Without dead ends: 82 [2025-03-09 01:51:33,404 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 [2025-03-09 01:51:33,405 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 4 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 192 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 [2025-03-09 01:51:33,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 192 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:51:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-03-09 01:51:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2025-03-09 01:51:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 64 states have (on average 1.3125) internal successors, (84), 81 states have internal predecessors, (84), 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) [2025-03-09 01:51:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2025-03-09 01:51:33,429 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 7 [2025-03-09 01:51:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:51:33,429 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2025-03-09 01:51:33,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2025-03-09 01:51:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2025-03-09 01:51:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 01:51:33,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:51:33,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:51:33,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:51:33,430 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 01:51:33,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:51:33,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1203051610, now seen corresponding path program 1 times [2025-03-09 01:51:33,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:51:33,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750724681] [2025-03-09 01:51:33,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:51:33,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:51:33,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 01:51:33,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 01:51:33,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:51:33,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:51:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:51:33,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:51:33,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750724681] [2025-03-09 01:51:33,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750724681] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:51:33,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:51:33,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:51:33,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338481754] [2025-03-09 01:51:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:51:33,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:51:33,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:51:33,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:51:33,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:51:33,545 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-03-09 01:51:33,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:51:33,617 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2025-03-09 01:51:33,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:51:33,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2025-03-09 01:51:33,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:51:33,618 INFO L225 Difference]: With dead ends: 82 [2025-03-09 01:51:33,618 INFO L226 Difference]: Without dead ends: 73 [2025-03-09 01:51:33,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:51:33,619 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 45 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:51:33,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 72 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:51:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-03-09 01:51:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-03-09 01:51:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 64 states have (on average 1.171875) internal successors, (75), 72 states have internal predecessors, (75), 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) [2025-03-09 01:51:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2025-03-09 01:51:33,624 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 13 [2025-03-09 01:51:33,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:51:33,624 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2025-03-09 01:51:33,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-03-09 01:51:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2025-03-09 01:51:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 01:51:33,624 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:51:33,624 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:51:33,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:51:33,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-09 01:51:33,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:51:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1360105907, now seen corresponding path program 1 times [2025-03-09 01:51:33,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:51:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688423425] [2025-03-09 01:51:33,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:51:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:51:33,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 01:51:33,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 01:51:33,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:51:33,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:51:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:51:33,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:51:33,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688423425] [2025-03-09 01:51:33,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688423425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:51:33,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:51:33,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:51:33,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318076415] [2025-03-09 01:51:33,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:51:33,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:51:33,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:51:33,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:51:33,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:51:33,688 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-03-09 01:51:33,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:51:33,740 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2025-03-09 01:51:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:51:33,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2025-03-09 01:51:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:51:33,741 INFO L225 Difference]: With dead ends: 73 [2025-03-09 01:51:33,741 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 01:51:33,741 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 [2025-03-09 01:51:33,742 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:51:33,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 47 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:51:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 01:51:33,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 01:51:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-03-09 01:51:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 01:51:33,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2025-03-09 01:51:33,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:51:33,743 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 01:51:33,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-03-09 01:51:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 01:51:33,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 01:51:33,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-09 01:51:33,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2025-03-09 01:51:33,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-09 01:51:33,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-09 01:51:33,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:51:33,750 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-09 01:51:33,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 01:51:33,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 01:51:33,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 01:51:33 BoogieIcfgContainer [2025-03-09 01:51:33,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 01:51:33,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 01:51:33,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 01:51:33,762 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 01:51:33,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:51:33" (3/4) ... [2025-03-09 01:51:33,765 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 01:51:33,773 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-03-09 01:51:33,774 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-09 01:51:33,774 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 01:51:33,775 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 01:51:33,852 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 01:51:33,852 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 01:51:33,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 01:51:33,853 INFO L158 Benchmark]: Toolchain (without parser) took 1560.61ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 85.3MB in the end (delta: 36.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2025-03-09 01:51:33,853 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:51:33,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.33ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 104.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 01:51:33,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 101.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:51:33,854 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:51:33,854 INFO L158 Benchmark]: IcfgBuilder took 429.79ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 66.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 01:51:33,854 INFO L158 Benchmark]: TraceAbstraction took 690.14ms. Allocated memory is still 167.8MB. Free memory was 65.2MB in the beginning and 96.4MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 01:51:33,855 INFO L158 Benchmark]: Witness Printer took 90.42ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 85.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 01:51:33,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.33ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 104.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 101.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 167.8MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 429.79ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 66.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 690.14ms. Allocated memory is still 167.8MB. Free memory was 65.2MB in the beginning and 96.4MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.42ms. Allocated memory is still 167.8MB. Free memory was 96.4MB in the beginning and 85.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 524]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 524]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 476]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 476]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 434]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 434]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 392]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 392]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 308]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 308]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 224]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 224]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 182]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 182]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 140]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 140]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 135 edges, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 311 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 178 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 208 mSDtfsCounter, 178 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-09 01:51:33,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE