./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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/loop-invgen/apache-get-tag.i.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 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:59:32,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:59:32,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:59:32,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:59:32,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:59:32,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:59:32,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:59:32,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:59:32,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:59:32,412 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:59:32,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:59:32,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:59:32,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:59:32,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:59:32,413 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:59:32,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:59:32,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:59:32,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:59:32,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:59:32,415 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:59:32,415 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:59:32,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:59:32,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:59:32,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:59:32,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:59:32,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:59:32,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:59:32,416 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 -> 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 [2025-03-17 14:59:32,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:59:32,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:59:32,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:59:32,648 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:59:32,648 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:59:32,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2025-03-17 14:59:33,737 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d218735e/7be0e8be92b9410db4eda4b076b0c0d7/FLAG2c1e72c87 [2025-03-17 14:59:33,987 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:59:33,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2025-03-17 14:59:33,998 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d218735e/7be0e8be92b9410db4eda4b076b0c0d7/FLAG2c1e72c87 [2025-03-17 14:59:34,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d218735e/7be0e8be92b9410db4eda4b076b0c0d7 [2025-03-17 14:59:34,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:59:34,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:59:34,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:59:34,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:59:34,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:59:34,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656bf32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34, skipping insertion in model container [2025-03-17 14:59:34,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:59:34,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:59:34,193 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:59:34,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:59:34,236 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:59:34,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34 WrapperNode [2025-03-17 14:59:34,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:59:34,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:59:34,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:59:34,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:59:34,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,270 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 288 [2025-03-17 14:59:34,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:59:34,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:59:34,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:59:34,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:59:34,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,279 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,286 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]. [2025-03-17 14:59:34,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:59:34,300 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:59:34,300 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:59:34,300 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:59:34,300 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (1/1) ... [2025-03-17 14:59:34,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:59:34,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:34,325 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) [2025-03-17 14:59:34,327 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 [2025-03-17 14:59:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-17 14:59:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-17 14:59:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:59:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:59:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:59:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:59:34,399 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:59:34,400 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:59:34,656 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~main____CPAchecker_TMP_7~0#1;havoc main_~__tmp_10~0#1, main_~__VERIFIER_assert__cond~9#1;havoc main_~__tmp_9~0#1, main_~__VERIFIER_assert__cond~8#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L77: havoc main_~__tmp_4~0#1, main_~__VERIFIER_assert__cond~3#1;havoc main_~__tmp_3~0#1, main_~__VERIFIER_assert__cond~2#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: havoc main_~main____CPAchecker_TMP_0~0#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L302: havoc main_~__tmp_16~0#1, main_~__VERIFIER_assert__cond~15#1;havoc main_~__tmp_15~0#1, main_~__VERIFIER_assert__cond~14#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L229: havoc main_~__tmp_12~0#1, main_~__VERIFIER_assert__cond~11#1;havoc main_~__tmp_11~0#1, main_~__VERIFIER_assert__cond~10#1;havoc main_~main____CPAchecker_TMP_6~0#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L130: havoc main_~main____CPAchecker_TMP_5~0#1;havoc main_~__tmp_6~0#1, main_~__VERIFIER_assert__cond~5#1;havoc main_~__tmp_5~0#1, main_~__VERIFIER_assert__cond~4#1;havoc main_~main____CPAchecker_TMP_4~0#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L56: havoc main_~main____CPAchecker_TMP_2~0#1;havoc main_~__tmp_2~0#1, main_~__VERIFIER_assert__cond~1#1;havoc main_~__tmp_1~0#1, main_~__VERIFIER_assert__cond~0#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L147: havoc main_~__tmp_8~0#1, main_~__VERIFIER_assert__cond~7#1;havoc main_~__tmp_7~0#1, main_~__VERIFIER_assert__cond~6#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: havoc main_~main____CPAchecker_TMP_3~0#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L321: havoc main_~main____CPAchecker_TMP_0~1#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L371: havoc main_~__tmp_20~0#1, main_~__VERIFIER_assert__cond~19#1;havoc main_~__tmp_19~0#1, main_~__VERIFIER_assert__cond~18#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L338: havoc main_~__tmp_18~0#1, main_~__VERIFIER_assert__cond~17#1;havoc main_~__tmp_17~0#1, main_~__VERIFIER_assert__cond~16#1; [2025-03-17 14:59:34,657 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L282: havoc main_~main____CPAchecker_TMP_1~0#1;havoc main_~__tmp_14~0#1, main_~__VERIFIER_assert__cond~13#1;havoc main_~__tmp_13~0#1, main_~__VERIFIER_assert__cond~12#1; [2025-03-17 14:59:34,674 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-03-17 14:59:34,677 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:59:34,688 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:59:34,689 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:59:34,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:59:34 BoogieIcfgContainer [2025-03-17 14:59:34,690 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:59:34,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:59:34,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:59:34,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:59:34,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:59:34" (1/3) ... [2025-03-17 14:59:34,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f261aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:59:34, skipping insertion in model container [2025-03-17 14:59:34,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:59:34" (2/3) ... [2025-03-17 14:59:34,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f261aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:59:34, skipping insertion in model container [2025-03-17 14:59:34,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:59:34" (3/3) ... [2025-03-17 14:59:34,699 INFO L128 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2025-03-17 14:59:34,709 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:59:34,711 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG apache-get-tag.i.v+lhb-reducer.c that has 2 procedures, 97 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-03-17 14:59:34,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:59:34,758 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;@6dc476fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:59:34,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-17 14:59:34,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 67 states have (on average 1.5970149253731343) internal successors, (107), 77 states have internal predecessors, (107), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 14:59:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 14:59:34,766 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:34,767 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 14:59:34,767 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:34,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:34,772 INFO L85 PathProgramCache]: Analyzing trace with hash 227301, now seen corresponding path program 1 times [2025-03-17 14:59:34,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:34,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517489509] [2025-03-17 14:59:34,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:34,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 14:59:34,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 14:59:34,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:34,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:34,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:34,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517489509] [2025-03-17 14:59:34,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517489509] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:34,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:34,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:59:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666933809] [2025-03-17 14:59:34,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:34,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:59:34,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:34,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:59:34,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:34,902 INFO L87 Difference]: Start difference. First operand has 97 states, 67 states have (on average 1.5970149253731343) internal successors, (107), 77 states have internal predecessors, (107), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-03-17 14:59:34,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:34,958 INFO L93 Difference]: Finished difference Result 100 states and 145 transitions. [2025-03-17 14:59:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:59:34,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-03-17 14:59:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:34,964 INFO L225 Difference]: With dead ends: 100 [2025-03-17 14:59:34,965 INFO L226 Difference]: Without dead ends: 45 [2025-03-17 14:59:34,968 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 [2025-03-17 14:59:34,969 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:34,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 180 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:59:34,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-03-17 14:59:34,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-03-17 14:59:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 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) [2025-03-17 14:59:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2025-03-17 14:59:34,995 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 3 [2025-03-17 14:59:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:34,996 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2025-03-17 14:59:34,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2025-03-17 14:59:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2025-03-17 14:59:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 14:59:34,998 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:34,998 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 14:59:34,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:59:34,998 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:34,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:34,999 INFO L85 PathProgramCache]: Analyzing trace with hash 7046493, now seen corresponding path program 1 times [2025-03-17 14:59:34,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:35,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988257135] [2025-03-17 14:59:35,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:35,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 14:59:35,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 14:59:35,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:35,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988257135] [2025-03-17 14:59:35,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988257135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:35,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:35,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:59:35,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512019138] [2025-03-17 14:59:35,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:35,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:59:35,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:35,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:59:35,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:35,041 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2025-03-17 14:59:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:35,067 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2025-03-17 14:59:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:59:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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 [2025-03-17 14:59:35,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:35,068 INFO L225 Difference]: With dead ends: 45 [2025-03-17 14:59:35,069 INFO L226 Difference]: Without dead ends: 44 [2025-03-17 14:59:35,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:35,070 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:35,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 35 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:59:35,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-17 14:59:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-17 14:59:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 43 states have internal predecessors, (48), 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) [2025-03-17 14:59:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2025-03-17 14:59:35,073 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 4 [2025-03-17 14:59:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:35,073 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2025-03-17 14:59:35,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2025-03-17 14:59:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2025-03-17 14:59:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-17 14:59:35,073 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:35,073 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:35,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 14:59:35,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:35,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1330949067, now seen corresponding path program 1 times [2025-03-17 14:59:35,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:35,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594481524] [2025-03-17 14:59:35,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:35,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 14:59:35,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 14:59:35,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:35,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594481524] [2025-03-17 14:59:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594481524] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:35,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:35,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:59:35,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14195956] [2025-03-17 14:59:35,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:35,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:59:35,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:35,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:59:35,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:59:35,141 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-03-17 14:59:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:35,204 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2025-03-17 14:59:35,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:59:35,205 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), 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 10 [2025-03-17 14:59:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:35,205 INFO L225 Difference]: With dead ends: 54 [2025-03-17 14:59:35,205 INFO L226 Difference]: Without dead ends: 50 [2025-03-17 14:59:35,206 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 [2025-03-17 14:59:35,206 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:35,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:59:35,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-03-17 14:59:35,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-03-17 14:59:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 49 states have internal predecessors, (54), 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) [2025-03-17 14:59:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2025-03-17 14:59:35,211 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 10 [2025-03-17 14:59:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:35,211 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2025-03-17 14:59:35,211 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), 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) [2025-03-17 14:59:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2025-03-17 14:59:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-17 14:59:35,211 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:35,211 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:35,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 14:59:35,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:35,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1711339835, now seen corresponding path program 1 times [2025-03-17 14:59:35,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:35,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263255748] [2025-03-17 14:59:35,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:35,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 14:59:35,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 14:59:35,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:35,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263255748] [2025-03-17 14:59:35,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263255748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:35,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:35,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:59:35,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903036079] [2025-03-17 14:59:35,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:35,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:59:35,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:35,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:59:35,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:35,295 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-03-17 14:59:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:35,370 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2025-03-17 14:59:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:59:35,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2025-03-17 14:59:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:35,371 INFO L225 Difference]: With dead ends: 50 [2025-03-17 14:59:35,371 INFO L226 Difference]: Without dead ends: 46 [2025-03-17 14:59:35,371 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 [2025-03-17 14:59:35,371 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 25 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:35,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 22 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:59:35,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-03-17 14:59:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-03-17 14:59:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 45 states have internal predecessors, (50), 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) [2025-03-17 14:59:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2025-03-17 14:59:35,374 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 17 [2025-03-17 14:59:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:35,375 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2025-03-17 14:59:35,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2025-03-17 14:59:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2025-03-17 14:59:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 14:59:35,375 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:35,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:35,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 14:59:35,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:35,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:35,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1511927285, now seen corresponding path program 1 times [2025-03-17 14:59:35,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:35,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423368118] [2025-03-17 14:59:35,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:35,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 14:59:35,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 14:59:35,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:35,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423368118] [2025-03-17 14:59:35,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423368118] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:35,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:35,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:59:35,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141964503] [2025-03-17 14:59:35,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:35,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:59:35,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:35,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:59:35,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:35,463 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2025-03-17 14:59:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:35,541 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2025-03-17 14:59:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:59:35,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2025-03-17 14:59:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:35,543 INFO L225 Difference]: With dead ends: 75 [2025-03-17 14:59:35,543 INFO L226 Difference]: Without dead ends: 71 [2025-03-17 14:59:35,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:59:35,544 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 28 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:35,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 29 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:59:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-03-17 14:59:35,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-03-17 14:59:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.164179104477612) internal successors, (78), 70 states have internal predecessors, (78), 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) [2025-03-17 14:59:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2025-03-17 14:59:35,552 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 18 [2025-03-17 14:59:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:35,552 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2025-03-17 14:59:35,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2025-03-17 14:59:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2025-03-17 14:59:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-17 14:59:35,553 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:35,553 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:35,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 14:59:35,553 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:35,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:35,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1852900101, now seen corresponding path program 1 times [2025-03-17 14:59:35,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:35,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770480360] [2025-03-17 14:59:35,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:35,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-17 14:59:35,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-17 14:59:35,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770480360] [2025-03-17 14:59:35,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770480360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:59:35,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:59:35,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 14:59:35,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990288019] [2025-03-17 14:59:35,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:59:35,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:59:35,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:35,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:59:35,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:59:35,640 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2025-03-17 14:59:35,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:35,736 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2025-03-17 14:59:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 14:59:35,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2025-03-17 14:59:35,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:35,737 INFO L225 Difference]: With dead ends: 101 [2025-03-17 14:59:35,737 INFO L226 Difference]: Without dead ends: 97 [2025-03-17 14:59:35,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:59:35,739 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 62 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:35,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 34 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:59:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-03-17 14:59:35,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-03-17 14:59:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.1505376344086022) internal successors, (107), 96 states have internal predecessors, (107), 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) [2025-03-17 14:59:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2025-03-17 14:59:35,743 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 24 [2025-03-17 14:59:35,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:35,743 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2025-03-17 14:59:35,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2025-03-17 14:59:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2025-03-17 14:59:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 14:59:35,744 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:35,744 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:35,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 14:59:35,745 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:35,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:35,745 INFO L85 PathProgramCache]: Analyzing trace with hash -552057083, now seen corresponding path program 1 times [2025-03-17 14:59:35,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:35,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976035500] [2025-03-17 14:59:35,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:35,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 14:59:35,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 14:59:35,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976035500] [2025-03-17 14:59:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976035500] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243023274] [2025-03-17 14:59:35,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:35,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:35,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:35,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:35,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 14:59:35,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 14:59:35,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 14:59:35,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:35,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:35,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:59:35,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:35,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:36,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243023274] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:36,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:36,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 14:59:36,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117054430] [2025-03-17 14:59:36,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:36,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 14:59:36,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:36,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 14:59:36,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:59:36,037 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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) [2025-03-17 14:59:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:36,290 INFO L93 Difference]: Finished difference Result 231 states and 272 transitions. [2025-03-17 14:59:36,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 14:59:36,290 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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 31 [2025-03-17 14:59:36,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:36,291 INFO L225 Difference]: With dead ends: 231 [2025-03-17 14:59:36,291 INFO L226 Difference]: Without dead ends: 227 [2025-03-17 14:59:36,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:59:36,292 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 309 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:36,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 64 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 14:59:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2025-03-17 14:59:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2025-03-17 14:59:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 223 states have (on average 1.1300448430493273) internal successors, (252), 226 states have internal predecessors, (252), 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) [2025-03-17 14:59:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 252 transitions. [2025-03-17 14:59:36,308 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 252 transitions. Word has length 31 [2025-03-17 14:59:36,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:36,308 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 252 transitions. [2025-03-17 14:59:36,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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) [2025-03-17 14:59:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 252 transitions. [2025-03-17 14:59:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-17 14:59:36,313 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:36,313 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:36,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 14:59:36,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:36,514 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:36,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:36,514 INFO L85 PathProgramCache]: Analyzing trace with hash -769472961, now seen corresponding path program 1 times [2025-03-17 14:59:36,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:36,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793577054] [2025-03-17 14:59:36,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:36,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:36,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 14:59:36,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 14:59:36,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:36,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:36,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:36,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793577054] [2025-03-17 14:59:36,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793577054] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:36,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681800425] [2025-03-17 14:59:36,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:36,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:36,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:36,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:36,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 14:59:36,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 14:59:36,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 14:59:36,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:36,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:36,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 14:59:36,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:36,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:37,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681800425] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:37,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:37,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-03-17 14:59:37,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135444687] [2025-03-17 14:59:37,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:37,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-17 14:59:37,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:37,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-17 14:59:37,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-03-17 14:59:37,114 INFO L87 Difference]: Start difference. First operand 227 states and 252 transitions. Second operand has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 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) [2025-03-17 14:59:37,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:37,629 INFO L93 Difference]: Finished difference Result 491 states and 582 transitions. [2025-03-17 14:59:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 14:59:37,629 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 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) Word has length 63 [2025-03-17 14:59:37,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:37,631 INFO L225 Difference]: With dead ends: 491 [2025-03-17 14:59:37,631 INFO L226 Difference]: Without dead ends: 487 [2025-03-17 14:59:37,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-03-17 14:59:37,631 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 569 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:37,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 124 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 14:59:37,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-17 14:59:37,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2025-03-17 14:59:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 483 states have (on average 1.1221532091097308) internal successors, (542), 486 states have internal predecessors, (542), 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) [2025-03-17 14:59:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 542 transitions. [2025-03-17 14:59:37,645 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 542 transitions. Word has length 63 [2025-03-17 14:59:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:37,645 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 542 transitions. [2025-03-17 14:59:37,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 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) [2025-03-17 14:59:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 542 transitions. [2025-03-17 14:59:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-17 14:59:37,653 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:37,653 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:37,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 14:59:37,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-03-17 14:59:37,854 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:37,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:37,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1652294651, now seen corresponding path program 2 times [2025-03-17 14:59:37,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:37,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039564476] [2025-03-17 14:59:37,855 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:59:37,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:37,875 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 128 statements into 2 equivalence classes. [2025-03-17 14:59:37,884 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 24 of 128 statements. [2025-03-17 14:59:37,884 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:59:37,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-03-17 14:59:37,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:37,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039564476] [2025-03-17 14:59:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039564476] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:37,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137105010] [2025-03-17 14:59:37,978 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:59:37,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:37,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:37,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:37,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 14:59:38,047 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 128 statements into 2 equivalence classes. [2025-03-17 14:59:38,058 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 24 of 128 statements. [2025-03-17 14:59:38,058 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:59:38,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:38,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 14:59:38,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2025-03-17 14:59:38,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2025-03-17 14:59:38,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137105010] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:38,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:38,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 14:59:38,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566181764] [2025-03-17 14:59:38,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:38,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 14:59:38,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:38,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 14:59:38,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-03-17 14:59:38,444 INFO L87 Difference]: Start difference. First operand 487 states and 542 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 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) [2025-03-17 14:59:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:38,573 INFO L93 Difference]: Finished difference Result 675 states and 764 transitions. [2025-03-17 14:59:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 14:59:38,573 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 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 128 [2025-03-17 14:59:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:38,574 INFO L225 Difference]: With dead ends: 675 [2025-03-17 14:59:38,574 INFO L226 Difference]: Without dead ends: 157 [2025-03-17 14:59:38,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2025-03-17 14:59:38,576 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 267 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:38,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 29 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:59:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-03-17 14:59:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-03-17 14:59:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.025974025974026) internal successors, (158), 156 states have internal predecessors, (158), 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) [2025-03-17 14:59:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 158 transitions. [2025-03-17 14:59:38,583 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 158 transitions. Word has length 128 [2025-03-17 14:59:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:38,583 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 158 transitions. [2025-03-17 14:59:38,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 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) [2025-03-17 14:59:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2025-03-17 14:59:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-17 14:59:38,586 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:38,586 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:38,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 14:59:38,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:38,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:38,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:38,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1264264225, now seen corresponding path program 1 times [2025-03-17 14:59:38,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:38,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334076576] [2025-03-17 14:59:38,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:38,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:38,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-17 14:59:38,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-17 14:59:38,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:38,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:39,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:39,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334076576] [2025-03-17 14:59:39,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334076576] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:39,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979190289] [2025-03-17 14:59:39,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:39,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:39,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:39,284 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:39,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 14:59:39,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-17 14:59:39,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-17 14:59:39,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:39,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:39,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-17 14:59:39,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:39,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:40,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979190289] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:40,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:40,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 40 [2025-03-17 14:59:40,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809380756] [2025-03-17 14:59:40,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:40,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-03-17 14:59:40,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:40,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-03-17 14:59:40,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2025-03-17 14:59:40,093 INFO L87 Difference]: Start difference. First operand 157 states and 158 transitions. Second operand has 41 states, 40 states have (on average 7.075) internal successors, (283), 41 states have internal predecessors, (283), 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) [2025-03-17 14:59:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:40,637 INFO L93 Difference]: Finished difference Result 540 states and 598 transitions. [2025-03-17 14:59:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-17 14:59:40,637 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 7.075) internal successors, (283), 41 states have internal predecessors, (283), 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 137 [2025-03-17 14:59:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:40,638 INFO L225 Difference]: With dead ends: 540 [2025-03-17 14:59:40,639 INFO L226 Difference]: Without dead ends: 297 [2025-03-17 14:59:40,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2025-03-17 14:59:40,640 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 503 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:40,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 102 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 14:59:40,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-03-17 14:59:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2025-03-17 14:59:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 294 states have (on average 1.0136054421768708) internal successors, (298), 296 states have internal predecessors, (298), 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) [2025-03-17 14:59:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 298 transitions. [2025-03-17 14:59:40,646 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 298 transitions. Word has length 137 [2025-03-17 14:59:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:40,647 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 298 transitions. [2025-03-17 14:59:40,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 7.075) internal successors, (283), 41 states have internal predecessors, (283), 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) [2025-03-17 14:59:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 298 transitions. [2025-03-17 14:59:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-03-17 14:59:40,649 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:40,649 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:40,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 14:59:40,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:40,853 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:40,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:40,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2056100255, now seen corresponding path program 2 times [2025-03-17 14:59:40,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:40,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674849523] [2025-03-17 14:59:40,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:59:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:40,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 277 statements into 2 equivalence classes. [2025-03-17 14:59:40,924 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 277 of 277 statements. [2025-03-17 14:59:40,924 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:59:40,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:42,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:42,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674849523] [2025-03-17 14:59:42,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674849523] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:42,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734622331] [2025-03-17 14:59:42,272 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:59:42,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:42,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:42,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:42,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 14:59:42,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 277 statements into 2 equivalence classes. [2025-03-17 14:59:42,457 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 277 of 277 statements. [2025-03-17 14:59:42,457 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:59:42,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:42,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-03-17 14:59:42,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:42,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:44,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734622331] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:44,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:44,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 80 [2025-03-17 14:59:44,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972689172] [2025-03-17 14:59:44,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:44,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-03-17 14:59:44,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:44,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-03-17 14:59:44,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2025-03-17 14:59:44,362 INFO L87 Difference]: Start difference. First operand 297 states and 298 transitions. Second operand has 81 states, 80 states have (on average 7.0375) internal successors, (563), 81 states have internal predecessors, (563), 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) [2025-03-17 14:59:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:45,457 INFO L93 Difference]: Finished difference Result 1060 states and 1178 transitions. [2025-03-17 14:59:45,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-17 14:59:45,458 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 80 states have (on average 7.0375) internal successors, (563), 81 states have internal predecessors, (563), 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 277 [2025-03-17 14:59:45,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:45,459 INFO L225 Difference]: With dead ends: 1060 [2025-03-17 14:59:45,459 INFO L226 Difference]: Without dead ends: 577 [2025-03-17 14:59:45,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2025-03-17 14:59:45,461 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1284 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:45,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 180 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 14:59:45,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-03-17 14:59:45,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2025-03-17 14:59:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 574 states have (on average 1.0069686411149825) internal successors, (578), 576 states have internal predecessors, (578), 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) [2025-03-17 14:59:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 578 transitions. [2025-03-17 14:59:45,468 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 578 transitions. Word has length 277 [2025-03-17 14:59:45,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:45,469 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 578 transitions. [2025-03-17 14:59:45,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 80 states have (on average 7.0375) internal successors, (563), 81 states have internal predecessors, (563), 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) [2025-03-17 14:59:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 578 transitions. [2025-03-17 14:59:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2025-03-17 14:59:45,474 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:45,474 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 78, 78, 78, 78, 78, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:45,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 14:59:45,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-17 14:59:45,678 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:45,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:45,679 INFO L85 PathProgramCache]: Analyzing trace with hash -491834081, now seen corresponding path program 3 times [2025-03-17 14:59:45,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:45,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563071413] [2025-03-17 14:59:45,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:59:45,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:45,734 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 557 statements into 79 equivalence classes. [2025-03-17 14:59:45,738 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 18 of 557 statements. [2025-03-17 14:59:45,738 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 14:59:45,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 21255 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 20944 trivial. 0 not checked. [2025-03-17 14:59:45,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:45,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563071413] [2025-03-17 14:59:45,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563071413] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:45,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693379999] [2025-03-17 14:59:45,777 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:59:45,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:45,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:45,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:45,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 14:59:45,913 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 557 statements into 79 equivalence classes. [2025-03-17 14:59:45,922 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 18 of 557 statements. [2025-03-17 14:59:45,922 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 14:59:45,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:45,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 14:59:45,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21255 backedges. 154 proven. 311 refuted. 0 times theorem prover too weak. 20790 trivial. 0 not checked. [2025-03-17 14:59:46,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 21255 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 20790 trivial. 0 not checked. [2025-03-17 14:59:46,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693379999] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:46,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:46,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2025-03-17 14:59:46,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556552768] [2025-03-17 14:59:46,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:46,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 14:59:46,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:46,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 14:59:46,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:59:46,944 INFO L87 Difference]: Start difference. First operand 577 states and 578 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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) [2025-03-17 14:59:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:59:47,014 INFO L93 Difference]: Finished difference Result 577 states and 578 transitions. [2025-03-17 14:59:47,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 14:59:47,015 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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 557 [2025-03-17 14:59:47,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:59:47,017 INFO L225 Difference]: With dead ends: 577 [2025-03-17 14:59:47,017 INFO L226 Difference]: Without dead ends: 575 [2025-03-17 14:59:47,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1122 GetRequests, 1106 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2025-03-17 14:59:47,018 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 58 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:59:47,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 10 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:59:47,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-03-17 14:59:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 558. [2025-03-17 14:59:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 557 states have (on average 1.0017953321364452) internal successors, (558), 557 states have internal predecessors, (558), 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) [2025-03-17 14:59:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 558 transitions. [2025-03-17 14:59:47,035 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 558 transitions. Word has length 557 [2025-03-17 14:59:47,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:59:47,036 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 558 transitions. [2025-03-17 14:59:47,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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) [2025-03-17 14:59:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 558 transitions. [2025-03-17 14:59:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2025-03-17 14:59:47,041 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:59:47,041 INFO L218 NwaCegarLoop]: trace histogram [77, 77, 77, 77, 76, 76, 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:59:47,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 14:59:47,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:47,247 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 14:59:47,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:59:47,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2071872863, now seen corresponding path program 1 times [2025-03-17 14:59:47,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:59:47,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158386753] [2025-03-17 14:59:47,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:59:47,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 557 statements into 1 equivalence classes. [2025-03-17 14:59:47,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 557 of 557 statements. [2025-03-17 14:59:47,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:47,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20330 backedges. 0 proven. 20330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:51,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:59:51,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158386753] [2025-03-17 14:59:51,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158386753] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:59:51,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900978389] [2025-03-17 14:59:51,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:59:51,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:59:51,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:59:51,394 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:59:51,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 14:59:51,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 557 statements into 1 equivalence classes. [2025-03-17 14:59:51,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 557 of 557 statements. [2025-03-17 14:59:51,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:59:51,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:59:51,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-03-17 14:59:51,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:59:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 20330 backedges. 0 proven. 20330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:52,237 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:59:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20330 backedges. 0 proven. 20330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:59:57,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900978389] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:59:57,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:59:57,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 80, 80] total 160 [2025-03-17 14:59:57,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864281094] [2025-03-17 14:59:57,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:59:57,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2025-03-17 14:59:57,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:59:57,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2025-03-17 14:59:57,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2025-03-17 14:59:57,530 INFO L87 Difference]: Start difference. First operand 558 states and 558 transitions. Second operand has 161 states, 160 states have (on average 7.01875) internal successors, (1123), 161 states have internal predecessors, (1123), 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) [2025-03-17 15:00:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:00:01,487 INFO L93 Difference]: Finished difference Result 2096 states and 2176 transitions. [2025-03-17 15:00:01,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-03-17 15:00:01,488 INFO L78 Accepts]: Start accepts. Automaton has has 161 states, 160 states have (on average 7.01875) internal successors, (1123), 161 states have internal predecessors, (1123), 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 557 [2025-03-17 15:00:01,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:00:01,491 INFO L225 Difference]: With dead ends: 2096 [2025-03-17 15:00:01,491 INFO L226 Difference]: Without dead ends: 1135 [2025-03-17 15:00:01,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1192 GetRequests, 1033 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2025-03-17 15:00:01,495 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 2778 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:00:01,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2778 Valid, 337 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:00:01,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2025-03-17 15:00:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1118. [2025-03-17 15:00:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1117 states have (on average 1.000895255147717) internal successors, (1118), 1117 states have internal predecessors, (1118), 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) [2025-03-17 15:00:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1118 transitions. [2025-03-17 15:00:01,506 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1118 transitions. Word has length 557 [2025-03-17 15:00:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:00:01,507 INFO L471 AbstractCegarLoop]: Abstraction has 1118 states and 1118 transitions. [2025-03-17 15:00:01,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 160 states have (on average 7.01875) internal successors, (1123), 161 states have internal predecessors, (1123), 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) [2025-03-17 15:00:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1118 transitions. [2025-03-17 15:00:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2025-03-17 15:00:01,514 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:00:01,514 INFO L218 NwaCegarLoop]: trace histogram [157, 157, 157, 157, 156, 156, 156, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:00:01,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 15:00:01,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:00:01,715 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-17 15:00:01,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:00:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash 407204257, now seen corresponding path program 2 times [2025-03-17 15:00:01,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:00:01,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118355333] [2025-03-17 15:00:01,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:00:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:00:01,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1117 statements into 2 equivalence classes. [2025-03-17 15:00:01,789 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 25 of 1117 statements. [2025-03-17 15:00:01,790 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:00:01,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:00:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 85410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85410 trivial. 0 not checked. [2025-03-17 15:00:01,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:00:01,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118355333] [2025-03-17 15:00:01,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118355333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:00:01,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:00:01,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:00:01,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604236418] [2025-03-17 15:00:01,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:00:01,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:00:01,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:00:01,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:00:01,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:00:01,827 INFO L87 Difference]: Start difference. First operand 1118 states and 1118 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2025-03-17 15:00:01,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:00:01,860 INFO L93 Difference]: Finished difference Result 1118 states and 1118 transitions. [2025-03-17 15:00:01,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:00:01,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 1117 [2025-03-17 15:00:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:00:01,862 INFO L225 Difference]: With dead ends: 1118 [2025-03-17 15:00:01,862 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:00:01,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:00:01,863 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 22 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:00:01,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 14 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:00:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:00:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:00:01,864 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) [2025-03-17 15:00:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:00:01,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1117 [2025-03-17 15:00:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:00:01,864 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:00:01,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2025-03-17 15:00:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:00:01,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:00:01,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2025-03-17 15:00:01,870 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2025-03-17 15:00:01,870 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2025-03-17 15:00:01,870 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2025-03-17 15:00:01,870 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2025-03-17 15:00:01,870 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2025-03-17 15:00:01,871 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2025-03-17 15:00:01,871 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2025-03-17 15:00:01,871 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2025-03-17 15:00:01,871 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2025-03-17 15:00:01,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 15:00:01,873 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:00:01,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:00:01,890 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:00:01,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:00:01 BoogieIcfgContainer [2025-03-17 15:00:01,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:00:01,897 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:00:01,897 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:00:01,897 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:00:01,898 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:59:34" (3/4) ... [2025-03-17 15:00:01,899 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:00:01,904 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure reach_error [2025-03-17 15:00:01,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-17 15:00:01,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:00:01,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 15:00:01,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:00:01,975 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:00:01,976 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:00:01,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:00:01,976 INFO L158 Benchmark]: Toolchain (without parser) took 27956.79ms. Allocated memory was 167.8MB in the beginning and 704.6MB in the end (delta: 536.9MB). Free memory was 122.0MB in the beginning and 511.4MB in the end (delta: -389.4MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. [2025-03-17 15:00:01,976 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:00:01,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.51ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 108.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:00:01,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.82ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:00:01,977 INFO L158 Benchmark]: Boogie Preprocessor took 23.92ms. Allocated memory is still 167.8MB. Free memory was 106.7MB in the beginning and 105.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:00:01,977 INFO L158 Benchmark]: IcfgBuilder took 390.30ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 83.9MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 15:00:01,977 INFO L158 Benchmark]: TraceAbstraction took 27205.10ms. Allocated memory was 167.8MB in the beginning and 704.6MB in the end (delta: 536.9MB). Free memory was 83.4MB in the beginning and 515.9MB in the end (delta: -432.4MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2025-03-17 15:00:01,978 INFO L158 Benchmark]: Witness Printer took 78.53ms. Allocated memory is still 704.6MB. Free memory was 515.9MB in the beginning and 511.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:00:01,979 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 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.51ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 108.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.82ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.92ms. Allocated memory is still 167.8MB. Free memory was 106.7MB in the beginning and 105.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 390.30ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 83.9MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27205.10ms. Allocated memory was 167.8MB in the beginning and 704.6MB in the end (delta: 536.9MB). Free memory was 83.4MB in the beginning and 515.9MB in the end (delta: -432.4MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. * Witness Printer took 78.53ms. Allocated memory is still 704.6MB. Free memory was 515.9MB in the beginning and 511.4MB in the end (delta: 4.4MB). 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: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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 2 procedures, 97 locations, 161 edges, 10 error locations. Started 1 CEGAR loops. OverallTime: 27.1s, OverallIterations: 14, TraceHistogramMax: 157, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5956 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5956 mSDsluCounter, 1203 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 898 mSDsCounter, 751 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4614 IncrementalHoareTripleChecker+Invalid, 5365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 751 mSolverCounterUnsat, 305 mSDtfsCounter, 4614 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3685 GetRequests, 3329 SyntacticMatches, 2 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1118occurred in iteration=13, InterpolantAutomatonStates: 362, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 4693 NumberOfCodeBlocks, 2315 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 6415 ConstructedInterpolants, 0 QuantifiedInterpolants, 19289 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4059 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 28 InterpolantComputations, 7 PerfectInterpolantSequences, 149380/230304 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 15:00:01,991 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