./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 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:10:58,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:10:58,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:10:58,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:10:58,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:10:58,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:10:58,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:10:58,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:10:58,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:10:58,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:10:58,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:10:58,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:10:58,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:10:58,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:10:58,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:10:58,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:10:58,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:10:58,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:10:58,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:10:58,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:10:58,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:10:58,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:10:58,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:10:58,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:10:58,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:10:58,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:10:58,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:10:58,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:10:58,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:10:58,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:10:58,214 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:10:58,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:10:58,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:10:58,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:10:58,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:10:58,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:10:58,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:10:58,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:10:58,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:10:58,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:10:58,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:10:58,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:10:58,218 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:10:58,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:10:58,219 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 [2024-11-17 04:10:58,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:10:58,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:10:58,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:10:58,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:10:58,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:10:58,470 INFO L431 ainManager$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 [2024-11-17 04:10:59,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:10:59,952 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:10:59,952 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-11-17 04:10:59,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0271168e4/ea42138b79a543dd8baa77513bc0d675/FLAG2774865a3 [2024-11-17 04:11:00,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0271168e4/ea42138b79a543dd8baa77513bc0d675 [2024-11-17 04:11:00,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:11:00,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:11:00,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:11:00,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:11:00,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:11:00,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e96435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00, skipping insertion in model container [2024-11-17 04:11:00,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:11:00,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:11:00,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:11:00,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:11:00,769 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:11:00,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00 WrapperNode [2024-11-17 04:11:00,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:11:00,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:11:00,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:11:00,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:11:00,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,805 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 288 [2024-11-17 04:11:00,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:11:00,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:11:00,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:11:00,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:11:00,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,838 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]. [2024-11-17 04:11:00,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,847 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:11:00,852 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:11:00,852 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:11:00,852 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:11:00,853 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (1/1) ... [2024-11-17 04:11:00,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:11:00,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:00,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:11:00,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:11:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 04:11:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 04:11:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:11:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:11:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:11:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:11:01,016 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:11:01,018 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:11:01,265 INFO L1250 $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; [2024-11-17 04:11:01,266 INFO L1250 $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; [2024-11-17 04:11:01,266 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: havoc main_~main____CPAchecker_TMP_0~0#1; [2024-11-17 04:11:01,266 INFO L1250 $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; [2024-11-17 04:11:01,266 INFO L1250 $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; [2024-11-17 04:11:01,266 INFO L1250 $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; [2024-11-17 04:11:01,266 INFO L1250 $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; [2024-11-17 04:11:01,267 INFO L1250 $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; [2024-11-17 04:11:01,267 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: havoc main_~main____CPAchecker_TMP_3~0#1; [2024-11-17 04:11:01,267 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L321: havoc main_~main____CPAchecker_TMP_0~1#1; [2024-11-17 04:11:01,267 INFO L1250 $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; [2024-11-17 04:11:01,267 INFO L1250 $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; [2024-11-17 04:11:01,269 INFO L1250 $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; [2024-11-17 04:11:01,286 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-17 04:11:01,286 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:11:01,305 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:11:01,305 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:11:01,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:11:01 BoogieIcfgContainer [2024-11-17 04:11:01,305 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:11:01,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:11:01,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:11:01,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:11:01,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:11:00" (1/3) ... [2024-11-17 04:11:01,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1077a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:11:01, skipping insertion in model container [2024-11-17 04:11:01,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:11:00" (2/3) ... [2024-11-17 04:11:01,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1077a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:11:01, skipping insertion in model container [2024-11-17 04:11:01,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:11:01" (3/3) ... [2024-11-17 04:11:01,317 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2024-11-17 04:11:01,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:11:01,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 04:11:01,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:11:01,377 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;@927ea22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:11:01,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 04:11:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 85 states have internal predecessors, (115), 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) [2024-11-17 04:11:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:11:01,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:01,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:11:01,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:01,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:01,388 INFO L85 PathProgramCache]: Analyzing trace with hash 7294719, now seen corresponding path program 1 times [2024-11-17 04:11:01,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:01,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665128951] [2024-11-17 04:11:01,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:01,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:01,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:01,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665128951] [2024-11-17 04:11:01,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665128951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:01,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:01,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:11:01,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617015876] [2024-11-17 04:11:01,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:01,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:01,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:01,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:01,539 INFO L87 Difference]: Start difference. First operand has 105 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 85 states have internal predecessors, (115), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:01,588 INFO L93 Difference]: Finished difference Result 108 states and 153 transitions. [2024-11-17 04:11:01,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:01,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-17 04:11:01,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:01,594 INFO L225 Difference]: With dead ends: 108 [2024-11-17 04:11:01,594 INFO L226 Difference]: Without dead ends: 53 [2024-11-17 04:11:01,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:01,599 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:01,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 194 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:01,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-17 04:11:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-17 04:11:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 52 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2024-11-17 04:11:01,626 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 4 [2024-11-17 04:11:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:01,627 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2024-11-17 04:11:01,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2024-11-17 04:11:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 04:11:01,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:01,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 04:11:01,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:11:01,629 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:01,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:01,629 INFO L85 PathProgramCache]: Analyzing trace with hash 226136458, now seen corresponding path program 1 times [2024-11-17 04:11:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:01,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588966799] [2024-11-17 04:11:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:01,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:01,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:01,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588966799] [2024-11-17 04:11:01,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588966799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:01,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:01,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:11:01,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889423172] [2024-11-17 04:11:01,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:01,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:01,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:01,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:01,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:01,675 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:01,699 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2024-11-17 04:11:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:01,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-17 04:11:01,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:01,700 INFO L225 Difference]: With dead ends: 53 [2024-11-17 04:11:01,701 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 04:11:01,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:01,702 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 51 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:01,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 43 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:01,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 04:11:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-17 04:11:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 51 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2024-11-17 04:11:01,708 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 5 [2024-11-17 04:11:01,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:01,708 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2024-11-17 04:11:01,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2024-11-17 04:11:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:11:01,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:01,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:01,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:11:01,709 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)] === [2024-11-17 04:11:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 415452405, now seen corresponding path program 1 times [2024-11-17 04:11:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321497590] [2024-11-17 04:11:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:01,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:01,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:01,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321497590] [2024-11-17 04:11:01,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321497590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:01,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:11:01,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:11:01,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318338234] [2024-11-17 04:11:01,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:01,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:11:01,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:01,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:11:01,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:01,803 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:01,867 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2024-11-17 04:11:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:11:01,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2024-11-17 04:11:01,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:01,869 INFO L225 Difference]: With dead ends: 64 [2024-11-17 04:11:01,869 INFO L226 Difference]: Without dead ends: 60 [2024-11-17 04:11:01,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:11:01,870 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:01,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 52 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:01,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-17 04:11:01,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2024-11-17 04:11:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.24) internal successors, (62), 57 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2024-11-17 04:11:01,875 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 12 [2024-11-17 04:11:01,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:01,875 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2024-11-17 04:11:01,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2024-11-17 04:11:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:11:01,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:01,876 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:01,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:11:01,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:01,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:01,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1695872946, now seen corresponding path program 1 times [2024-11-17 04:11:01,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:01,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869237517] [2024-11-17 04:11:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:01,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:01,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869237517] [2024-11-17 04:11:01,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869237517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:01,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246256792] [2024-11-17 04:11:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:01,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:01,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:01,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:01,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:11:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:01,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:11:02,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:02,088 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:11:02,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246256792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:02,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:11:02,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 04:11:02,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772588847] [2024-11-17 04:11:02,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:02,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:11:02,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:02,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:11:02,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:11:02,090 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:02,194 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2024-11-17 04:11:02,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:11:02,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-11-17 04:11:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:02,195 INFO L225 Difference]: With dead ends: 60 [2024-11-17 04:11:02,195 INFO L226 Difference]: Without dead ends: 56 [2024-11-17 04:11:02,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:11:02,196 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 53 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:02,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 22 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:02,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-17 04:11:02,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-17 04:11:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.16) internal successors, (58), 53 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2024-11-17 04:11:02,210 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2024-11-17 04:11:02,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:02,210 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2024-11-17 04:11:02,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:02,211 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2024-11-17 04:11:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:11:02,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:02,211 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:02,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:02,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:02,412 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:02,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:02,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1032453930, now seen corresponding path program 1 times [2024-11-17 04:11:02,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:02,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053263054] [2024-11-17 04:11:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:02,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:02,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053263054] [2024-11-17 04:11:02,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053263054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:02,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349564515] [2024-11-17 04:11:02,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:02,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:02,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:02,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:02,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:11:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:02,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:11:02,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:02,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:02,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349564515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:02,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:02,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:11:02,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545249059] [2024-11-17 04:11:02,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:02,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:11:02,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:02,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:11:02,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:11:02,585 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:02,718 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2024-11-17 04:11:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:11:02,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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 21 [2024-11-17 04:11:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:02,720 INFO L225 Difference]: With dead ends: 151 [2024-11-17 04:11:02,720 INFO L226 Difference]: Without dead ends: 147 [2024-11-17 04:11:02,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:11:02,721 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 106 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:02,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 63 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-17 04:11:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-17 04:11:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 143 states have (on average 1.118881118881119) internal successors, (160), 146 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 160 transitions. [2024-11-17 04:11:02,727 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 160 transitions. Word has length 21 [2024-11-17 04:11:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:02,728 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 160 transitions. [2024-11-17 04:11:02,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions. [2024-11-17 04:11:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:11:02,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:02,731 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:02,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:11:02,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:02,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:02,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:02,932 INFO L85 PathProgramCache]: Analyzing trace with hash -254300356, now seen corresponding path program 2 times [2024-11-17 04:11:02,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:02,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993324976] [2024-11-17 04:11:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:02,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:03,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:03,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993324976] [2024-11-17 04:11:03,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993324976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:03,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498364971] [2024-11-17 04:11:03,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:11:03,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:03,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:03,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:03,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:11:03,142 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:11:03,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:11:03,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:11:03,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:03,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:03,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498364971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:03,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:03,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-17 04:11:03,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119618472] [2024-11-17 04:11:03,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:03,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:11:03,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:03,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:11:03,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:11:03,302 INFO L87 Difference]: Start difference. First operand 147 states and 160 transitions. Second operand has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 13 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:03,571 INFO L93 Difference]: Finished difference Result 343 states and 394 transitions. [2024-11-17 04:11:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:11:03,571 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 13 states have internal predecessors, (100), 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 45 [2024-11-17 04:11:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:03,573 INFO L225 Difference]: With dead ends: 343 [2024-11-17 04:11:03,573 INFO L226 Difference]: Without dead ends: 339 [2024-11-17 04:11:03,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:11:03,574 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 357 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:03,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 105 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:11:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-17 04:11:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-11-17 04:11:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 335 states have (on average 1.1044776119402986) internal successors, (370), 338 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 370 transitions. [2024-11-17 04:11:03,586 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 370 transitions. Word has length 45 [2024-11-17 04:11:03,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:03,586 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 370 transitions. [2024-11-17 04:11:03,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 13 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 370 transitions. [2024-11-17 04:11:03,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-17 04:11:03,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:03,589 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:03,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:11:03,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:03,794 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:03,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:03,795 INFO L85 PathProgramCache]: Analyzing trace with hash -464171680, now seen corresponding path program 3 times [2024-11-17 04:11:03,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:03,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749176137] [2024-11-17 04:11:03,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:03,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:04,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:04,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749176137] [2024-11-17 04:11:04,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749176137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:04,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232978365] [2024-11-17 04:11:04,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:11:04,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:04,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:04,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:04,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:11:04,226 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:11:04,227 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:11:04,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:11:04,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-17 04:11:04,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-17 04:11:04,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232978365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:04,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:04,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 21 [2024-11-17 04:11:04,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120116634] [2024-11-17 04:11:04,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:04,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:11:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:04,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:11:04,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:11:04,537 INFO L87 Difference]: Start difference. First operand 339 states and 370 transitions. Second operand has 22 states, 21 states have (on average 6.714285714285714) internal successors, (141), 22 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:05,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:05,383 INFO L93 Difference]: Finished difference Result 421 states and 467 transitions. [2024-11-17 04:11:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-17 04:11:05,384 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.714285714285714) internal successors, (141), 22 states have internal predecessors, (141), 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 93 [2024-11-17 04:11:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:05,387 INFO L225 Difference]: With dead ends: 421 [2024-11-17 04:11:05,387 INFO L226 Difference]: Without dead ends: 417 [2024-11-17 04:11:05,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1207, Invalid=2453, Unknown=0, NotChecked=0, Total=3660 [2024-11-17 04:11:05,389 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1254 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:05,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 122 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:11:05,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-17 04:11:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-11-17 04:11:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 413 states have (on average 1.099273607748184) internal successors, (454), 414 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 454 transitions. [2024-11-17 04:11:05,430 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 454 transitions. Word has length 93 [2024-11-17 04:11:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:05,431 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 454 transitions. [2024-11-17 04:11:05,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.714285714285714) internal successors, (141), 22 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 454 transitions. [2024-11-17 04:11:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:11:05,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:05,443 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:05,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:05,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:05,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:05,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:05,646 INFO L85 PathProgramCache]: Analyzing trace with hash -123340906, now seen corresponding path program 1 times [2024-11-17 04:11:05,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:05,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471664324] [2024-11-17 04:11:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:05,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:05,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:05,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471664324] [2024-11-17 04:11:05,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471664324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:05,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341950723] [2024-11-17 04:11:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:05,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:05,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:05,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:05,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:11:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:06,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:11:06,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:06,135 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:06,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341950723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:06,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:06,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2024-11-17 04:11:06,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002595573] [2024-11-17 04:11:06,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:06,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-17 04:11:06,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:06,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-17 04:11:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2024-11-17 04:11:06,473 INFO L87 Difference]: Start difference. First operand 415 states and 454 transitions. Second operand has 31 states, 30 states have (on average 8.2) internal successors, (246), 31 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:07,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:07,446 INFO L93 Difference]: Finished difference Result 915 states and 1028 transitions. [2024-11-17 04:11:07,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-17 04:11:07,446 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.2) internal successors, (246), 31 states have internal predecessors, (246), 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 118 [2024-11-17 04:11:07,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:07,449 INFO L225 Difference]: With dead ends: 915 [2024-11-17 04:11:07,449 INFO L226 Difference]: Without dead ends: 913 [2024-11-17 04:11:07,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2024-11-17 04:11:07,450 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1895 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:07,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 245 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:11:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-11-17 04:11:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 895. [2024-11-17 04:11:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 893 states have (on average 1.0963045912653975) internal successors, (979), 894 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 979 transitions. [2024-11-17 04:11:07,465 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 979 transitions. Word has length 118 [2024-11-17 04:11:07,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:07,465 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 979 transitions. [2024-11-17 04:11:07,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.2) internal successors, (246), 31 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 979 transitions. [2024-11-17 04:11:07,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-17 04:11:07,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:07,468 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:07,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:11:07,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:07,673 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:07,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:07,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1817880188, now seen corresponding path program 2 times [2024-11-17 04:11:07,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:07,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489182288] [2024-11-17 04:11:07,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:08,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:08,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489182288] [2024-11-17 04:11:08,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489182288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:08,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332832630] [2024-11-17 04:11:08,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:11:08,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:08,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:08,783 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:08,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:11:08,875 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 04:11:08,876 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:11:08,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:11:08,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked. [2024-11-17 04:11:09,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:11:09,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332832630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:09,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:11:09,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [30] total 35 [2024-11-17 04:11:09,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725175363] [2024-11-17 04:11:09,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:09,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:11:09,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:09,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:11:09,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=753, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 04:11:09,224 INFO L87 Difference]: Start difference. First operand 895 states and 979 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:09,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:09,349 INFO L93 Difference]: Finished difference Result 895 states and 979 transitions. [2024-11-17 04:11:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:11:09,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 238 [2024-11-17 04:11:09,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:09,351 INFO L225 Difference]: With dead ends: 895 [2024-11-17 04:11:09,351 INFO L226 Difference]: Without dead ends: 894 [2024-11-17 04:11:09,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=531, Invalid=1029, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 04:11:09,353 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 57 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:09,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 36 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:11:09,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2024-11-17 04:11:09,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 890. [2024-11-17 04:11:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 889 states have (on average 1.095613048368954) internal successors, (974), 889 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 974 transitions. [2024-11-17 04:11:09,365 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 974 transitions. Word has length 238 [2024-11-17 04:11:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:09,365 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 974 transitions. [2024-11-17 04:11:09,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 974 transitions. [2024-11-17 04:11:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-17 04:11:09,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:09,368 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 26, 26, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:09,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:11:09,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:09,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:09,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash -980957605, now seen corresponding path program 1 times [2024-11-17 04:11:09,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:09,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130293799] [2024-11-17 04:11:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:10,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130293799] [2024-11-17 04:11:10,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130293799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720591583] [2024-11-17 04:11:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:10,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:10,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:10,474 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:10,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:11:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:10,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 04:11:10,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:10,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:11:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:12,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720591583] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:11:12,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:11:12,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2024-11-17 04:11:12,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790648017] [2024-11-17 04:11:12,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:11:12,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-17 04:11:12,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:12,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-17 04:11:12,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2024-11-17 04:11:12,090 INFO L87 Difference]: Start difference. First operand 890 states and 974 transitions. Second operand has 61 states, 60 states have (on average 8.1) internal successors, (486), 61 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:14,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:14,866 INFO L93 Difference]: Finished difference Result 1873 states and 2077 transitions. [2024-11-17 04:11:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-17 04:11:14,867 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 60 states have (on average 8.1) internal successors, (486), 61 states have internal predecessors, (486), 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 238 [2024-11-17 04:11:14,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:14,875 INFO L225 Difference]: With dead ends: 1873 [2024-11-17 04:11:14,875 INFO L226 Difference]: Without dead ends: 1872 [2024-11-17 04:11:14,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2024-11-17 04:11:14,879 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 3126 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:14,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3126 Valid, 497 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 04:11:14,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2024-11-17 04:11:14,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1850. [2024-11-17 04:11:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1849 states have (on average 1.0946457544618713) internal successors, (2024), 1849 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2024 transitions. [2024-11-17 04:11:14,918 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2024 transitions. Word has length 238 [2024-11-17 04:11:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:14,918 INFO L471 AbstractCegarLoop]: Abstraction has 1850 states and 2024 transitions. [2024-11-17 04:11:14,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 8.1) internal successors, (486), 61 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2024 transitions. [2024-11-17 04:11:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-11-17 04:11:14,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:11:14,931 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 55, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:11:14,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:15,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:15,132 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 04:11:15,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:11:15,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1256379943, now seen corresponding path program 2 times [2024-11-17 04:11:15,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:11:15,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369270700] [2024-11-17 04:11:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:11:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:11:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:11:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:11:18,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:11:18,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369270700] [2024-11-17 04:11:18,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369270700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:11:18,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720970769] [2024-11-17 04:11:18,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:11:18,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:11:18,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:11:18,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:11:18,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:11:19,026 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 04:11:19,027 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:11:19,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:11:19,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:11:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12210 trivial. 0 not checked. [2024-11-17 04:11:19,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:11:19,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720970769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:11:19,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:11:19,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [60] total 65 [2024-11-17 04:11:19,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985749852] [2024-11-17 04:11:19,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:11:19,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:11:19,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:11:19,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:11:19,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1902, Invalid=2388, Unknown=0, NotChecked=0, Total=4290 [2024-11-17 04:11:19,600 INFO L87 Difference]: Start difference. First operand 1850 states and 2024 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:19,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:11:19,761 INFO L93 Difference]: Finished difference Result 1850 states and 2024 transitions. [2024-11-17 04:11:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:11:19,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 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 478 [2024-11-17 04:11:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:11:19,762 INFO L225 Difference]: With dead ends: 1850 [2024-11-17 04:11:19,762 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:11:19,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1926, Invalid=2904, Unknown=0, NotChecked=0, Total=4830 [2024-11-17 04:11:19,770 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 76 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:11:19,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 34 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:11:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:11:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:11:19,771 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) [2024-11-17 04:11:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:11:19,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 478 [2024-11-17 04:11:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:11:19,772 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:11:19,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:11:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:11:19,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:11:19,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-17 04:11:19,778 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-17 04:11:19,779 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-17 04:11:19,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:11:19,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 04:11:19,983 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1] [2024-11-17 04:11:19,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:11:20,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:11:20,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:11:20 BoogieIcfgContainer [2024-11-17 04:11:20,046 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:11:20,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:11:20,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:11:20,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:11:20,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:11:01" (3/4) ... [2024-11-17 04:11:20,049 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:11:20,052 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure reach_error [2024-11-17 04:11:20,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-17 04:11:20,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:11:20,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:11:20,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:11:20,140 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:11:20,141 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:11:20,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:11:20,141 INFO L158 Benchmark]: Toolchain (without parser) took 19757.93ms. Allocated memory was 186.6MB in the beginning and 616.6MB in the end (delta: 429.9MB). Free memory was 115.2MB in the beginning and 411.5MB in the end (delta: -296.3MB). Peak memory consumption was 136.7MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,141 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory was 115.3MB in the beginning and 115.1MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:11:20,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.14ms. Allocated memory is still 186.6MB. Free memory was 114.9MB in the beginning and 100.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 186.6MB. Free memory was 99.9MB in the beginning and 97.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,142 INFO L158 Benchmark]: Boogie Preprocessor took 45.56ms. Allocated memory is still 186.6MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,144 INFO L158 Benchmark]: IcfgBuilder took 453.32ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 95.6MB in the beginning and 185.9MB in the end (delta: -90.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,145 INFO L158 Benchmark]: TraceAbstraction took 18738.77ms. Allocated memory was 232.8MB in the beginning and 616.6MB in the end (delta: 383.8MB). Free memory was 184.8MB in the beginning and 418.9MB in the end (delta: -234.0MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,145 INFO L158 Benchmark]: Witness Printer took 93.91ms. Allocated memory is still 616.6MB. Free memory was 418.9MB in the beginning and 411.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-17 04:11:20,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory was 115.3MB in the beginning and 115.1MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.14ms. Allocated memory is still 186.6MB. Free memory was 114.9MB in the beginning and 100.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 186.6MB. Free memory was 99.9MB in the beginning and 97.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.56ms. Allocated memory is still 186.6MB. Free memory was 97.9MB in the beginning and 95.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 453.32ms. Allocated memory was 186.6MB in the beginning and 232.8MB in the end (delta: 46.1MB). Free memory was 95.6MB in the beginning and 185.9MB in the end (delta: -90.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18738.77ms. Allocated memory was 232.8MB in the beginning and 616.6MB in the end (delta: 383.8MB). Free memory was 184.8MB in the beginning and 418.9MB in the end (delta: -234.0MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. * Witness Printer took 93.91ms. Allocated memory is still 616.6MB. Free memory was 418.9MB in the beginning and 411.5MB in the end (delta: 7.3MB). 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, 105 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 11, TraceHistogramMax: 56, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6985 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6985 mSDsluCounter, 1413 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1094 mSDsCounter, 907 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3756 IncrementalHoareTripleChecker+Invalid, 4663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 907 mSolverCounterUnsat, 319 mSDtfsCounter, 3756 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1965 GetRequests, 1689 SyntacticMatches, 1 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1850occurred in iteration=10, InterpolantAutomatonStates: 183, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 50 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 2523 NumberOfCodeBlocks, 1803 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3014 ConstructedInterpolants, 0 QuantifiedInterpolants, 9032 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1790 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 24 InterpolantComputations, 6 PerfectInterpolantSequences, 15652/40463 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - ProcedureContractResult [Line: 4]: Procedure Contract for reach_error Derived contract for procedure reach_error. Ensures: (0 && ((((__return_main == \old(__return_main)) && (__tmp_259_0 == \old(__tmp_259_0))) && (__return_305 == \old(__return_305))) && (__tmp_383_0 == \old(__tmp_383_0)))) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:11:20,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE