./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:28:44,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:28:44,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:28:44,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:28:44,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:28:44,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:28:44,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:28:44,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:28:44,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:28:44,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:28:44,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:28:44,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:28:44,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:28:44,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:28:44,725 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:28:44,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:28:44,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:28:44,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:28:44,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:28:44,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:28:44,728 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:28:44,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:28:44,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:28:44,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:28:44,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:28:44,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:28:44,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:28:44,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:28:44,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:28:44,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:28:44,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:28:44,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 [2024-11-07 20:28:45,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:28:45,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:28:45,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:28:45,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:28:45,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:28:45,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2024-11-07 20:28:46,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:28:46,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:28:46,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2024-11-07 20:28:46,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d20501c7/ead066d2c52d4283924ab11420a1157f/FLAG6a217a737 [2024-11-07 20:28:46,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7d20501c7/ead066d2c52d4283924ab11420a1157f [2024-11-07 20:28:46,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:28:46,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:28:46,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:28:46,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:28:46,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:28:46,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2955abdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46, skipping insertion in model container [2024-11-07 20:28:46,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:28:46,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:28:46,879 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:28:46,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:28:46,905 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:28:46,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46 WrapperNode [2024-11-07 20:28:46,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:28:46,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:28:46,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:28:46,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:28:46,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,934 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-07 20:28:46,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:28:46,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:28:46,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:28:46,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:28:46,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,954 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]. [2024-11-07 20:28:46,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:28:46,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:28:46,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:28:46,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:28:46,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (1/1) ... [2024-11-07 20:28:46,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:28:46,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:47,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:28:47,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:28:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:28:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:28:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:28:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:28:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:28:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:28:47,088 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:28:47,089 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:28:47,215 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-07 20:28:47,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:28:47,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:28:47,223 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:28:47,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:28:47 BoogieIcfgContainer [2024-11-07 20:28:47,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:28:47,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:28:47,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:28:47,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:28:47,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:28:46" (1/3) ... [2024-11-07 20:28:47,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cff5c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:28:47, skipping insertion in model container [2024-11-07 20:28:47,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:46" (2/3) ... [2024-11-07 20:28:47,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cff5c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:28:47, skipping insertion in model container [2024-11-07 20:28:47,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:28:47" (3/3) ... [2024-11-07 20:28:47,233 INFO L112 eAbstractionObserver]: Analyzing ICFG freire1_valuebound50.c [2024-11-07 20:28:47,246 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:28:47,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 20:28:47,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:28:47,310 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;@11344379, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:28:47,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 20:28:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 20 states have (on average 1.55) internal successors, (31), 26 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:28:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:28:47,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:47,324 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:28:47,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:47,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:47,330 INFO L85 PathProgramCache]: Analyzing trace with hash 889508859, now seen corresponding path program 1 times [2024-11-07 20:28:47,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:47,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579402147] [2024-11-07 20:28:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:28:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:28:47,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:28:47,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579402147] [2024-11-07 20:28:47,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579402147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:28:47,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:28:47,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:28:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922927074] [2024-11-07 20:28:47,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:28:47,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:28:47,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:28:47,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:28:47,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:28:47,486 INFO L87 Difference]: Start difference. First operand has 30 states, 20 states have (on average 1.55) internal successors, (31), 26 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-07 20:28:47,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:28:47,503 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2024-11-07 20:28:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:28:47,505 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-07 20:28:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:28:47,511 INFO L225 Difference]: With dead ends: 54 [2024-11-07 20:28:47,512 INFO L226 Difference]: Without dead ends: 21 [2024-11-07 20:28:47,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:28:47,519 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:28:47,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:28:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-07 20:28:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-07 20:28:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:28:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-07 20:28:47,556 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 6 [2024-11-07 20:28:47,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:28:47,556 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-07 20:28:47,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-07 20:28:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-07 20:28:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:28:47,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:47,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:28:47,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:28:47,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:47,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:47,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1806819342, now seen corresponding path program 1 times [2024-11-07 20:28:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:47,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981424525] [2024-11-07 20:28:47,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:47,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:28:47,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067556380] [2024-11-07 20:28:47,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:47,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:47,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:47,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:28:47,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 20:28:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:28:47,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:28:47,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:28:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:28:47,693 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:28:47,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:28:47,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981424525] [2024-11-07 20:28:47,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:28:47,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067556380] [2024-11-07 20:28:47,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067556380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:28:47,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:28:47,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:28:47,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948465886] [2024-11-07 20:28:47,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:28:47,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:28:47,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:28:47,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:28:47,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:28:47,697 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:28:47,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:28:47,738 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2024-11-07 20:28:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:28:47,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 20:28:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:28:47,739 INFO L225 Difference]: With dead ends: 34 [2024-11-07 20:28:47,739 INFO L226 Difference]: Without dead ends: 28 [2024-11-07 20:28:47,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:28:47,740 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:28:47,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:28:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-07 20:28:47,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-07 20:28:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 24 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:28:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-11-07 20:28:47,748 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 7 [2024-11-07 20:28:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:28:47,749 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-07 20:28:47,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:28:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-07 20:28:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 20:28:47,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:47,751 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:28:47,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:28:47,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:47,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:47,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:47,954 INFO L85 PathProgramCache]: Analyzing trace with hash 888630314, now seen corresponding path program 1 times [2024-11-07 20:28:47,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:47,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920451467] [2024-11-07 20:28:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:47,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:28:47,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273884491] [2024-11-07 20:28:47,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:47,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:47,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:47,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:28:47,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 20:28:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:28:48,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:28:48,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:28:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:28:48,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:28:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:28:48,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:28:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920451467] [2024-11-07 20:28:48,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:28:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273884491] [2024-11-07 20:28:48,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273884491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:28:48,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:28:48,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-07 20:28:48,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122785669] [2024-11-07 20:28:48,215 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:28:48,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:28:48,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:28:48,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:28:48,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:28:48,219 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:28:48,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:28:48,324 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2024-11-07 20:28:48,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:28:48,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-11-07 20:28:48,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:28:48,326 INFO L225 Difference]: With dead ends: 50 [2024-11-07 20:28:48,326 INFO L226 Difference]: Without dead ends: 40 [2024-11-07 20:28:48,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:28:48,327 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 19 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:28:48,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 41 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:28:48,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-07 20:28:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-07 20:28:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:28:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2024-11-07 20:28:48,337 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 18 [2024-11-07 20:28:48,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:28:48,338 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-11-07 20:28:48,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:28:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2024-11-07 20:28:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 20:28:48,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:48,341 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-07 20:28:48,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:28:48,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:48,546 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:48,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash 860302606, now seen corresponding path program 2 times [2024-11-07 20:28:48,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:48,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502327726] [2024-11-07 20:28:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:28:48,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137358392] [2024-11-07 20:28:48,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:28:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:48,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:48,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:28:48,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 20:28:48,659 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:28:48,659 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:28:48,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:28:48,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:28:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:28:48,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:28:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:28:48,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:28:48,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502327726] [2024-11-07 20:28:48,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:28:48,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137358392] [2024-11-07 20:28:48,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137358392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:28:48,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:28:48,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-07 20:28:48,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576431450] [2024-11-07 20:28:48,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:28:48,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:28:48,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:28:48,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:28:48,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:28:48,975 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:28:49,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:28:49,252 INFO L93 Difference]: Finished difference Result 83 states and 97 transitions. [2024-11-07 20:28:49,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:28:49,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 51 [2024-11-07 20:28:49,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:28:49,253 INFO L225 Difference]: With dead ends: 83 [2024-11-07 20:28:49,253 INFO L226 Difference]: Without dead ends: 82 [2024-11-07 20:28:49,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:28:49,254 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 21 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:28:49,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 127 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:28:49,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-07 20:28:49,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-07 20:28:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 70 states have (on average 1.0142857142857142) internal successors, (71), 70 states have internal predecessors, (71), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:28:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2024-11-07 20:28:49,267 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 51 [2024-11-07 20:28:49,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:28:49,268 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2024-11-07 20:28:49,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:28:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2024-11-07 20:28:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-07 20:28:49,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:49,271 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-07 20:28:49,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:28:49,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:49,472 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:49,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1105989774, now seen corresponding path program 3 times [2024-11-07 20:28:49,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:49,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016161778] [2024-11-07 20:28:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:28:49,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449900884] [2024-11-07 20:28:49,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:28:49,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:49,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:49,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:28:49,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 20:28:49,644 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-07 20:28:49,644 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:28:49,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 20:28:49,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:28:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:28:49,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:28:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:28:50,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:28:50,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016161778] [2024-11-07 20:28:50,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:28:50,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449900884] [2024-11-07 20:28:50,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449900884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:28:50,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:28:50,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-07 20:28:50,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064642817] [2024-11-07 20:28:50,424 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:28:50,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:28:50,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:28:50,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:28:50,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:28:50,430 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand has 24 states, 23 states have (on average 5.826086956521739) internal successors, (134), 24 states have internal predecessors, (134), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:28:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:28:51,368 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-07 20:28:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 20:28:51,369 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.826086956521739) internal successors, (134), 24 states have internal predecessors, (134), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 117 [2024-11-07 20:28:51,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:28:51,372 INFO L225 Difference]: With dead ends: 167 [2024-11-07 20:28:51,373 INFO L226 Difference]: Without dead ends: 166 [2024-11-07 20:28:51,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 20:28:51,376 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 36 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:28:51,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 469 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:28:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-07 20:28:51,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-07 20:28:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 142 states have (on average 1.0070422535211268) internal successors, (143), 142 states have internal predecessors, (143), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 20:28:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 187 transitions. [2024-11-07 20:28:51,405 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 187 transitions. Word has length 117 [2024-11-07 20:28:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:28:51,408 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 187 transitions. [2024-11-07 20:28:51,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.826086956521739) internal successors, (134), 24 states have internal predecessors, (134), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:28:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 187 transitions. [2024-11-07 20:28:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-07 20:28:51,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:51,416 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-07 20:28:51,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:28:51,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:51,617 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:51,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:51,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1244055666, now seen corresponding path program 4 times [2024-11-07 20:28:51,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:51,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035977705] [2024-11-07 20:28:51,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:51,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:28:51,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108435647] [2024-11-07 20:28:51,758 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:28:51,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:51,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:51,760 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:28:51,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 20:28:51,870 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:28:51,871 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:28:51,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-07 20:28:51,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:28:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:28:52,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:28:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:28:53,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:28:53,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035977705] [2024-11-07 20:28:53,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:28:53,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108435647] [2024-11-07 20:28:53,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108435647] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:28:53,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:28:53,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-11-07 20:28:53,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951720860] [2024-11-07 20:28:53,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:28:53,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-07 20:28:53,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:28:53,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-07 20:28:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:28:53,742 INFO L87 Difference]: Start difference. First operand 166 states and 187 transitions. Second operand has 48 states, 47 states have (on average 5.914893617021277) internal successors, (278), 48 states have internal predecessors, (278), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 20:28:56,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:28:56,884 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2024-11-07 20:28:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-07 20:28:56,885 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.914893617021277) internal successors, (278), 48 states have internal predecessors, (278), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 249 [2024-11-07 20:28:56,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:28:56,888 INFO L225 Difference]: With dead ends: 335 [2024-11-07 20:28:56,888 INFO L226 Difference]: Without dead ends: 334 [2024-11-07 20:28:56,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-11-07 20:28:56,891 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 75 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 2830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:28:56,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1829 Invalid, 2830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2805 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 20:28:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-07 20:28:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2024-11-07 20:28:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 286 states have (on average 1.0034965034965035) internal successors, (287), 286 states have internal predecessors, (287), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 20:28:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 379 transitions. [2024-11-07 20:28:56,925 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 379 transitions. Word has length 249 [2024-11-07 20:28:56,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:28:56,926 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 379 transitions. [2024-11-07 20:28:56,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.914893617021277) internal successors, (278), 48 states have internal predecessors, (278), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 20:28:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 379 transitions. [2024-11-07 20:28:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-11-07 20:28:56,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:28:56,938 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2024-11-07 20:28:56,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:28:57,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:57,139 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:28:57,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:28:57,139 INFO L85 PathProgramCache]: Analyzing trace with hash 543229326, now seen corresponding path program 5 times [2024-11-07 20:28:57,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:28:57,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985400749] [2024-11-07 20:28:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:28:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:28:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:28:57,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379394568] [2024-11-07 20:28:57,367 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:28:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:28:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:28:57,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:28:57,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 20:28:57,644 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-07 20:28:57,645 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:28:57,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-07 20:28:57,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:28:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11523 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 20:28:58,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:29:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11523 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 20:29:02,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:29:02,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985400749] [2024-11-07 20:29:02,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:29:02,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379394568] [2024-11-07 20:29:02,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379394568] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:29:02,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:29:02,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-11-07 20:29:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295867849] [2024-11-07 20:29:02,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:29:02,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-07 20:29:02,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:29:02,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-07 20:29:02,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-11-07 20:29:02,340 INFO L87 Difference]: Start difference. First operand 334 states and 379 transitions. Second operand has 96 states, 95 states have (on average 5.957894736842105) internal successors, (566), 96 states have internal predecessors, (566), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-07 20:29:15,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:29:15,220 INFO L93 Difference]: Finished difference Result 671 states and 811 transitions. [2024-11-07 20:29:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-07 20:29:15,222 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.957894736842105) internal successors, (566), 96 states have internal predecessors, (566), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 513 [2024-11-07 20:29:15,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:29:15,226 INFO L225 Difference]: With dead ends: 671 [2024-11-07 20:29:15,226 INFO L226 Difference]: Without dead ends: 670 [2024-11-07 20:29:15,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1070 GetRequests, 930 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2024-11-07 20:29:15,231 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 147 mSDsluCounter, 6965 mSDsCounter, 0 mSdLazyCounter, 11375 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 7161 SdHoareTripleChecker+Invalid, 11424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 11375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:29:15,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 7161 Invalid, 11424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 11375 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 20:29:15,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-07 20:29:15,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2024-11-07 20:29:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 574 states have (on average 1.0017421602787457) internal successors, (575), 574 states have internal predecessors, (575), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-07 20:29:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 763 transitions. [2024-11-07 20:29:15,278 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 763 transitions. Word has length 513 [2024-11-07 20:29:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:29:15,279 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 763 transitions. [2024-11-07 20:29:15,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.957894736842105) internal successors, (566), 96 states have internal predecessors, (566), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-07 20:29:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 763 transitions. [2024-11-07 20:29:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1042 [2024-11-07 20:29:15,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:29:15,307 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2024-11-07 20:29:15,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:29:15,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-07 20:29:15,508 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:29:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:29:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1361486222, now seen corresponding path program 6 times [2024-11-07 20:29:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:29:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060324472] [2024-11-07 20:29:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:29:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:29:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:29:15,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551352095] [2024-11-07 20:29:15,828 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:29:15,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:29:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:29:15,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:29:15,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 20:29:16,729 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-07 20:29:16,729 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:29:16,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-07 20:29:16,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:29:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 48363 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 17484 trivial. 0 not checked. [2024-11-07 20:29:20,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:29:20,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:29:20,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060324472] [2024-11-07 20:29:20,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:29:20,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551352095] [2024-11-07 20:29:20,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551352095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:29:20,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:29:20,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2024-11-07 20:29:20,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483894286] [2024-11-07 20:29:20,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:29:20,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-11-07 20:29:20,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:29:20,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-11-07 20:29:20,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4771, Invalid=5531, Unknown=0, NotChecked=0, Total=10302 [2024-11-07 20:29:20,896 INFO L87 Difference]: Start difference. First operand 670 states and 763 transitions. Second operand has 98 states, 97 states have (on average 5.917525773195877) internal successors, (574), 98 states have internal predecessors, (574), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-07 20:29:26,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:29:26,408 INFO L93 Difference]: Finished difference Result 682 states and 777 transitions. [2024-11-07 20:29:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-11-07 20:29:26,409 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 5.917525773195877) internal successors, (574), 98 states have internal predecessors, (574), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 1041 [2024-11-07 20:29:26,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:29:26,415 INFO L225 Difference]: With dead ends: 682 [2024-11-07 20:29:26,415 INFO L226 Difference]: Without dead ends: 681 [2024-11-07 20:29:26,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1152 GetRequests, 958 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4751 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=14359, Invalid=23861, Unknown=0, NotChecked=0, Total=38220 [2024-11-07 20:29:26,421 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 473 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:29:26,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 247 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:29:26,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-07 20:29:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 677. [2024-11-07 20:29:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 580 states have (on average 1.0017241379310344) internal successors, (581), 580 states have internal predecessors, (581), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-07 20:29:26,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 771 transitions. [2024-11-07 20:29:26,469 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 771 transitions. Word has length 1041 [2024-11-07 20:29:26,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:29:26,470 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 771 transitions. [2024-11-07 20:29:26,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 5.917525773195877) internal successors, (574), 98 states have internal predecessors, (574), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-07 20:29:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 771 transitions. [2024-11-07 20:29:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2024-11-07 20:29:26,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:29:26,481 INFO L215 NwaCegarLoop]: trace histogram [96, 96, 95, 95, 95, 95, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1] [2024-11-07 20:29:26,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:29:26,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:29:26,682 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:29:26,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:29:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash -444417366, now seen corresponding path program 7 times [2024-11-07 20:29:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:29:26,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588622317] [2024-11-07 20:29:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:29:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:29:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:29:26,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464765524] [2024-11-07 20:29:26,915 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 20:29:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:29:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:29:26,917 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:29:26,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 20:29:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:29:27,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 1646 conjuncts, 193 conjuncts are in the unsatisfiable core [2024-11-07 20:29:27,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:29:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 49400 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2024-11-07 20:29:30,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:29:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 49400 backedges. 0 proven. 31540 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2024-11-07 20:29:43,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:29:43,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588622317] [2024-11-07 20:29:43,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:29:43,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464765524] [2024-11-07 20:29:43,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464765524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:29:43,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:29:43,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 193 [2024-11-07 20:29:43,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128274257] [2024-11-07 20:29:43,689 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:29:43,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-11-07 20:29:43,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:29:43,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-11-07 20:29:43,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9601, Invalid=27841, Unknown=0, NotChecked=0, Total=37442 [2024-11-07 20:29:43,702 INFO L87 Difference]: Start difference. First operand 677 states and 771 transitions. Second operand has 194 states, 193 states have (on average 5.979274611398964) internal successors, (1154), 194 states have internal predecessors, (1154), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190)