./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.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/array-multidimensional/init-non-constant-3-u.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', 'df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172'] 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/array-multidimensional/init-non-constant-3-u.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 df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:46:44,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:46:44,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 19:46:44,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:46:44,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:46:44,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:46:44,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:46:44,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:46:44,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:46:44,409 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:46:44,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:46:44,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:46:44,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:46:44,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:46:44,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:46:44,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 19:46:44,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:46:44,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:46:44,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:46:44,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:46:44,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:46:44,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:46:44,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:46:44,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:46:44,414 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 -> df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 [2024-11-07 19:46:44,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:46:44,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:46:44,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:46:44,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:46:44,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:46:44,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2024-11-07 19:46:45,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:46:45,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:46:45,907 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2024-11-07 19:46:45,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea03ec930/098a98bbc51246debbd0da2709750ee6/FLAGb68c17561 [2024-11-07 19:46:46,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea03ec930/098a98bbc51246debbd0da2709750ee6 [2024-11-07 19:46:46,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:46:46,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:46:46,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:46:46,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:46:46,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:46:46,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c83536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46, skipping insertion in model container [2024-11-07 19:46:46,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:46:46,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:46:46,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:46:46,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:46:46,453 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:46:46,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46 WrapperNode [2024-11-07 19:46:46,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:46:46,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:46:46,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:46:46,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:46:46,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,482 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-07 19:46:46,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:46:46,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:46:46,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:46:46,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:46:46,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,506 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-07 19:46:46,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:46:46,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:46:46,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:46:46,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:46:46,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (1/1) ... [2024-11-07 19:46:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:46:46,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:46,553 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 19:46:46,556 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 19:46:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:46:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:46:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 19:46:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 19:46:46,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:46:46,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:46:46,799 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-07 19:46:46,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:46:46,807 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:46:46,808 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-07 19:46:46,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:46 BoogieIcfgContainer [2024-11-07 19:46:46,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:46:46,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:46:46,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:46:46,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:46:46,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:46:46" (1/3) ... [2024-11-07 19:46:46,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd67e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:46:46, skipping insertion in model container [2024-11-07 19:46:46,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:46:46" (2/3) ... [2024-11-07 19:46:46,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd67e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:46:46, skipping insertion in model container [2024-11-07 19:46:46,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:46:46" (3/3) ... [2024-11-07 19:46:46,815 INFO L112 eAbstractionObserver]: Analyzing ICFG init-non-constant-3-u.c [2024-11-07 19:46:46,826 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:46:46,827 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-07 19:46:46,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:46:46,877 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;@6d5201d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:46:46,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-07 19:46:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 56 states have internal predecessors, (69), 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 19:46:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 19:46:46,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:46,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 19:46:46,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:46,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:46,890 INFO L85 PathProgramCache]: Analyzing trace with hash 28699914, now seen corresponding path program 1 times [2024-11-07 19:46:46,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:46,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663866928] [2024-11-07 19:46:46,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:46,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:47,084 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 19:46:47,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:47,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663866928] [2024-11-07 19:46:47,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663866928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:46:47,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:46:47,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:46:47,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735600679] [2024-11-07 19:46:47,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:46:47,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:46:47,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:47,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:46:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:46:47,103 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:47,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:47,225 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2024-11-07 19:46:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:46:47,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-07 19:46:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:47,235 INFO L225 Difference]: With dead ends: 138 [2024-11-07 19:46:47,235 INFO L226 Difference]: Without dead ends: 77 [2024-11-07 19:46:47,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:46:47,240 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 90 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:47,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 55 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:46:47,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-07 19:46:47,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2024-11-07 19:46:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.7358490566037736) internal successors, (92), 72 states have internal predecessors, (92), 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 19:46:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-07 19:46:47,271 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 5 [2024-11-07 19:46:47,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:47,272 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-07 19:46:47,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2024-11-07 19:46:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 19:46:47,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:47,273 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 19:46:47,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:46:47,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:47,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2024-11-07 19:46:47,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:47,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209738598] [2024-11-07 19:46:47,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:47,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:47,357 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 19:46:47,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:47,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209738598] [2024-11-07 19:46:47,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209738598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:46:47,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:46:47,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:46:47,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077174046] [2024-11-07 19:46:47,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:46:47,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:46:47,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:47,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:46:47,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:46:47,359 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 19:46:47,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:47,459 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2024-11-07 19:46:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:46:47,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 19:46:47,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:47,462 INFO L225 Difference]: With dead ends: 143 [2024-11-07 19:46:47,462 INFO L226 Difference]: Without dead ends: 135 [2024-11-07 19:46:47,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:46:47,463 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 87 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:47,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 65 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:46:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-07 19:46:47,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 123. [2024-11-07 19:46:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 103 states have (on average 1.6796116504854368) internal successors, (173), 122 states have internal predecessors, (173), 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 19:46:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 173 transitions. [2024-11-07 19:46:47,478 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 173 transitions. Word has length 6 [2024-11-07 19:46:47,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:47,478 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 173 transitions. [2024-11-07 19:46:47,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 19:46:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 173 transitions. [2024-11-07 19:46:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 19:46:47,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:47,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:47,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:46:47,479 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:47,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:47,479 INFO L85 PathProgramCache]: Analyzing trace with hash 301838767, now seen corresponding path program 1 times [2024-11-07 19:46:47,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:47,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439390819] [2024-11-07 19:46:47,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:47,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:47,576 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 19:46:47,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:47,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439390819] [2024-11-07 19:46:47,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439390819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:46:47,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:46:47,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:46:47,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030587641] [2024-11-07 19:46:47,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:46:47,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:46:47,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:47,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:46:47,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:46:47,579 INFO L87 Difference]: Start difference. First operand 123 states and 173 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:47,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:47,755 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2024-11-07 19:46:47,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:46:47,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 19:46:47,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:47,756 INFO L225 Difference]: With dead ends: 159 [2024-11-07 19:46:47,756 INFO L226 Difference]: Without dead ends: 151 [2024-11-07 19:46:47,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:46:47,757 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 84 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:47,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 67 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 19:46:47,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-07 19:46:47,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 139. [2024-11-07 19:46:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 119 states have (on average 1.6050420168067228) internal successors, (191), 138 states have internal predecessors, (191), 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 19:46:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 191 transitions. [2024-11-07 19:46:47,770 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 191 transitions. Word has length 8 [2024-11-07 19:46:47,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:47,770 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 191 transitions. [2024-11-07 19:46:47,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2024-11-07 19:46:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 19:46:47,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:47,770 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:47,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:46:47,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:47,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2033692235, now seen corresponding path program 1 times [2024-11-07 19:46:47,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:47,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995000058] [2024-11-07 19:46:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:46:47,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:47,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995000058] [2024-11-07 19:46:47,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995000058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:46:47,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:46:47,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:46:47,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359080148] [2024-11-07 19:46:47,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:46:47,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:46:47,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:46:47,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:46:47,827 INFO L87 Difference]: Start difference. First operand 139 states and 191 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:47,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:47,893 INFO L93 Difference]: Finished difference Result 312 states and 447 transitions. [2024-11-07 19:46:47,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:46:47,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-07 19:46:47,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:47,895 INFO L225 Difference]: With dead ends: 312 [2024-11-07 19:46:47,895 INFO L226 Difference]: Without dead ends: 191 [2024-11-07 19:46:47,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:46:47,898 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 71 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:47,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 66 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:46:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-07 19:46:47,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-07 19:46:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 167 states have (on average 1.562874251497006) internal successors, (261), 186 states have internal predecessors, (261), 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 19:46:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 261 transitions. [2024-11-07 19:46:47,914 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 261 transitions. Word has length 10 [2024-11-07 19:46:47,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:47,914 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 261 transitions. [2024-11-07 19:46:47,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 261 transitions. [2024-11-07 19:46:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 19:46:47,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:47,915 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:47,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:46:47,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:47,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:47,916 INFO L85 PathProgramCache]: Analyzing trace with hash 744162266, now seen corresponding path program 1 times [2024-11-07 19:46:47,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:47,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386721701] [2024-11-07 19:46:47,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:47,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:48,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:48,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386721701] [2024-11-07 19:46:48,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386721701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:48,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282636692] [2024-11-07 19:46:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:48,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:48,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:48,028 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 19:46:48,029 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 19:46:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:48,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:46:48,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:48,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:46:48,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282636692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:46:48,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:46:48,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-07 19:46:48,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888297495] [2024-11-07 19:46:48,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:46:48,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:46:48,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:48,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:46:48,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:46:48,193 INFO L87 Difference]: Start difference. First operand 187 states and 261 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 19:46:48,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:48,282 INFO L93 Difference]: Finished difference Result 187 states and 261 transitions. [2024-11-07 19:46:48,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:46:48,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2024-11-07 19:46:48,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:48,283 INFO L225 Difference]: With dead ends: 187 [2024-11-07 19:46:48,283 INFO L226 Difference]: Without dead ends: 177 [2024-11-07 19:46:48,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:46:48,285 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 60 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:48,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 10 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:46:48,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-07 19:46:48,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-07 19:46:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 167 states have (on average 1.3233532934131738) internal successors, (221), 176 states have internal predecessors, (221), 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 19:46:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 221 transitions. [2024-11-07 19:46:48,303 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 221 transitions. Word has length 15 [2024-11-07 19:46:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:48,303 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 221 transitions. [2024-11-07 19:46:48,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 19:46:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 221 transitions. [2024-11-07 19:46:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 19:46:48,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:48,304 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:48,316 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 19:46:48,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:48,508 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:48,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1594193833, now seen corresponding path program 1 times [2024-11-07 19:46:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:48,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162182888] [2024-11-07 19:46:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:48,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:48,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162182888] [2024-11-07 19:46:48,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162182888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:48,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869703171] [2024-11-07 19:46:48,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:48,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:48,602 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 19:46:48,603 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 19:46:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:48,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:46:48,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:48,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:48,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869703171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:48,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:48,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-07 19:46:48,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318297497] [2024-11-07 19:46:48,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:48,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 19:46:48,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:48,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 19:46:48,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-07 19:46:48,837 INFO L87 Difference]: Start difference. First operand 177 states and 221 transitions. Second operand has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 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 19:46:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:49,354 INFO L93 Difference]: Finished difference Result 369 states and 464 transitions. [2024-11-07 19:46:49,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 19:46:49,354 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 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 16 [2024-11-07 19:46:49,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:49,356 INFO L225 Difference]: With dead ends: 369 [2024-11-07 19:46:49,356 INFO L226 Difference]: Without dead ends: 359 [2024-11-07 19:46:49,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=386, Unknown=0, NotChecked=0, Total=600 [2024-11-07 19:46:49,357 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 602 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:49,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 56 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 19:46:49,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-07 19:46:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 349. [2024-11-07 19:46:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 339 states have (on average 1.2684365781710913) internal successors, (430), 348 states have internal predecessors, (430), 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 19:46:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 430 transitions. [2024-11-07 19:46:49,376 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 430 transitions. Word has length 16 [2024-11-07 19:46:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:49,376 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 430 transitions. [2024-11-07 19:46:49,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 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 19:46:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 430 transitions. [2024-11-07 19:46:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-07 19:46:49,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:49,378 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-07 19:46:49,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 19:46:49,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:49,582 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:49,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:49,583 INFO L85 PathProgramCache]: Analyzing trace with hash -985227758, now seen corresponding path program 1 times [2024-11-07 19:46:49,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:49,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935025801] [2024-11-07 19:46:49,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:49,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 19:46:49,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:49,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935025801] [2024-11-07 19:46:49,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935025801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:49,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838113652] [2024-11-07 19:46:49,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:49,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:49,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:49,657 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 19:46:49,660 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 19:46:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:49,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 19:46:49,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 19:46:49,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 19:46:49,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838113652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:49,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 19:46:49,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243564481] [2024-11-07 19:46:49,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:49,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 19:46:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:49,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 19:46:49,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:46:49,802 INFO L87 Difference]: Start difference. First operand 349 states and 430 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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 19:46:49,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:49,968 INFO L93 Difference]: Finished difference Result 858 states and 1103 transitions. [2024-11-07 19:46:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:46:49,969 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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 29 [2024-11-07 19:46:49,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:49,971 INFO L225 Difference]: With dead ends: 858 [2024-11-07 19:46:49,971 INFO L226 Difference]: Without dead ends: 541 [2024-11-07 19:46:49,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:46:49,973 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 137 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:49,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 113 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:46:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-07 19:46:49,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 535. [2024-11-07 19:46:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 525 states have (on average 1.2495238095238095) internal successors, (656), 534 states have internal predecessors, (656), 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 19:46:49,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 656 transitions. [2024-11-07 19:46:49,998 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 656 transitions. Word has length 29 [2024-11-07 19:46:49,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:49,998 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 656 transitions. [2024-11-07 19:46:49,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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 19:46:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 656 transitions. [2024-11-07 19:46:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 19:46:49,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:49,999 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-07 19:46:50,012 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 19:46:50,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:50,205 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:50,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:50,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1954481237, now seen corresponding path program 1 times [2024-11-07 19:46:50,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:50,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427876295] [2024-11-07 19:46:50,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:50,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 19:46:50,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:50,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427876295] [2024-11-07 19:46:50,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427876295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:50,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020720464] [2024-11-07 19:46:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:50,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:50,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:50,275 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 19:46:50,276 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 19:46:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:50,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:46:50,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:50,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:46:50,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020720464] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:50,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:50,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 11 [2024-11-07 19:46:50,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798722552] [2024-11-07 19:46:50,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:50,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 19:46:50,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:50,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 19:46:50,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:46:50,441 INFO L87 Difference]: Start difference. First operand 535 states and 656 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:50,609 INFO L93 Difference]: Finished difference Result 655 states and 816 transitions. [2024-11-07 19:46:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 19:46:50,609 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-07 19:46:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:50,613 INFO L225 Difference]: With dead ends: 655 [2024-11-07 19:46:50,616 INFO L226 Difference]: Without dead ends: 653 [2024-11-07 19:46:50,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=177, Unknown=0, NotChecked=0, Total=306 [2024-11-07 19:46:50,618 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 215 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:50,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 101 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:46:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-07 19:46:50,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 533. [2024-11-07 19:46:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 525 states have (on average 1.2) internal successors, (630), 532 states have internal predecessors, (630), 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 19:46:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2024-11-07 19:46:50,649 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 32 [2024-11-07 19:46:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:50,649 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2024-11-07 19:46:50,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:46:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2024-11-07 19:46:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 19:46:50,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:50,651 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:50,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 19:46:50,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-07 19:46:50,852 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:50,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:50,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1000260707, now seen corresponding path program 1 times [2024-11-07 19:46:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:50,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235216277] [2024-11-07 19:46:50,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:50,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:46:50,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235216277] [2024-11-07 19:46:50,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235216277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:50,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402957676] [2024-11-07 19:46:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:50,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:50,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:51,001 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 19:46:51,002 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 19:46:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:51,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 19:46:51,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:46:51,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:46:51,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402957676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:51,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:51,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-11-07 19:46:51,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626532911] [2024-11-07 19:46:51,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:51,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 19:46:51,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:51,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 19:46:51,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2024-11-07 19:46:51,295 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 19 states have internal predecessors, (106), 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 19:46:51,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:51,558 INFO L93 Difference]: Finished difference Result 1723 states and 2101 transitions. [2024-11-07 19:46:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 19:46:51,558 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 19 states have internal predecessors, (106), 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 55 [2024-11-07 19:46:51,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:51,562 INFO L225 Difference]: With dead ends: 1723 [2024-11-07 19:46:51,563 INFO L226 Difference]: Without dead ends: 1223 [2024-11-07 19:46:51,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2024-11-07 19:46:51,566 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 388 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:51,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 177 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 19:46:51,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-07 19:46:51,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1205. [2024-11-07 19:46:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1197 states have (on average 1.1879699248120301) internal successors, (1422), 1204 states have internal predecessors, (1422), 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 19:46:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1422 transitions. [2024-11-07 19:46:51,611 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1422 transitions. Word has length 55 [2024-11-07 19:46:51,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:51,611 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1422 transitions. [2024-11-07 19:46:51,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 19 states have internal predecessors, (106), 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 19:46:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1422 transitions. [2024-11-07 19:46:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-07 19:46:51,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:51,613 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:51,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 19:46:51,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:51,814 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:51,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:51,814 INFO L85 PathProgramCache]: Analyzing trace with hash 75467453, now seen corresponding path program 2 times [2024-11-07 19:46:51,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:51,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054609563] [2024-11-07 19:46:51,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:51,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-07 19:46:52,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:52,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054609563] [2024-11-07 19:46:52,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054609563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:52,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077383332] [2024-11-07 19:46:52,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:46:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:52,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:52,030 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 19:46:52,031 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 19:46:52,076 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:46:52,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:46:52,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:46:52,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 153 proven. 48 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-11-07 19:46:52,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-11-07 19:46:52,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077383332] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:52,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:52,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 13 [2024-11-07 19:46:52,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840514472] [2024-11-07 19:46:52,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:52,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 19:46:52,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 19:46:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-07 19:46:52,482 INFO L87 Difference]: Start difference. First operand 1205 states and 1422 transitions. Second operand has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 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 19:46:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:53,214 INFO L93 Difference]: Finished difference Result 1405 states and 1647 transitions. [2024-11-07 19:46:53,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 19:46:53,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 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 97 [2024-11-07 19:46:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:53,220 INFO L225 Difference]: With dead ends: 1405 [2024-11-07 19:46:53,220 INFO L226 Difference]: Without dead ends: 1401 [2024-11-07 19:46:53,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=574, Invalid=1406, Unknown=0, NotChecked=0, Total=1980 [2024-11-07 19:46:53,223 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 411 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:53,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 60 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 19:46:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-11-07 19:46:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1249. [2024-11-07 19:46:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1241 states have (on average 1.1506849315068493) internal successors, (1428), 1248 states have internal predecessors, (1428), 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 19:46:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1428 transitions. [2024-11-07 19:46:53,263 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1428 transitions. Word has length 97 [2024-11-07 19:46:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1428 transitions. [2024-11-07 19:46:53,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 14 states have internal predecessors, (86), 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 19:46:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1428 transitions. [2024-11-07 19:46:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 19:46:53,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:53,266 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:53,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 19:46:53,470 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,SelfDestructingSolverStorable9 [2024-11-07 19:46:53,471 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:53,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1741193828, now seen corresponding path program 1 times [2024-11-07 19:46:53,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:53,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121084687] [2024-11-07 19:46:53,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:53,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 905 trivial. 0 not checked. [2024-11-07 19:46:53,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:53,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121084687] [2024-11-07 19:46:53,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121084687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:46:53,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:46:53,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:46:53,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500390321] [2024-11-07 19:46:53,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:46:53,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:46:53,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:53,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:46:53,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:46:53,566 INFO L87 Difference]: Start difference. First operand 1249 states and 1428 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19:46:53,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:53,634 INFO L93 Difference]: Finished difference Result 2112 states and 2410 transitions. [2024-11-07 19:46:53,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:46:53,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 141 [2024-11-07 19:46:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:53,638 INFO L225 Difference]: With dead ends: 2112 [2024-11-07 19:46:53,638 INFO L226 Difference]: Without dead ends: 1249 [2024-11-07 19:46:53,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:46:53,639 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:53,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 46 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:46:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2024-11-07 19:46:53,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2024-11-07 19:46:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1241 states have (on average 1.1498791297340853) internal successors, (1427), 1248 states have internal predecessors, (1427), 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 19:46:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1427 transitions. [2024-11-07 19:46:53,673 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1427 transitions. Word has length 141 [2024-11-07 19:46:53,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:53,673 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1427 transitions. [2024-11-07 19:46:53,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19:46:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1427 transitions. [2024-11-07 19:46:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 19:46:53,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:53,675 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:53,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 19:46:53,675 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:53,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1274936571, now seen corresponding path program 1 times [2024-11-07 19:46:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787083642] [2024-11-07 19:46:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 759 proven. 1 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2024-11-07 19:46:53,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:53,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787083642] [2024-11-07 19:46:53,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787083642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:53,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891357137] [2024-11-07 19:46:53,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:53,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:53,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:53,804 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 19:46:53,805 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 19:46:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:53,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 19:46:53,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 756 proven. 325 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-07 19:46:54,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 756 proven. 325 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-07 19:46:54,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891357137] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:54,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14, 14] total 28 [2024-11-07 19:46:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838651528] [2024-11-07 19:46:54,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:54,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 19:46:54,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 19:46:54,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=446, Unknown=0, NotChecked=0, Total=756 [2024-11-07 19:46:54,360 INFO L87 Difference]: Start difference. First operand 1249 states and 1427 transitions. Second operand has 28 states, 28 states have (on average 6.357142857142857) internal successors, (178), 28 states have internal predecessors, (178), 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 19:46:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:55,865 INFO L93 Difference]: Finished difference Result 4556 states and 5421 transitions. [2024-11-07 19:46:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-07 19:46:55,866 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.357142857142857) internal successors, (178), 28 states have internal predecessors, (178), 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 159 [2024-11-07 19:46:55,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:55,875 INFO L225 Difference]: With dead ends: 4556 [2024-11-07 19:46:55,875 INFO L226 Difference]: Without dead ends: 3311 [2024-11-07 19:46:55,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2483, Invalid=4489, Unknown=0, NotChecked=0, Total=6972 [2024-11-07 19:46:55,879 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 3391 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:55,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3391 Valid, 116 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 19:46:55,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2024-11-07 19:46:55,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 2396. [2024-11-07 19:46:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2388 states have (on average 1.1474036850921272) internal successors, (2740), 2395 states have internal predecessors, (2740), 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 19:46:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 2740 transitions. [2024-11-07 19:46:55,939 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 2740 transitions. Word has length 159 [2024-11-07 19:46:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:55,939 INFO L471 AbstractCegarLoop]: Abstraction has 2396 states and 2740 transitions. [2024-11-07 19:46:55,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.357142857142857) internal successors, (178), 28 states have internal predecessors, (178), 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 19:46:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2740 transitions. [2024-11-07 19:46:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2024-11-07 19:46:55,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:55,943 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 66, 66, 66, 66, 66, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:55,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 19:46:56,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:56,144 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:56,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:56,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1347167652, now seen corresponding path program 2 times [2024-11-07 19:46:56,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:56,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195116934] [2024-11-07 19:46:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:56,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:46:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 6938 proven. 1639 refuted. 0 times theorem prover too weak. 6857 trivial. 0 not checked. [2024-11-07 19:46:57,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:46:57,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195116934] [2024-11-07 19:46:57,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195116934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:46:57,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697556762] [2024-11-07 19:46:57,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:46:57,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:46:57,584 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 19:46:57,585 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 19:46:57,682 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:46:57,682 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:46:57,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 19:46:57,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:46:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 6876 proven. 201 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2024-11-07 19:46:58,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:46:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2024-11-07 19:46:58,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697556762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:46:58,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:46:58,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 4, 4] total 32 [2024-11-07 19:46:58,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496034301] [2024-11-07 19:46:58,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:46:58,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-07 19:46:58,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:46:58,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-07 19:46:58,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=672, Unknown=0, NotChecked=0, Total=992 [2024-11-07 19:46:58,691 INFO L87 Difference]: Start difference. First operand 2396 states and 2740 transitions. Second operand has 32 states, 32 states have (on average 7.46875) internal successors, (239), 32 states have internal predecessors, (239), 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 19:46:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:46:59,622 INFO L93 Difference]: Finished difference Result 4824 states and 5560 transitions. [2024-11-07 19:46:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 19:46:59,622 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 7.46875) internal successors, (239), 32 states have internal predecessors, (239), 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 485 [2024-11-07 19:46:59,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:46:59,630 INFO L225 Difference]: With dead ends: 4824 [2024-11-07 19:46:59,630 INFO L226 Difference]: Without dead ends: 2587 [2024-11-07 19:46:59,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1022 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1216, Invalid=2324, Unknown=0, NotChecked=0, Total=3540 [2024-11-07 19:46:59,633 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1818 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 19:46:59,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 63 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 19:46:59,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2024-11-07 19:46:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 1657. [2024-11-07 19:46:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1655 states have (on average 1.0114803625377644) internal successors, (1674), 1656 states have internal predecessors, (1674), 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 19:46:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1674 transitions. [2024-11-07 19:46:59,691 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1674 transitions. Word has length 485 [2024-11-07 19:46:59,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:46:59,692 INFO L471 AbstractCegarLoop]: Abstraction has 1657 states and 1674 transitions. [2024-11-07 19:46:59,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.46875) internal successors, (239), 32 states have internal predecessors, (239), 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 19:46:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1674 transitions. [2024-11-07 19:46:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2024-11-07 19:46:59,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:46:59,704 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:46:59,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 19:46:59,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:46:59,904 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:46:59,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:46:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash -442849655, now seen corresponding path program 1 times [2024-11-07 19:46:59,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:46:59,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074900437] [2024-11-07 19:46:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:46:59,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:46:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:47:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16937 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16936 trivial. 0 not checked. [2024-11-07 19:47:00,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:47:00,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074900437] [2024-11-07 19:47:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074900437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:47:00,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618607239] [2024-11-07 19:47:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:47:00,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:47:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:47:00,549 INFO L229 MonitoredProcess]: Starting monitored process 10 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 19:47:00,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 19:47:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:47:00,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 1477 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 19:47:00,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:47:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16937 backedges. 3753 proven. 1794 refuted. 0 times theorem prover too weak. 11390 trivial. 0 not checked. [2024-11-07 19:47:01,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:47:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16937 backedges. 3753 proven. 1794 refuted. 0 times theorem prover too weak. 11390 trivial. 0 not checked. [2024-11-07 19:47:01,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618607239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:47:01,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:47:01,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 27, 27] total 54 [2024-11-07 19:47:01,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289465856] [2024-11-07 19:47:01,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:47:01,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-07 19:47:01,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:47:01,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-07 19:47:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1285, Invalid=1577, Unknown=0, NotChecked=0, Total=2862 [2024-11-07 19:47:01,925 INFO L87 Difference]: Start difference. First operand 1657 states and 1674 transitions. Second operand has 54 states, 54 states have (on average 7.018518518518518) internal successors, (379), 54 states have internal predecessors, (379), 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 19:47:06,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:47:06,334 INFO L93 Difference]: Finished difference Result 6176 states and 6685 transitions. [2024-11-07 19:47:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-11-07 19:47:06,335 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 7.018518518518518) internal successors, (379), 54 states have internal predecessors, (379), 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 763 [2024-11-07 19:47:06,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:47:06,344 INFO L225 Difference]: With dead ends: 6176 [2024-11-07 19:47:06,344 INFO L226 Difference]: Without dead ends: 4685 [2024-11-07 19:47:06,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1649 GetRequests, 1476 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9937 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=10699, Invalid=19751, Unknown=0, NotChecked=0, Total=30450 [2024-11-07 19:47:06,351 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7453 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7453 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 19:47:06,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7453 Valid, 136 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 19:47:06,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2024-11-07 19:47:06,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 3366. [2024-11-07 19:47:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3364 states have (on average 1.0338882282996433) internal successors, (3478), 3365 states have internal predecessors, (3478), 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 19:47:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 3478 transitions. [2024-11-07 19:47:06,473 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 3478 transitions. Word has length 763 [2024-11-07 19:47:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:47:06,474 INFO L471 AbstractCegarLoop]: Abstraction has 3366 states and 3478 transitions. [2024-11-07 19:47:06,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.018518518518518) internal successors, (379), 54 states have internal predecessors, (379), 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 19:47:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 3478 transitions. [2024-11-07 19:47:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1539 [2024-11-07 19:47:06,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:47:06,507 INFO L215 NwaCegarLoop]: trace histogram [216, 216, 216, 216, 215, 215, 215, 5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1] [2024-11-07 19:47:06,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 19:47:06,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:47:06,708 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:47:06,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:47:06,709 INFO L85 PathProgramCache]: Analyzing trace with hash -30278921, now seen corresponding path program 1 times [2024-11-07 19:47:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:47:06,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129862732] [2024-11-07 19:47:06,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:47:06,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:47:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:47:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 163018 backedges. 56675 proven. 7944 refuted. 0 times theorem prover too weak. 98399 trivial. 0 not checked. [2024-11-07 19:47:12,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:47:12,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129862732] [2024-11-07 19:47:12,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129862732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:47:12,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090229995] [2024-11-07 19:47:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:47:12,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:47:12,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:47:12,770 INFO L229 MonitoredProcess]: Starting monitored process 11 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 19:47:12,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 19:47:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:47:13,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 2901 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-07 19:47:13,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:47:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 163018 backedges. 56675 proven. 7944 refuted. 0 times theorem prover too weak. 98399 trivial. 0 not checked. [2024-11-07 19:47:14,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:47:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 163018 backedges. 56675 proven. 7944 refuted. 0 times theorem prover too weak. 98399 trivial. 0 not checked. [2024-11-07 19:47:17,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090229995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:47:17,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:47:17,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 151 [2024-11-07 19:47:17,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567613360] [2024-11-07 19:47:17,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:47:17,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-11-07 19:47:17,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:47:17,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-11-07 19:47:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10003, Invalid=12647, Unknown=0, NotChecked=0, Total=22650 [2024-11-07 19:47:17,172 INFO L87 Difference]: Start difference. First operand 3366 states and 3478 transitions. Second operand has 151 states, 151 states have (on average 6.854304635761589) internal successors, (1035), 151 states have internal predecessors, (1035), 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 19:47:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:47:24,171 INFO L93 Difference]: Finished difference Result 9841 states and 10714 transitions. [2024-11-07 19:47:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-07 19:47:24,172 INFO L78 Accepts]: Start accepts. Automaton has has 151 states, 151 states have (on average 6.854304635761589) internal successors, (1035), 151 states have internal predecessors, (1035), 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 1538 [2024-11-07 19:47:24,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:47:24,185 INFO L225 Difference]: With dead ends: 9841 [2024-11-07 19:47:24,186 INFO L226 Difference]: Without dead ends: 6816 [2024-11-07 19:47:24,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3175 GetRequests, 2977 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14501 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=15050, Invalid=24750, Unknown=0, NotChecked=0, Total=39800 [2024-11-07 19:47:24,191 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5533 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5533 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 19:47:24,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5533 Valid, 818 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 19:47:24,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6816 states. [2024-11-07 19:47:24,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6816 to 6816. [2024-11-07 19:47:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6816 states, 6814 states have (on average 1.0460815967126504) internal successors, (7128), 6815 states have internal predecessors, (7128), 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 19:47:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 7128 transitions. [2024-11-07 19:47:24,397 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 7128 transitions. Word has length 1538 [2024-11-07 19:47:24,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:47:24,397 INFO L471 AbstractCegarLoop]: Abstraction has 6816 states and 7128 transitions. [2024-11-07 19:47:24,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 6.854304635761589) internal successors, (1035), 151 states have internal predecessors, (1035), 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 19:47:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 7128 transitions. [2024-11-07 19:47:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2939 [2024-11-07 19:47:24,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:47:24,435 INFO L215 NwaCegarLoop]: trace histogram [416, 416, 416, 416, 415, 415, 415, 5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1] [2024-11-07 19:47:24,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 19:47:24,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 19:47:24,636 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 19:47:24,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:47:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash -194272137, now seen corresponding path program 2 times [2024-11-07 19:47:24,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:47:24,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034486967] [2024-11-07 19:47:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:47:24,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:47:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:47:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 605118 backedges. 218575 proven. 33369 refuted. 0 times theorem prover too weak. 353174 trivial. 0 not checked. [2024-11-07 19:47:49,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:47:49,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034486967] [2024-11-07 19:47:49,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034486967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:47:49,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459321351] [2024-11-07 19:47:49,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:47:49,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:47:49,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:47:49,028 INFO L229 MonitoredProcess]: Starting monitored process 12 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 19:47:49,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 19:47:49,353 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:47:49,353 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:47:49,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:47:49,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:47:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 605118 backedges. 63606 proven. 1660 refuted. 0 times theorem prover too weak. 539852 trivial. 0 not checked. [2024-11-07 19:47:51,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:47:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 605118 backedges. 0 proven. 65266 refuted. 0 times theorem prover too weak. 539852 trivial. 0 not checked. [2024-11-07 19:47:54,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459321351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:47:54,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:47:54,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 4, 4] total 108 [2024-11-07 19:47:54,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645637629] [2024-11-07 19:47:54,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:47:54,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-11-07 19:47:54,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:47:54,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-11-07 19:47:54,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5070, Invalid=6486, Unknown=0, NotChecked=0, Total=11556 [2024-11-07 19:47:54,188 INFO L87 Difference]: Start difference. First operand 6816 states and 7128 transitions. Second operand has 108 states, 108 states have (on average 7.101851851851852) internal successors, (767), 108 states have internal predecessors, (767), 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)