./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --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/uthash-2.0.2/uthash_SFH_test7-2.i', '-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', '9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc'] 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/uthash-2.0.2/uthash_SFH_test7-2.i -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 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:19:59,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:19:59,316 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:19:59,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:19:59,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:19:59,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:19:59,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:19:59,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:19:59,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:19:59,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:19:59,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:19:59,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:19:59,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:19:59,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:19:59,355 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:19:59,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:19:59,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:19:59,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:19:59,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:19:59,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:19:59,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:19:59,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:19:59,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:19:59,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:19:59,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:19:59,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:19:59,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:19:59,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:19:59,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:19:59,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:19:59,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:19:59,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:19:59,359 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 -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2024-11-07 23:19:59,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:19:59,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:19:59,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:19:59,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:19:59,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:19:59,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2024-11-07 23:20:00,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:20:01,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:20:01,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2024-11-07 23:20:01,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7448e65ca/be1be8b6786a4538816d92687ee14286/FLAG1e1d21f04 [2024-11-07 23:20:01,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7448e65ca/be1be8b6786a4538816d92687ee14286 [2024-11-07 23:20:01,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:20:01,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:20:01,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:20:01,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:20:01,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:20:01,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:01,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb777ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01, skipping insertion in model container [2024-11-07 23:20:01,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:01,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:20:01,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:20:01,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:20:01,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:20:01,958 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:20:01,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01 WrapperNode [2024-11-07 23:20:01,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:20:01,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:20:01,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:20:01,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:20:01,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,099 INFO L138 Inliner]: procedures = 176, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-11-07 23:20:02,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:20:02,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:20:02,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:20:02,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:20:02,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,242 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 34, 265]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-07 23:20:02,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:20:02,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:20:02,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:20:02,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:20:02,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (1/1) ... [2024-11-07 23:20:02,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:20:02,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:02,386 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 23:20:02,389 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 23:20:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:20:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:20:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 23:20:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:20:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:20:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:20:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:20:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:20:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:20:02,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:20:02,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:20:04,288 INFO L? ?]: Removed 344 outVars from TransFormulas that were not future-live. [2024-11-07 23:20:04,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:20:04,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:20:04,316 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 23:20:04,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:20:04 BoogieIcfgContainer [2024-11-07 23:20:04,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:20:04,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:20:04,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:20:04,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:20:04,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:20:01" (1/3) ... [2024-11-07 23:20:04,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224df8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:20:04, skipping insertion in model container [2024-11-07 23:20:04,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:01" (2/3) ... [2024-11-07 23:20:04,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224df8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:20:04, skipping insertion in model container [2024-11-07 23:20:04,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:20:04" (3/3) ... [2024-11-07 23:20:04,327 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-2.i [2024-11-07 23:20:04,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:20:04,338 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:20:04,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:20:04,404 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;@12301168, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:20:04,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 23:20:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 430 states have (on average 1.627906976744186) internal successors, (700), 437 states have internal predecessors, (700), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 23:20:04,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:20:04,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:04,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:04,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:04,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:04,420 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-07 23:20:04,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:04,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288598846] [2024-11-07 23:20:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:04,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,580 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 23:20:04,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:04,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288598846] [2024-11-07 23:20:04,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288598846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:04,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:04,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:20:04,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382124426] [2024-11-07 23:20:04,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:04,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:20:04,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:04,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:20:04,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:20:04,606 INFO L87 Difference]: Start difference. First operand has 444 states, 430 states have (on average 1.627906976744186) internal successors, (700), 437 states have internal predecessors, (700), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:20:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:04,668 INFO L93 Difference]: Finished difference Result 883 states and 1416 transitions. [2024-11-07 23:20:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:20:04,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 23:20:04,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:04,681 INFO L225 Difference]: With dead ends: 883 [2024-11-07 23:20:04,681 INFO L226 Difference]: Without dead ends: 397 [2024-11-07 23:20:04,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:20:04,689 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:04,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:20:04,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-07 23:20:04,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2024-11-07 23:20:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 387 states have (on average 1.4573643410852712) internal successors, (564), 392 states have internal predecessors, (564), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:20:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 570 transitions. [2024-11-07 23:20:04,758 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 570 transitions. Word has length 7 [2024-11-07 23:20:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:04,759 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 570 transitions. [2024-11-07 23:20:04,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:20:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 570 transitions. [2024-11-07 23:20:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:20:04,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:04,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:04,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:20:04,760 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:04,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:04,761 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-07 23:20:04,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:04,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330808363] [2024-11-07 23:20:04,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:04,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:20:04,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841587554] [2024-11-07 23:20:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:04,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:04,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:04,811 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 23:20:04,812 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 23:20:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:05,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:20:05,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:05,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:20:05,079 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 23:20:05,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:20:05,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:05,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330808363] [2024-11-07 23:20:05,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:20:05,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841587554] [2024-11-07 23:20:05,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841587554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:05,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:05,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:20:05,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468172441] [2024-11-07 23:20:05,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:05,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:20:05,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:05,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:20:05,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:20:05,085 INFO L87 Difference]: Start difference. First operand 397 states and 570 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:20:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:05,277 INFO L93 Difference]: Finished difference Result 788 states and 1134 transitions. [2024-11-07 23:20:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:20:05,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 23:20:05,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:05,283 INFO L225 Difference]: With dead ends: 788 [2024-11-07 23:20:05,283 INFO L226 Difference]: Without dead ends: 786 [2024-11-07 23:20:05,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:05,284 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 551 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:05,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1636 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:20:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-07 23:20:05,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 403. [2024-11-07 23:20:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4529262086513994) internal successors, (571), 398 states have internal predecessors, (571), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:20:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-07 23:20:05,325 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 7 [2024-11-07 23:20:05,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:05,327 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-07 23:20:05,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:20:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-07 23:20:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 23:20:05,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:05,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:05,345 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 23:20:05,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:05,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:05,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash 84879958, now seen corresponding path program 1 times [2024-11-07 23:20:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:05,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593048932] [2024-11-07 23:20:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,015 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 23:20:06,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:06,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593048932] [2024-11-07 23:20:06,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593048932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:06,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:06,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:20:06,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136345560] [2024-11-07 23:20:06,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:06,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:20:06,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:06,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:20:06,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:20:06,017 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:20:06,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:06,157 INFO L93 Difference]: Finished difference Result 973 states and 1404 transitions. [2024-11-07 23:20:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:20:06,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-07 23:20:06,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:06,162 INFO L225 Difference]: With dead ends: 973 [2024-11-07 23:20:06,163 INFO L226 Difference]: Without dead ends: 785 [2024-11-07 23:20:06,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:06,166 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 552 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:06,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1641 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:20:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-07 23:20:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 403. [2024-11-07 23:20:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.450381679389313) internal successors, (570), 398 states have internal predecessors, (570), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:20:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 576 transitions. [2024-11-07 23:20:06,187 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 576 transitions. Word has length 71 [2024-11-07 23:20:06,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:06,188 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 576 transitions. [2024-11-07 23:20:06,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:20:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 576 transitions. [2024-11-07 23:20:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 23:20:06,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:06,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:06,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:20:06,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:06,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:06,193 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-07 23:20:06,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:06,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089073375] [2024-11-07 23:20:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:06,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,500 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 23:20:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089073375] [2024-11-07 23:20:06,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089073375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:06,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:06,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:20:06,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407293597] [2024-11-07 23:20:06,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:06,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:20:06,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:06,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:20:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:06,504 INFO L87 Difference]: Start difference. First operand 403 states and 576 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 23:20:06,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:06,616 INFO L93 Difference]: Finished difference Result 801 states and 1147 transitions. [2024-11-07 23:20:06,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:20:06,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2024-11-07 23:20:06,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:06,619 INFO L225 Difference]: With dead ends: 801 [2024-11-07 23:20:06,619 INFO L226 Difference]: Without dead ends: 406 [2024-11-07 23:20:06,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:06,620 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 87 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:06,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2063 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:20:06,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-07 23:20:06,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-11-07 23:20:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4325699745547074) internal successors, (563), 398 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:20:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 569 transitions. [2024-11-07 23:20:06,630 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 569 transitions. Word has length 81 [2024-11-07 23:20:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:06,631 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 569 transitions. [2024-11-07 23:20:06,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 23:20:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 569 transitions. [2024-11-07 23:20:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 23:20:06,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:06,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:06,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:20:06,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:06,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:06,634 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-07 23:20:06,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:06,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396389472] [2024-11-07 23:20:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:06,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,809 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 23:20:06,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:06,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396389472] [2024-11-07 23:20:06,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396389472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:06,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:06,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:20:06,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375630692] [2024-11-07 23:20:06,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:06,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:20:06,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:06,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:20:06,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:20:06,812 INFO L87 Difference]: Start difference. First operand 403 states and 569 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 23:20:06,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:06,898 INFO L93 Difference]: Finished difference Result 1090 states and 1559 transitions. [2024-11-07 23:20:06,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:20:06,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2024-11-07 23:20:06,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:06,903 INFO L225 Difference]: With dead ends: 1090 [2024-11-07 23:20:06,903 INFO L226 Difference]: Without dead ends: 695 [2024-11-07 23:20:06,904 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 23:20:06,905 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 372 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:06,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1288 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:20:06,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-07 23:20:06,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 692. [2024-11-07 23:20:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 682 states have (on average 1.4501466275659824) internal successors, (989), 687 states have internal predecessors, (989), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:20:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 995 transitions. [2024-11-07 23:20:06,928 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 995 transitions. Word has length 81 [2024-11-07 23:20:06,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:06,929 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 995 transitions. [2024-11-07 23:20:06,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 23:20:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 995 transitions. [2024-11-07 23:20:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 23:20:06,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:06,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:06,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:20:06,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:06,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:06,935 INFO L85 PathProgramCache]: Analyzing trace with hash -410456963, now seen corresponding path program 1 times [2024-11-07 23:20:06,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:06,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343154232] [2024-11-07 23:20:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:06,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:07,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:20:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:07,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:20:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:20:07,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:07,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343154232] [2024-11-07 23:20:07,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343154232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:07,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:07,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:20:07,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456661828] [2024-11-07 23:20:07,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:07,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:20:07,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:07,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:20:07,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:20:07,245 INFO L87 Difference]: Start difference. First operand 692 states and 995 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:07,508 INFO L93 Difference]: Finished difference Result 1321 states and 1906 transitions. [2024-11-07 23:20:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:20:07,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-07 23:20:07,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:07,513 INFO L225 Difference]: With dead ends: 1321 [2024-11-07 23:20:07,514 INFO L226 Difference]: Without dead ends: 707 [2024-11-07 23:20:07,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:20:07,516 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 4 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:07,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1576 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:20:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-07 23:20:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 704. [2024-11-07 23:20:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 694 states have (on average 1.442363112391931) internal successors, (1001), 699 states have internal predecessors, (1001), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:20:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1007 transitions. [2024-11-07 23:20:07,538 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1007 transitions. Word has length 96 [2024-11-07 23:20:07,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:07,538 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 1007 transitions. [2024-11-07 23:20:07,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1007 transitions. [2024-11-07 23:20:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 23:20:07,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:07,542 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:07,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:20:07,543 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:07,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:07,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1275722875, now seen corresponding path program 1 times [2024-11-07 23:20:07,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:07,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929691629] [2024-11-07 23:20:07,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:07,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:07,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:20:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:07,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:20:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:20:07,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:07,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929691629] [2024-11-07 23:20:07,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929691629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:07,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:07,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:20:07,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49257881] [2024-11-07 23:20:07,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:07,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:20:07,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:07,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:20:07,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:07,965 INFO L87 Difference]: Start difference. First operand 704 states and 1007 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:08,306 INFO L93 Difference]: Finished difference Result 993 states and 1419 transitions. [2024-11-07 23:20:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:20:08,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-07 23:20:08,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:08,313 INFO L225 Difference]: With dead ends: 993 [2024-11-07 23:20:08,313 INFO L226 Difference]: Without dead ends: 991 [2024-11-07 23:20:08,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:20:08,315 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 462 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 2085 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:08,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 2085 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:20:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-11-07 23:20:08,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 768. [2024-11-07 23:20:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 755 states have (on average 1.429139072847682) internal successors, (1079), 760 states have internal predecessors, (1079), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:20:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1091 transitions. [2024-11-07 23:20:08,342 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1091 transitions. Word has length 96 [2024-11-07 23:20:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:08,343 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1091 transitions. [2024-11-07 23:20:08,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1091 transitions. [2024-11-07 23:20:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:20:08,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:08,345 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:08,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:20:08,345 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:08,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash -638074790, now seen corresponding path program 1 times [2024-11-07 23:20:08,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:08,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444735483] [2024-11-07 23:20:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:08,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:20:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:08,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:20:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:20:08,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:08,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444735483] [2024-11-07 23:20:08,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444735483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:08,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100103676] [2024-11-07 23:20:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:08,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:08,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:08,854 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 23:20:08,856 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 23:20:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:09,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 23:20:09,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:09,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:20:09,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:20:09,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-07 23:20:09,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 23:20:09,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-07 23:20:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:20:10,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:20:10,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100103676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:10,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:20:10,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-07 23:20:10,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525137629] [2024-11-07 23:20:10,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:10,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:20:10,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:10,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:20:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:20:10,221 INFO L87 Difference]: Start difference. First operand 768 states and 1091 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:12,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:12,373 INFO L93 Difference]: Finished difference Result 1701 states and 2417 transitions. [2024-11-07 23:20:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:20:12,374 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-07 23:20:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:12,378 INFO L225 Difference]: With dead ends: 1701 [2024-11-07 23:20:12,378 INFO L226 Difference]: Without dead ends: 1027 [2024-11-07 23:20:12,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:20:12,380 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 823 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 3376 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:12,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 3376 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 23:20:12,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-07 23:20:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 800. [2024-11-07 23:20:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 787 states have (on average 1.418043202033037) internal successors, (1116), 792 states have internal predecessors, (1116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:20:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1128 transitions. [2024-11-07 23:20:12,404 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1128 transitions. Word has length 102 [2024-11-07 23:20:12,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:12,404 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1128 transitions. [2024-11-07 23:20:12,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1128 transitions. [2024-11-07 23:20:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:20:12,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:12,406 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:12,425 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 23:20:12,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:12,611 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:12,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:12,611 INFO L85 PathProgramCache]: Analyzing trace with hash -815012898, now seen corresponding path program 1 times [2024-11-07 23:20:12,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:12,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280158922] [2024-11-07 23:20:12,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:12,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:20:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:20:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:20:12,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:12,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280158922] [2024-11-07 23:20:12,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280158922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:12,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:12,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:20:12,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244811639] [2024-11-07 23:20:12,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:12,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:20:12,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:12,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:20:12,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:12,770 INFO L87 Difference]: Start difference. First operand 800 states and 1128 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:12,994 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2024-11-07 23:20:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:20:12,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-07 23:20:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:12,998 INFO L225 Difference]: With dead ends: 1433 [2024-11-07 23:20:12,998 INFO L226 Difference]: Without dead ends: 663 [2024-11-07 23:20:12,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:20:12,999 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 12 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:12,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1777 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:20:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-11-07 23:20:13,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 660. [2024-11-07 23:20:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 647 states have (on average 1.4003091190108192) internal successors, (906), 652 states have internal predecessors, (906), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:20:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 918 transitions. [2024-11-07 23:20:13,018 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 918 transitions. Word has length 102 [2024-11-07 23:20:13,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:13,019 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 918 transitions. [2024-11-07 23:20:13,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:20:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 918 transitions. [2024-11-07 23:20:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 23:20:13,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:13,020 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:13,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:20:13,020 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:20:13,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2127224371, now seen corresponding path program 1 times [2024-11-07 23:20:13,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:13,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179243716] [2024-11-07 23:20:13,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:13,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:20:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:13,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:20:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:20:13,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:13,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179243716] [2024-11-07 23:20:13,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179243716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:13,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311599621] [2024-11-07 23:20:13,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:13,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:13,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:13,352 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 23:20:13,353 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 23:20:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:13,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 23:20:13,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:44,751 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 23:20:49,846 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 23:21:22,863 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 23:21:33,354 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)