./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.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_SAX_test3-1.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', 'a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686'] 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_SAX_test3-1.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 a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:15:47,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:15:48,028 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:15:48,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:15:48,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:15:48,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:15:48,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:15:48,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:15:48,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:15:48,065 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:15:48,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:15:48,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:15:48,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:15:48,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:15:48,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:15:48,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:15:48,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:15:48,067 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:15:48,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:15:48,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:15:48,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:15:48,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:15:48,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:15:48,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:15:48,069 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 -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2024-11-07 23:15:48,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:15:48,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:15:48,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:15:48,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:15:48,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:15:48,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2024-11-07 23:15:49,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:15:50,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:15:50,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2024-11-07 23:15:50,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89806fac8/28bfe720fa654811969054779a11d7b9/FLAGbe1b37815 [2024-11-07 23:15:50,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89806fac8/28bfe720fa654811969054779a11d7b9 [2024-11-07 23:15:50,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:15:50,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:15:50,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:15:50,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:15:50,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:15:50,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:50,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30570f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50, skipping insertion in model container [2024-11-07 23:15:50,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:50,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:15:50,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:15:50,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:15:50,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:15:50,851 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:15:50,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50 WrapperNode [2024-11-07 23:15:50,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:15:50,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:15:50,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:15:50,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:15:50,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:50,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:50,989 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1463 [2024-11-07 23:15:50,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:15:50,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:15:50,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:15:50,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:15:50,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:50,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,106 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 34, 219]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-07 23:15:51,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:15:51,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:15:51,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:15:51,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:15:51,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (1/1) ... [2024-11-07 23:15:51,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:15:51,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:15:51,227 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 23:15:51,234 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 23:15:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:15:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:15:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:15:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:15:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:15:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:15:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 23:15:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:15:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:15:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:15:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:15:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:15:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:15:51,487 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:15:51,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:15:52,907 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2024-11-07 23:15:52,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:15:52,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:15:52,936 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-07 23:15:52,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:52 BoogieIcfgContainer [2024-11-07 23:15:52,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:15:52,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:15:52,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:15:52,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:15:52,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:15:50" (1/3) ... [2024-11-07 23:15:52,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f63f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:15:52, skipping insertion in model container [2024-11-07 23:15:52,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:50" (2/3) ... [2024-11-07 23:15:52,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f63f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:15:52, skipping insertion in model container [2024-11-07 23:15:52,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:52" (3/3) ... [2024-11-07 23:15:52,946 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2024-11-07 23:15:52,958 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:15:52,959 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-07 23:15:53,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:15:53,034 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;@14ac7871, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:15:53,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 23:15:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 429 states, 407 states have (on average 1.628992628992629) internal successors, (663), 422 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:15:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:15:53,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:53,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:15:53,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:53,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-07 23:15:53,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:53,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071624664] [2024-11-07 23:15:53,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:53,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:53,208 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 23:15:53,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:53,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071624664] [2024-11-07 23:15:53,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071624664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:53,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:53,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:15:53,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975817299] [2024-11-07 23:15:53,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:53,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:15:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:53,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:15:53,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:15:53,236 INFO L87 Difference]: Start difference. First operand has 429 states, 407 states have (on average 1.628992628992629) internal successors, (663), 422 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) 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 23:15:53,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:53,310 INFO L93 Difference]: Finished difference Result 854 states and 1368 transitions. [2024-11-07 23:15:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:15:53,312 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 23:15:53,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:53,323 INFO L225 Difference]: With dead ends: 854 [2024-11-07 23:15:53,323 INFO L226 Difference]: Without dead ends: 420 [2024-11-07 23:15:53,329 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 23:15:53,334 INFO L432 NwaCegarLoop]: 611 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, 611 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 23:15:53,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:15:53,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-07 23:15:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-07 23:15:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 402 states have (on average 1.4601990049751243) internal successors, (587), 414 states have internal predecessors, (587), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:15:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-07 23:15:53,409 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-07 23:15:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:53,410 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-07 23:15:53,410 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 23:15:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-07 23:15:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:15:53,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:53,411 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:15:53,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:15:53,411 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:53,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-07 23:15:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:53,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393231358] [2024-11-07 23:15:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:15:53,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367127766] [2024-11-07 23:15:53,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:53,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:15:53,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:15:53,482 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 23:15:53,483 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 23:15:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:53,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:15:53,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:15:53,692 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 23:15:53,732 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 23:15:53,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:15:53,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:53,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393231358] [2024-11-07 23:15:53,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:15:53,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367127766] [2024-11-07 23:15:53,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367127766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:53,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:53,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:15:53,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034545508] [2024-11-07 23:15:53,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:53,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:15:53,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:53,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:15:53,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:15:53,738 INFO L87 Difference]: Start difference. First operand 420 states and 603 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 23:15:53,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:53,955 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-07 23:15:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:15:53,957 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 23:15:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:53,965 INFO L225 Difference]: With dead ends: 830 [2024-11-07 23:15:53,965 INFO L226 Difference]: Without dead ends: 828 [2024-11-07 23:15:53,966 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 23:15:53,966 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 571 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:53,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1820 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:15:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-07 23:15:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-07 23:15:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4558823529411764) internal successors, (594), 420 states have internal predecessors, (594), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:15:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-07 23:15:54,019 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 7 [2024-11-07 23:15:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:54,020 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-07 23:15:54,020 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 23:15:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-07 23:15:54,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 23:15:54,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:54,020 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:15:54,040 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 23:15:54,221 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 23:15:54,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:54,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:54,222 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-07 23:15:54,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:54,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35853430] [2024-11-07 23:15:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:54,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:54,424 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 23:15:54,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:54,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35853430] [2024-11-07 23:15:54,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35853430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:54,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:54,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:15:54,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546821348] [2024-11-07 23:15:54,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:54,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:15:54,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:54,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:15:54,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:15:54,427 INFO L87 Difference]: Start difference. First operand 426 states and 610 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:15:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:54,566 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-07 23:15:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:15:54,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-07 23:15:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:54,571 INFO L225 Difference]: With dead ends: 1038 [2024-11-07 23:15:54,571 INFO L226 Difference]: Without dead ends: 827 [2024-11-07 23:15:54,572 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 23:15:54,573 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 572 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:54,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1827 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:15:54,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-07 23:15:54,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-07 23:15:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 420 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:15:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-07 23:15:54,592 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-07 23:15:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:54,592 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-07 23:15:54,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:15:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-07 23:15:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 23:15:54,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:54,596 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 23:15:54,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:15:54,597 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:54,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:54,598 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-07 23:15:54,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:54,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096559837] [2024-11-07 23:15:54,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:54,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:55,014 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 23:15:55,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:55,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096559837] [2024-11-07 23:15:55,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096559837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:55,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:55,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:15:55,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230350128] [2024-11-07 23:15:55,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:55,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:15:55,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:55,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:15:55,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:15:55,018 INFO L87 Difference]: Start difference. First operand 426 states and 609 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 23:15:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:55,114 INFO L93 Difference]: Finished difference Result 847 states and 1213 transitions. [2024-11-07 23:15:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:15:55,115 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 23:15:55,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:55,118 INFO L225 Difference]: With dead ends: 847 [2024-11-07 23:15:55,119 INFO L226 Difference]: Without dead ends: 429 [2024-11-07 23:15:55,120 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 23:15:55,121 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 87 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2195 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 23:15:55,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2195 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:15:55,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-07 23:15:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 426. [2024-11-07 23:15:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4362745098039216) internal successors, (586), 420 states have internal predecessors, (586), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:15:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 602 transitions. [2024-11-07 23:15:55,151 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 602 transitions. Word has length 81 [2024-11-07 23:15:55,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:55,152 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 602 transitions. [2024-11-07 23:15:55,152 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 23:15:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 602 transitions. [2024-11-07 23:15:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 23:15:55,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:55,156 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 23:15:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:15:55,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:55,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-07 23:15:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632152286] [2024-11-07 23:15:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:55,331 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 23:15:55,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:55,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632152286] [2024-11-07 23:15:55,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632152286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:55,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:55,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:15:55,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385377279] [2024-11-07 23:15:55,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:55,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:15:55,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:15:55,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:15:55,333 INFO L87 Difference]: Start difference. First operand 426 states and 602 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 23:15:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:55,440 INFO L93 Difference]: Finished difference Result 1137 states and 1627 transitions. [2024-11-07 23:15:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:15:55,440 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 23:15:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:55,444 INFO L225 Difference]: With dead ends: 1137 [2024-11-07 23:15:55,444 INFO L226 Difference]: Without dead ends: 719 [2024-11-07 23:15:55,445 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 23:15:55,445 INFO L432 NwaCegarLoop]: 782 mSDtfsCounter, 373 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:55,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1354 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:15:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-07 23:15:55,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 715. [2024-11-07 23:15:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 697 states have (on average 1.4533715925394548) internal successors, (1013), 709 states have internal predecessors, (1013), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:15:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1029 transitions. [2024-11-07 23:15:55,475 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1029 transitions. Word has length 81 [2024-11-07 23:15:55,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:55,477 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 1029 transitions. [2024-11-07 23:15:55,477 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 23:15:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1029 transitions. [2024-11-07 23:15:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 23:15:55,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:55,481 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 23:15:55,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:15:55,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:55,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:55,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1776239741, now seen corresponding path program 1 times [2024-11-07 23:15:55,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:55,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786663269] [2024-11-07 23:15:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:55,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:55,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:15:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:55,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:15:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:55,733 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 23:15:55,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:55,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786663269] [2024-11-07 23:15:55,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786663269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:55,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:55,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:15:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325379470] [2024-11-07 23:15:55,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:55,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:15:55,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:55,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:15:55,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:15:55,735 INFO L87 Difference]: Start difference. First operand 715 states and 1029 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 23:15:56,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:56,047 INFO L93 Difference]: Finished difference Result 1367 states and 1974 transitions. [2024-11-07 23:15:56,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:15:56,048 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 23:15:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:56,052 INFO L225 Difference]: With dead ends: 1367 [2024-11-07 23:15:56,053 INFO L226 Difference]: Without dead ends: 730 [2024-11-07 23:15:56,056 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 23:15:56,056 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 7 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:56,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1649 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:15:56,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-07 23:15:56,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 727. [2024-11-07 23:15:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 709 states have (on average 1.4456981664315938) internal successors, (1025), 721 states have internal predecessors, (1025), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:15:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1041 transitions. [2024-11-07 23:15:56,083 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1041 transitions. Word has length 96 [2024-11-07 23:15:56,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:56,083 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 1041 transitions. [2024-11-07 23:15:56,084 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 23:15:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1041 transitions. [2024-11-07 23:15:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 23:15:56,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:56,087 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 23:15:56,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:15:56,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:56,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash -832547717, now seen corresponding path program 1 times [2024-11-07 23:15:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:56,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333373368] [2024-11-07 23:15:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:56,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:15:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:15:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:56,592 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 23:15:56,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:56,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333373368] [2024-11-07 23:15:56,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333373368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:56,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:56,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:15:56,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007089421] [2024-11-07 23:15:56,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:56,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:15:56,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:56,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:15:56,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:15:56,594 INFO L87 Difference]: Start difference. First operand 727 states and 1041 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 23:15:57,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:57,002 INFO L93 Difference]: Finished difference Result 1035 states and 1483 transitions. [2024-11-07 23:15:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:15:57,003 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 23:15:57,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:57,011 INFO L225 Difference]: With dead ends: 1035 [2024-11-07 23:15:57,011 INFO L226 Difference]: Without dead ends: 1033 [2024-11-07 23:15:57,012 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 23:15:57,013 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 485 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:57,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2290 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:15:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-07 23:15:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 791. [2024-11-07 23:15:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 770 states have (on average 1.4324675324675324) internal successors, (1103), 782 states have internal predecessors, (1103), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 23:15:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1125 transitions. [2024-11-07 23:15:57,040 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1125 transitions. Word has length 96 [2024-11-07 23:15:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:57,041 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1125 transitions. [2024-11-07 23:15:57,041 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 23:15:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1125 transitions. [2024-11-07 23:15:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:15:57,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:57,042 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 23:15:57,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:15:57,043 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:15:57,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:57,043 INFO L85 PathProgramCache]: Analyzing trace with hash -399763366, now seen corresponding path program 1 times [2024-11-07 23:15:57,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:57,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160539157] [2024-11-07 23:15:57,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:57,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:15:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:57,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:15:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:57,470 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 23:15:57,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:57,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160539157] [2024-11-07 23:15:57,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160539157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:15:57,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563179088] [2024-11-07 23:15:57,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:57,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:15:57,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:15:57,473 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 23:15:57,476 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 23:15:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:57,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 23:15:57,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:15:57,793 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 23:15:57,821 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 23:15:57,861 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 27 treesize of output 11 [2024-11-07 23:15:58,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 23:15:58,422 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 23:15:58,700 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 23:15:58,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:15:58,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563179088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:58,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:15:58,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-07 23:15:58,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544659736] [2024-11-07 23:15:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:58,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:15:58,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:58,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:15:58,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:15:58,702 INFO L87 Difference]: Start difference. First operand 791 states and 1125 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 23:16:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:00,973 INFO L93 Difference]: Finished difference Result 1766 states and 2515 transitions. [2024-11-07 23:16:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:16:00,975 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 23:16:00,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:00,981 INFO L225 Difference]: With dead ends: 1766 [2024-11-07 23:16:00,982 INFO L226 Difference]: Without dead ends: 1069 [2024-11-07 23:16:00,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:16:00,985 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 843 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:00,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 3643 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 23:16:00,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-07 23:16:01,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 823. [2024-11-07 23:16:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 802 states have (on average 1.4214463840399003) internal successors, (1140), 814 states have internal predecessors, (1140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 23:16:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1162 transitions. [2024-11-07 23:16:01,014 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1162 transitions. Word has length 102 [2024-11-07 23:16:01,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:01,014 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1162 transitions. [2024-11-07 23:16:01,014 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 23:16:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1162 transitions. [2024-11-07 23:16:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:16:01,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:01,016 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 23:16:01,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 23:16:01,219 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 23:16:01,220 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:16:01,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:01,221 INFO L85 PathProgramCache]: Analyzing trace with hash -576701474, now seen corresponding path program 1 times [2024-11-07 23:16:01,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:01,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134724437] [2024-11-07 23:16:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:16:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:01,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:16:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:01,388 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 23:16:01,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:01,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134724437] [2024-11-07 23:16:01,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134724437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:01,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:01,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:16:01,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264686479] [2024-11-07 23:16:01,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:01,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:16:01,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:01,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:16:01,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:16:01,391 INFO L87 Difference]: Start difference. First operand 823 states and 1162 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 23:16:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:01,784 INFO L93 Difference]: Finished difference Result 1479 states and 2095 transitions. [2024-11-07 23:16:01,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:16:01,785 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 23:16:01,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:01,789 INFO L225 Difference]: With dead ends: 1479 [2024-11-07 23:16:01,789 INFO L226 Difference]: Without dead ends: 686 [2024-11-07 23:16:01,791 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 23:16:01,793 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 15 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:01,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1875 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:16:01,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-07 23:16:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 683. [2024-11-07 23:16:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 662 states have (on average 1.404833836858006) internal successors, (930), 674 states have internal predecessors, (930), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 23:16:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 952 transitions. [2024-11-07 23:16:01,818 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 952 transitions. Word has length 102 [2024-11-07 23:16:01,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:01,819 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 952 transitions. [2024-11-07 23:16:01,819 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 23:16:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 952 transitions. [2024-11-07 23:16:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 23:16:01,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:01,820 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 23:16:01,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:16:01,820 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:16:01,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:01,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1929431501, now seen corresponding path program 1 times [2024-11-07 23:16:01,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:01,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804926193] [2024-11-07 23:16:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:16:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:16:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,219 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 23:16:02,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:02,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804926193] [2024-11-07 23:16:02,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804926193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:02,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320497805] [2024-11-07 23:16:02,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:02,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:02,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:02,222 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 23:16:02,224 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 23:16:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 23:16:02,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:45,204 WARN L286 SmtUtils]: Spent 9.77s 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 23:17:17,480 WARN L286 SmtUtils]: Spent 5.25s 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)