./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.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_FNV_test4-3.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', 'efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4'] 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_FNV_test4-3.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 efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:06:52,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:06:52,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:06:52,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:06:52,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:06:52,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:06:52,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:06:52,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:06:52,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:06:52,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:06:52,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:06:52,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:06:52,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:06:52,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:06:52,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:06:52,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:06:52,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:06:52,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:06:52,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:06:52,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:06:52,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:06:52,770 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 -> efaea2320311f06fbd3071893d75fb70222c33e449b43348105f12b548a90ab4 [2024-11-07 23:06:52,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:06:52,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:06:52,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:06:52,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:06:52,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:06:52,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2024-11-07 23:06:54,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:06:54,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:06:54,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-3.i [2024-11-07 23:06:54,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cb73be5b/08377cdaa3004552943bc3ec8fd958b8/FLAG1d82ecae5 [2024-11-07 23:06:54,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8cb73be5b/08377cdaa3004552943bc3ec8fd958b8 [2024-11-07 23:06:54,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:06:54,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:06:54,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:06:54,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:06:54,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:06:54,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:06:54" (1/1) ... [2024-11-07 23:06:54,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8aebac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:54, skipping insertion in model container [2024-11-07 23:06:54,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:06:54" (1/1) ... [2024-11-07 23:06:54,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:06:54,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:06:54,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:06:55,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:06:55,102 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:06:55,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55 WrapperNode [2024-11-07 23:06:55,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:06:55,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:06:55,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:06:55,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:06:55,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,210 INFO L138 Inliner]: procedures = 176, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1912 [2024-11-07 23:06:55,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:06:55,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:06:55,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:06:55,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:06:55,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,336 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-11-07 23:06:55,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:06:55,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:06:55,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:06:55,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:06:55,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (1/1) ... [2024-11-07 23:06:55,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:06:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:06:55,465 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 23:06:55,468 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 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:06:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:06:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:06:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:06:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:06:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:06:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:06:55,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:06:55,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:06:56,887 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-11-07 23:06:56,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:06:56,901 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:06:56,902 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-07 23:06:56,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:06:56 BoogieIcfgContainer [2024-11-07 23:06:56,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:06:56,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:06:56,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:06:56,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:06:56,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:06:54" (1/3) ... [2024-11-07 23:06:56,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa1ca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:06:56, skipping insertion in model container [2024-11-07 23:06:56,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:06:55" (2/3) ... [2024-11-07 23:06:56,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa1ca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:06:56, skipping insertion in model container [2024-11-07 23:06:56,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:06:56" (3/3) ... [2024-11-07 23:06:56,911 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-3.i [2024-11-07 23:06:56,920 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:06:56,920 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:06:56,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:06:56,970 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;@66414087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:06:56,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 23:06:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 499 states, 474 states have (on average 1.6244725738396624) internal successors, (770), 490 states have internal predecessors, (770), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:06:56,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:56,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:06:56,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:56,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:56,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1408033094, now seen corresponding path program 1 times [2024-11-07 23:06:56,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:56,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070041811] [2024-11-07 23:06:56,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:56,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:57,075 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 23:06:57,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:57,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070041811] [2024-11-07 23:06:57,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070041811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:57,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:57,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:06:57,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88060092] [2024-11-07 23:06:57,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:57,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:06:57,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:57,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:06:57,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:06:57,095 INFO L87 Difference]: Start difference. First operand has 499 states, 474 states have (on average 1.6244725738396624) internal successors, (770), 490 states have internal predecessors, (770), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:06:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:57,166 INFO L93 Difference]: Finished difference Result 994 states and 1611 transitions. [2024-11-07 23:06:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:06:57,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 23:06:57,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:57,177 INFO L225 Difference]: With dead ends: 994 [2024-11-07 23:06:57,178 INFO L226 Difference]: Without dead ends: 430 [2024-11-07 23:06:57,182 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 23:06:57,185 INFO L432 NwaCegarLoop]: 714 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, 714 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 23:06:57,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:06:57,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-07 23:06:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-11-07 23:06:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 407 states have (on average 1.4545454545454546) internal successors, (592), 421 states have internal predecessors, (592), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 624 transitions. [2024-11-07 23:06:57,232 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 624 transitions. Word has length 6 [2024-11-07 23:06:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:57,232 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 624 transitions. [2024-11-07 23:06:57,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:06:57,233 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 624 transitions. [2024-11-07 23:06:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:06:57,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:57,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:06:57,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:06:57,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:57,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:57,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1364389279, now seen corresponding path program 1 times [2024-11-07 23:06:57,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:57,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962520014] [2024-11-07 23:06:57,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:57,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:57,305 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 23:06:57,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:57,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962520014] [2024-11-07 23:06:57,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962520014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:57,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:57,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:06:57,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125026005] [2024-11-07 23:06:57,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:57,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:06:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:57,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:06:57,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:06:57,307 INFO L87 Difference]: Start difference. First operand 430 states and 624 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:06:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:57,370 INFO L93 Difference]: Finished difference Result 850 states and 1238 transitions. [2024-11-07 23:06:57,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:06:57,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 23:06:57,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:57,376 INFO L225 Difference]: With dead ends: 850 [2024-11-07 23:06:57,377 INFO L226 Difference]: Without dead ends: 816 [2024-11-07 23:06:57,377 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 23:06:57,377 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 547 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:06:57,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1325 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:06:57,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-07 23:06:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 435. [2024-11-07 23:06:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.4490291262135921) internal successors, (597), 426 states have internal predecessors, (597), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 629 transitions. [2024-11-07 23:06:57,402 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 629 transitions. Word has length 6 [2024-11-07 23:06:57,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:57,403 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 629 transitions. [2024-11-07 23:06:57,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:06:57,403 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 629 transitions. [2024-11-07 23:06:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 23:06:57,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:57,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:57,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:06:57,408 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:57,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash -220519858, now seen corresponding path program 1 times [2024-11-07 23:06:57,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:57,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780907775] [2024-11-07 23:06:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:57,935 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 23:06:57,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:57,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780907775] [2024-11-07 23:06:57,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780907775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:57,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:57,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:06:57,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843797138] [2024-11-07 23:06:57,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:57,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:06:57,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:57,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:06:57,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:06:57,938 INFO L87 Difference]: Start difference. First operand 435 states and 629 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 23:06:58,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:58,038 INFO L93 Difference]: Finished difference Result 866 states and 1254 transitions. [2024-11-07 23:06:58,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:06:58,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 151 [2024-11-07 23:06:58,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:58,040 INFO L225 Difference]: With dead ends: 866 [2024-11-07 23:06:58,041 INFO L226 Difference]: Without dead ends: 438 [2024-11-07 23:06:58,042 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 23:06:58,043 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 108 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:06:58,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1695 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:06:58,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-07 23:06:58,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2024-11-07 23:06:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.4320388349514563) internal successors, (590), 426 states have internal predecessors, (590), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 622 transitions. [2024-11-07 23:06:58,066 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 622 transitions. Word has length 151 [2024-11-07 23:06:58,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:58,066 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 622 transitions. [2024-11-07 23:06:58,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 23:06:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 622 transitions. [2024-11-07 23:06:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 23:06:58,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:58,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:58,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:06:58,073 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:58,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash -315882022, now seen corresponding path program 1 times [2024-11-07 23:06:58,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:58,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467618384] [2024-11-07 23:06:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:58,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:58,315 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 23:06:58,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:58,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467618384] [2024-11-07 23:06:58,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467618384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:58,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:58,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:06:58,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891082242] [2024-11-07 23:06:58,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:58,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:06:58,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:58,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:06:58,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:06:58,319 INFO L87 Difference]: Start difference. First operand 435 states and 622 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:06:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:58,369 INFO L93 Difference]: Finished difference Result 869 states and 1246 transitions. [2024-11-07 23:06:58,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:06:58,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-07 23:06:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:58,372 INFO L225 Difference]: With dead ends: 869 [2024-11-07 23:06:58,373 INFO L226 Difference]: Without dead ends: 441 [2024-11-07 23:06:58,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 23:06:58,375 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:06:58,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1200 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:06:58,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-07 23:06:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-07 23:06:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 418 states have (on average 1.4258373205741626) internal successors, (596), 432 states have internal predecessors, (596), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 628 transitions. [2024-11-07 23:06:58,392 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 628 transitions. Word has length 151 [2024-11-07 23:06:58,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:58,393 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 628 transitions. [2024-11-07 23:06:58,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:06:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 628 transitions. [2024-11-07 23:06:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 23:06:58,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:58,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:58,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:06:58,396 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:58,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:58,397 INFO L85 PathProgramCache]: Analyzing trace with hash -803929128, now seen corresponding path program 1 times [2024-11-07 23:06:58,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:58,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100067816] [2024-11-07 23:06:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:58,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:58,562 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 23:06:58,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:58,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100067816] [2024-11-07 23:06:58,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100067816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:58,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:58,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:06:58,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148378895] [2024-11-07 23:06:58,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:58,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:06:58,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:58,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:06:58,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:06:58,563 INFO L87 Difference]: Start difference. First operand 441 states and 628 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:06:58,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:58,602 INFO L93 Difference]: Finished difference Result 1008 states and 1442 transitions. [2024-11-07 23:06:58,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:06:58,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-07 23:06:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:58,606 INFO L225 Difference]: With dead ends: 1008 [2024-11-07 23:06:58,606 INFO L226 Difference]: Without dead ends: 574 [2024-11-07 23:06:58,606 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 23:06:58,607 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 134 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:06:58,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:06:58,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-07 23:06:58,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-07 23:06:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 551 states have (on average 1.4301270417422867) internal successors, (788), 565 states have internal predecessors, (788), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 820 transitions. [2024-11-07 23:06:58,618 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 820 transitions. Word has length 151 [2024-11-07 23:06:58,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:58,618 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 820 transitions. [2024-11-07 23:06:58,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:06:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 820 transitions. [2024-11-07 23:06:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 23:06:58,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:58,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:58,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:06:58,620 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:58,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:58,621 INFO L85 PathProgramCache]: Analyzing trace with hash 562868969, now seen corresponding path program 1 times [2024-11-07 23:06:58,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:58,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419685563] [2024-11-07 23:06:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:58,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:06:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:06:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:58,870 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 23:06:58,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:58,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419685563] [2024-11-07 23:06:58,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419685563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:58,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:58,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:06:58,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839725775] [2024-11-07 23:06:58,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:58,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:06:58,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:58,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:06:58,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:06:58,871 INFO L87 Difference]: Start difference. First operand 574 states and 820 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 23:06:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:59,233 INFO L93 Difference]: Finished difference Result 1014 states and 1453 transitions. [2024-11-07 23:06:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:06:59,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 166 [2024-11-07 23:06:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:59,237 INFO L225 Difference]: With dead ends: 1014 [2024-11-07 23:06:59,237 INFO L226 Difference]: Without dead ends: 580 [2024-11-07 23:06:59,240 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 23:06:59,241 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 111 mSDsluCounter, 1530 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 2115 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:06:59,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 2115 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:06:59,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-07 23:06:59,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 574. [2024-11-07 23:06:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 551 states have (on average 1.4174228675136116) internal successors, (781), 565 states have internal predecessors, (781), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:06:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 813 transitions. [2024-11-07 23:06:59,258 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 813 transitions. Word has length 166 [2024-11-07 23:06:59,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:59,258 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 813 transitions. [2024-11-07 23:06:59,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 23:06:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 813 transitions. [2024-11-07 23:06:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 23:06:59,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:59,261 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:59,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:06:59,261 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:59,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:59,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2140341725, now seen corresponding path program 1 times [2024-11-07 23:06:59,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:59,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355859276] [2024-11-07 23:06:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:06:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:59,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:06:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:06:59,510 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 23:06:59,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:06:59,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355859276] [2024-11-07 23:06:59,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355859276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:06:59,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:06:59,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:06:59,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690906351] [2024-11-07 23:06:59,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:06:59,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:06:59,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:06:59,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:06:59,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:06:59,514 INFO L87 Difference]: Start difference. First operand 574 states and 813 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 23:06:59,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:06:59,803 INFO L93 Difference]: Finished difference Result 1199 states and 1707 transitions. [2024-11-07 23:06:59,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:06:59,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-11-07 23:06:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:06:59,807 INFO L225 Difference]: With dead ends: 1199 [2024-11-07 23:06:59,808 INFO L226 Difference]: Without dead ends: 765 [2024-11-07 23:06:59,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 23:06:59,809 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 325 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1685 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:06:59,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1685 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:06:59,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-07 23:06:59,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 762. [2024-11-07 23:06:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 736 states have (on average 1.4157608695652173) internal successors, (1042), 750 states have internal predecessors, (1042), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 23:06:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1080 transitions. [2024-11-07 23:06:59,831 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1080 transitions. Word has length 166 [2024-11-07 23:06:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:06:59,832 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1080 transitions. [2024-11-07 23:06:59,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 23:06:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1080 transitions. [2024-11-07 23:06:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 23:06:59,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:06:59,836 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:59,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:06:59,837 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:06:59,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:06:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1312918666, now seen corresponding path program 1 times [2024-11-07 23:06:59,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:06:59,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12156978] [2024-11-07 23:06:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:06:59,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:06:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:07:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:07:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:07:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:07:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:00,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:00,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12156978] [2024-11-07 23:07:00,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12156978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:07:00,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:07:00,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:07:00,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015624532] [2024-11-07 23:07:00,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:07:00,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:07:00,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:00,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:07:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:07:00,169 INFO L87 Difference]: Start difference. First operand 762 states and 1080 transitions. Second operand has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:00,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:00,484 INFO L93 Difference]: Finished difference Result 831 states and 1181 transitions. [2024-11-07 23:07:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:07:00,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-11-07 23:07:00,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:00,489 INFO L225 Difference]: With dead ends: 831 [2024-11-07 23:07:00,489 INFO L226 Difference]: Without dead ends: 829 [2024-11-07 23:07:00,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:07:00,490 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 377 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:00,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 2370 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:07:00,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-07 23:07:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 826. [2024-11-07 23:07:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 797 states have (on average 1.4052697616060226) internal successors, (1120), 811 states have internal predecessors, (1120), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 23:07:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1164 transitions. [2024-11-07 23:07:00,511 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1164 transitions. Word has length 181 [2024-11-07 23:07:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:00,511 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1164 transitions. [2024-11-07 23:07:00,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1164 transitions. [2024-11-07 23:07:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 23:07:00,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:00,514 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:00,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:07:00,515 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:00,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:00,515 INFO L85 PathProgramCache]: Analyzing trace with hash 257828500, now seen corresponding path program 1 times [2024-11-07 23:07:00,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:00,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672937391] [2024-11-07 23:07:00,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:00,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:07:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:07:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:07:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:07:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:00,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:00,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672937391] [2024-11-07 23:07:00,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672937391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:07:00,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427541130] [2024-11-07 23:07:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:00,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:00,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:07:00,838 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 23:07:00,839 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 23:07:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:01,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:07:01,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:07:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:01,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:07:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:01,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427541130] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:07:01,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:07:01,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-07 23:07:01,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423789624] [2024-11-07 23:07:01,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:07:01,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:07:01,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:01,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:07:01,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:07:01,718 INFO L87 Difference]: Start difference. First operand 826 states and 1164 transitions. Second operand has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 10 states have internal predecessors, (493), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:07:02,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:02,119 INFO L93 Difference]: Finished difference Result 1258 states and 1797 transitions. [2024-11-07 23:07:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:07:02,119 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 10 states have internal predecessors, (493), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 186 [2024-11-07 23:07:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:02,125 INFO L225 Difference]: With dead ends: 1258 [2024-11-07 23:07:02,125 INFO L226 Difference]: Without dead ends: 1224 [2024-11-07 23:07:02,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:07:02,127 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 1770 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 3995 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:02,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 3995 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:07:02,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-07 23:07:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1221. [2024-11-07 23:07:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1186 states have (on average 1.4038785834738616) internal successors, (1665), 1200 states have internal predecessors, (1665), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:07:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1721 transitions. [2024-11-07 23:07:02,159 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1721 transitions. Word has length 186 [2024-11-07 23:07:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:02,159 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1721 transitions. [2024-11-07 23:07:02,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 10 states have internal predecessors, (493), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:07:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1721 transitions. [2024-11-07 23:07:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 23:07:02,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:02,162 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:02,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 23:07:02,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:02,366 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:02,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash -640353115, now seen corresponding path program 1 times [2024-11-07 23:07:02,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:02,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254578984] [2024-11-07 23:07:02,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:02,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:07:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:07:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:07:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:07:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 23:07:03,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:03,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254578984] [2024-11-07 23:07:03,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254578984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:07:03,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160930789] [2024-11-07 23:07:03,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:03,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:07:03,055 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 23:07:03,056 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 23:07:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:03,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 23:07:03,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:07:03,533 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 23:07:03,545 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 23:07:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:04,174 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:07:04,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160930789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:07:04,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:07:04,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-07 23:07:04,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115599175] [2024-11-07 23:07:04,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:07:04,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:07:04,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:04,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:07:04,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:07:04,176 INFO L87 Difference]: Start difference. First operand 1221 states and 1721 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:05,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:05,760 INFO L93 Difference]: Finished difference Result 2386 states and 3359 transitions. [2024-11-07 23:07:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:07:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-11-07 23:07:05,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:05,766 INFO L225 Difference]: With dead ends: 2386 [2024-11-07 23:07:05,766 INFO L226 Difference]: Without dead ends: 1258 [2024-11-07 23:07:05,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:07:05,768 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 804 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:05,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 3627 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 23:07:05,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2024-11-07 23:07:05,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1253. [2024-11-07 23:07:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1218 states have (on average 1.3973727422003284) internal successors, (1702), 1232 states have internal predecessors, (1702), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:07:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1758 transitions. [2024-11-07 23:07:05,801 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1758 transitions. Word has length 187 [2024-11-07 23:07:05,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:05,802 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1758 transitions. [2024-11-07 23:07:05,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1758 transitions. [2024-11-07 23:07:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-07 23:07:05,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:05,804 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:05,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 23:07:06,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:06,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:06,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -406045904, now seen corresponding path program 1 times [2024-11-07 23:07:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683094717] [2024-11-07 23:07:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:07:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:06,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:07:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 23:07:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:06,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 23:07:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 23:07:06,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683094717] [2024-11-07 23:07:06,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683094717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:07:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125570214] [2024-11-07 23:07:06,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:06,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:06,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:07:06,503 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 23:07:06,504 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 23:07:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:06,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 23:07:06,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:07:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:06,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:07:06,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125570214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:07:06,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:07:06,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-07 23:07:06,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455050840] [2024-11-07 23:07:06,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:07:06,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:07:06,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:06,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:07:06,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:07:06,990 INFO L87 Difference]: Start difference. First operand 1253 states and 1758 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:07,151 INFO L93 Difference]: Finished difference Result 2472 states and 3469 transitions. [2024-11-07 23:07:07,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:07:07,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-07 23:07:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:07,156 INFO L225 Difference]: With dead ends: 2472 [2024-11-07 23:07:07,157 INFO L226 Difference]: Without dead ends: 1344 [2024-11-07 23:07:07,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:07:07,158 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 17 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:07,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1613 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:07:07,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-07 23:07:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1320. [2024-11-07 23:07:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1285 states have (on average 1.3859922178988326) internal successors, (1781), 1299 states have internal predecessors, (1781), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:07:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1837 transitions. [2024-11-07 23:07:07,182 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1837 transitions. Word has length 188 [2024-11-07 23:07:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:07,183 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 1837 transitions. [2024-11-07 23:07:07,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1837 transitions. [2024-11-07 23:07:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 23:07:07,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:07,184 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:07,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 23:07:07,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:07,389 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:07,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:07,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1291589536, now seen corresponding path program 1 times [2024-11-07 23:07:07,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:07,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619684814] [2024-11-07 23:07:07,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:07,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:07,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:07:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:07:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 23:07:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 23:07:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:07,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619684814] [2024-11-07 23:07:07,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619684814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:07:07,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:07:07,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:07:07,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927586957] [2024-11-07 23:07:07,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:07:07,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:07:07,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:07,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:07:07,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:07:07,753 INFO L87 Difference]: Start difference. First operand 1320 states and 1837 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:08,335 INFO L93 Difference]: Finished difference Result 2532 states and 3551 transitions. [2024-11-07 23:07:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:07:08,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-07 23:07:08,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:08,341 INFO L225 Difference]: With dead ends: 2532 [2024-11-07 23:07:08,341 INFO L226 Difference]: Without dead ends: 1341 [2024-11-07 23:07:08,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:07:08,343 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 14 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:08,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2459 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:07:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2024-11-07 23:07:08,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1332. [2024-11-07 23:07:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1297 states have (on average 1.38473400154202) internal successors, (1796), 1311 states have internal predecessors, (1796), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:07:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1852 transitions. [2024-11-07 23:07:08,374 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1852 transitions. Word has length 189 [2024-11-07 23:07:08,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:08,374 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1852 transitions. [2024-11-07 23:07:08,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1852 transitions. [2024-11-07 23:07:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 23:07:08,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:08,376 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:08,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:07:08,376 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:08,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:08,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1966529303, now seen corresponding path program 1 times [2024-11-07 23:07:08,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:08,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602342514] [2024-11-07 23:07:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:08,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:07:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:08,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:07:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 23:07:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:07:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:07:08,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:08,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602342514] [2024-11-07 23:07:08,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602342514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:07:08,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:07:08,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:07:08,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986830774] [2024-11-07 23:07:08,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:07:08,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:07:08,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:08,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:07:08,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:07:08,719 INFO L87 Difference]: Start difference. First operand 1332 states and 1852 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:09,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:09,426 INFO L93 Difference]: Finished difference Result 2560 states and 3589 transitions. [2024-11-07 23:07:09,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:07:09,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-07 23:07:09,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:09,431 INFO L225 Difference]: With dead ends: 2560 [2024-11-07 23:07:09,431 INFO L226 Difference]: Without dead ends: 1368 [2024-11-07 23:07:09,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:07:09,434 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 18 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:09,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3318 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:07:09,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-11-07 23:07:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1356. [2024-11-07 23:07:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1321 states have (on average 1.384557153671461) internal successors, (1829), 1335 states have internal predecessors, (1829), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:07:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1885 transitions. [2024-11-07 23:07:09,464 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1885 transitions. Word has length 190 [2024-11-07 23:07:09,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:09,465 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1885 transitions. [2024-11-07 23:07:09,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:07:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1885 transitions. [2024-11-07 23:07:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 23:07:09,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:09,467 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:09,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:07:09,468 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:09,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash -132137523, now seen corresponding path program 1 times [2024-11-07 23:07:09,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:09,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860015822] [2024-11-07 23:07:09,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:09,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:07:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:09,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:07:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:09,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 23:07:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:07:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 23:07:09,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:09,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860015822] [2024-11-07 23:07:09,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860015822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:07:09,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971700906] [2024-11-07 23:07:09,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:09,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:09,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:07:09,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:07:09,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 23:07:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:10,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:07:10,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:07:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 23:07:10,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:07:10,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971700906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:07:10,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:07:10,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-07 23:07:10,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952801156] [2024-11-07 23:07:10,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:07:10,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:07:10,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:07:10,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:07:10,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:07:10,584 INFO L87 Difference]: Start difference. First operand 1356 states and 1885 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:07:10,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:07:10,620 INFO L93 Difference]: Finished difference Result 2527 states and 3534 transitions. [2024-11-07 23:07:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:07:10,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-07 23:07:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:07:10,626 INFO L225 Difference]: With dead ends: 2527 [2024-11-07 23:07:10,626 INFO L226 Difference]: Without dead ends: 1359 [2024-11-07 23:07:10,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:07:10,627 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:07:10,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1811 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:07:10,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-11-07 23:07:10,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1359. [2024-11-07 23:07:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1323 states have (on average 1.3847316704459562) internal successors, (1832), 1338 states have internal predecessors, (1832), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2024-11-07 23:07:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1894 transitions. [2024-11-07 23:07:10,653 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1894 transitions. Word has length 190 [2024-11-07 23:07:10,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:07:10,653 INFO L471 AbstractCegarLoop]: Abstraction has 1359 states and 1894 transitions. [2024-11-07 23:07:10,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:07:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1894 transitions. [2024-11-07 23:07:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-07 23:07:10,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:07:10,655 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:10,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 23:07:10,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 23:07:10,856 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:07:10,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:07:10,856 INFO L85 PathProgramCache]: Analyzing trace with hash -189076983, now seen corresponding path program 1 times [2024-11-07 23:07:10,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:07:10,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424670628] [2024-11-07 23:07:10,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:07:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:07:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:11,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 23:07:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:11,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 23:07:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:11,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 23:07:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-07 23:07:11,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:07:11,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424670628] [2024-11-07 23:07:11,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424670628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:07:11,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883000350] [2024-11-07 23:07:11,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:07:11,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:07:11,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:07:11,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:07:11,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 23:07:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:07:12,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-07 23:07:12,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:07:12,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 23:07:12,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 23:07:12,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2024-11-07 23:07:12,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-07 23:07:12,498 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-07 23:07:12,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-07 23:07:12,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-07 23:07:12,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-07 23:07:12,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-07 23:07:12,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 23:07:12,701 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-07 23:07:12,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-07 23:07:12,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-11-07 23:07:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver