./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:19:28,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:19:28,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:19:28,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:19:28,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:19:28,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:19:28,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:19:28,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:19:28,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:19:28,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:19:28,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:19:28,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:19:28,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:19:28,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:19:28,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:19:28,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:19:28,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:19:28,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:19:28,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:19:28,844 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 -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2024-11-07 23:19:29,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:19:29,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:19:29,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:19:29,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:19:29,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:19:29,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2024-11-07 23:19:30,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:19:30,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:19:30,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2024-11-07 23:19:30,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1d3af0163/c742df392f524595bf997b72cbabf8df/FLAG7743d6eb7 [2024-11-07 23:19:30,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1d3af0163/c742df392f524595bf997b72cbabf8df [2024-11-07 23:19:30,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:19:30,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:19:30,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:19:30,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:19:30,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:19:30,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:19:30" (1/1) ... [2024-11-07 23:19:30,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c0d581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:30, skipping insertion in model container [2024-11-07 23:19:30,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:19:30" (1/1) ... [2024-11-07 23:19:30,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:19:30,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:19:30,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:19:31,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:19:31,100 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:19:31,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31 WrapperNode [2024-11-07 23:19:31,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:19:31,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:19:31,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:19:31,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:19:31,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,181 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1487 [2024-11-07 23:19:31,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:19:31,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:19:31,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:19:31,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:19:31,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,258 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2024-11-07 23:19:31,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:19:31,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:19:31,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:19:31,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:19:31,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (1/1) ... [2024-11-07 23:19:31,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:19:31,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:31,331 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 23:19:31,335 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 23:19:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:19:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-07 23:19:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-07 23:19:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:19:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:19:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 23:19:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:19:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:19:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-07 23:19:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-07 23:19:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:19:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-07 23:19:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 23:19:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:19:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:19:31,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:19:31,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:19:32,663 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-07 23:19:32,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:19:32,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:19:32,674 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-07 23:19:32,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:19:32 BoogieIcfgContainer [2024-11-07 23:19:32,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:19:32,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:19:32,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:19:32,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:19:32,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:19:30" (1/3) ... [2024-11-07 23:19:32,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29416930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:19:32, skipping insertion in model container [2024-11-07 23:19:32,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:19:31" (2/3) ... [2024-11-07 23:19:32,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29416930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:19:32, skipping insertion in model container [2024-11-07 23:19:32,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:19:32" (3/3) ... [2024-11-07 23:19:32,685 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test6-1.i [2024-11-07 23:19:32,698 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:19:32,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-07 23:19:32,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:19:32,747 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;@687334b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:19:32,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-07 23:19:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 462 states, 425 states have (on average 1.6070588235294119) internal successors, (683), 442 states have internal predecessors, (683), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 23:19:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:19:32,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:32,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:32,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:32,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:32,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1635847084, now seen corresponding path program 1 times [2024-11-07 23:19:32,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:32,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071170283] [2024-11-07 23:19:32,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:32,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:32,890 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 23:19:32,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:32,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071170283] [2024-11-07 23:19:32,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071170283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:32,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:32,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:19:32,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196180058] [2024-11-07 23:19:32,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:32,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:19:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:32,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:19:32,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:19:32,907 INFO L87 Difference]: Start difference. First operand has 462 states, 425 states have (on average 1.6070588235294119) internal successors, (683), 442 states have internal predecessors, (683), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:32,953 INFO L93 Difference]: Finished difference Result 917 states and 1441 transitions. [2024-11-07 23:19:32,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:19:32,954 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 23:19:32,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:32,960 INFO L225 Difference]: With dead ends: 917 [2024-11-07 23:19:32,960 INFO L226 Difference]: Without dead ends: 443 [2024-11-07 23:19:32,963 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 23:19:32,965 INFO L432 NwaCegarLoop]: 641 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, 641 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 23:19:32,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:19:32,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-07 23:19:32,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-07 23:19:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 415 states have (on average 1.4481927710843374) internal successors, (601), 429 states have internal predecessors, (601), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:19:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 621 transitions. [2024-11-07 23:19:33,004 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 621 transitions. Word has length 8 [2024-11-07 23:19:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:33,004 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 621 transitions. [2024-11-07 23:19:33,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 621 transitions. [2024-11-07 23:19:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:19:33,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:33,005 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:33,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:19:33,005 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:33,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:33,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1635849006, now seen corresponding path program 1 times [2024-11-07 23:19:33,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:33,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775915193] [2024-11-07 23:19:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:33,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:19:33,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310391201] [2024-11-07 23:19:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:33,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:33,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:33,041 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 23:19:33,044 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 23:19:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:33,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:19:33,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:33,239 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 23:19:33,271 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 23:19:33,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:33,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:33,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775915193] [2024-11-07 23:19:33,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:19:33,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310391201] [2024-11-07 23:19:33,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310391201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:33,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:33,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:19:33,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570918144] [2024-11-07 23:19:33,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:33,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:19:33,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:33,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:19:33,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:19:33,274 INFO L87 Difference]: Start difference. First operand 443 states and 621 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:33,392 INFO L93 Difference]: Finished difference Result 852 states and 1209 transitions. [2024-11-07 23:19:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:19:33,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 23:19:33,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:33,395 INFO L225 Difference]: With dead ends: 852 [2024-11-07 23:19:33,395 INFO L226 Difference]: Without dead ends: 850 [2024-11-07 23:19:33,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:19:33,396 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 562 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:33,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1780 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:19:33,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-07 23:19:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 450. [2024-11-07 23:19:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4431279620853081) internal successors, (609), 436 states have internal predecessors, (609), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:19:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2024-11-07 23:19:33,418 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 8 [2024-11-07 23:19:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:33,418 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2024-11-07 23:19:33,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2024-11-07 23:19:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:19:33,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:33,421 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] [2024-11-07 23:19:33,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 23:19:33,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:33,622 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:33,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:33,623 INFO L85 PathProgramCache]: Analyzing trace with hash 185472285, now seen corresponding path program 1 times [2024-11-07 23:19:33,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:33,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073400211] [2024-11-07 23:19:33,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:33,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:33,887 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 23:19:33,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:33,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073400211] [2024-11-07 23:19:33,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073400211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:33,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:33,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:19:33,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535644950] [2024-11-07 23:19:33,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:33,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:19:33,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:33,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:19:33,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:19:33,890 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:33,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:33,969 INFO L93 Difference]: Finished difference Result 894 states and 1251 transitions. [2024-11-07 23:19:33,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:19:33,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-07 23:19:33,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:33,971 INFO L225 Difference]: With dead ends: 894 [2024-11-07 23:19:33,971 INFO L226 Difference]: Without dead ends: 453 [2024-11-07 23:19:33,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:19:33,973 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 105 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:33,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1686 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:19:33,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-07 23:19:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-07 23:19:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4265402843601895) internal successors, (602), 436 states have internal predecessors, (602), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:19:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 622 transitions. [2024-11-07 23:19:33,996 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 622 transitions. Word has length 64 [2024-11-07 23:19:33,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:33,996 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 622 transitions. [2024-11-07 23:19:33,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2024-11-07 23:19:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:19:33,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:33,998 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] [2024-11-07 23:19:33,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:19:33,998 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:33,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:33,998 INFO L85 PathProgramCache]: Analyzing trace with hash -878727663, now seen corresponding path program 1 times [2024-11-07 23:19:33,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:33,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15683711] [2024-11-07 23:19:33,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:33,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:34,248 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 23:19:34,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:34,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15683711] [2024-11-07 23:19:34,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15683711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:34,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:34,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:19:34,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682865079] [2024-11-07 23:19:34,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:34,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:19:34,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:34,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:19:34,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:19:34,250 INFO L87 Difference]: Start difference. First operand 450 states and 622 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:34,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:34,300 INFO L93 Difference]: Finished difference Result 820 states and 1146 transitions. [2024-11-07 23:19:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:19:34,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-07 23:19:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:34,307 INFO L225 Difference]: With dead ends: 820 [2024-11-07 23:19:34,307 INFO L226 Difference]: Without dead ends: 816 [2024-11-07 23:19:34,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:19:34,309 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 456 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:34,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1820 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:19:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-07 23:19:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 808. [2024-11-07 23:19:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 777 states have (on average 1.4362934362934363) internal successors, (1116), 792 states have internal predecessors, (1116), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:19:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1142 transitions. [2024-11-07 23:19:34,335 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1142 transitions. Word has length 64 [2024-11-07 23:19:34,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:34,335 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1142 transitions. [2024-11-07 23:19:34,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:19:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1142 transitions. [2024-11-07 23:19:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 23:19:34,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:34,339 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] [2024-11-07 23:19:34,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:19:34,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:34,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:34,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1138317444, now seen corresponding path program 1 times [2024-11-07 23:19:34,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:34,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147766781] [2024-11-07 23:19:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:34,559 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 23:19:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147766781] [2024-11-07 23:19:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147766781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:34,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:34,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:19:34,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23486442] [2024-11-07 23:19:34,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:34,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:19:34,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:34,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:19:34,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:19:34,561 INFO L87 Difference]: Start difference. First operand 808 states and 1142 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 23:19:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:34,672 INFO L93 Difference]: Finished difference Result 1821 states and 2600 transitions. [2024-11-07 23:19:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:19:34,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 70 [2024-11-07 23:19:34,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:34,681 INFO L225 Difference]: With dead ends: 1821 [2024-11-07 23:19:34,682 INFO L226 Difference]: Without dead ends: 1421 [2024-11-07 23:19:34,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:19:34,684 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 557 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:34,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1848 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:19:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-07 23:19:34,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 808. [2024-11-07 23:19:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 777 states have (on average 1.435006435006435) internal successors, (1115), 792 states have internal predecessors, (1115), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:19:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1141 transitions. [2024-11-07 23:19:34,718 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1141 transitions. Word has length 70 [2024-11-07 23:19:34,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:34,719 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1141 transitions. [2024-11-07 23:19:34,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 23:19:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1141 transitions. [2024-11-07 23:19:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 23:19:34,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:34,720 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] [2024-11-07 23:19:34,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:19:34,720 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:34,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:34,720 INFO L85 PathProgramCache]: Analyzing trace with hash -238535306, now seen corresponding path program 1 times [2024-11-07 23:19:34,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:34,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355197489] [2024-11-07 23:19:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:34,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:34,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:34,945 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 23:19:34,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:34,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355197489] [2024-11-07 23:19:34,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355197489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:34,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:34,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:19:34,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006925972] [2024-11-07 23:19:34,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:34,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:19:34,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:34,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:19:34,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:19:34,948 INFO L87 Difference]: Start difference. First operand 808 states and 1141 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:19:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:35,069 INFO L93 Difference]: Finished difference Result 1038 states and 1455 transitions. [2024-11-07 23:19:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:19:35,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2024-11-07 23:19:35,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:35,074 INFO L225 Difference]: With dead ends: 1038 [2024-11-07 23:19:35,075 INFO L226 Difference]: Without dead ends: 1036 [2024-11-07 23:19:35,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:19:35,076 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 513 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:35,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1752 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:19:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-07 23:19:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1026. [2024-11-07 23:19:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 987 states have (on average 1.4356636271529888) internal successors, (1417), 1003 states have internal predecessors, (1417), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 23:19:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1453 transitions. [2024-11-07 23:19:35,103 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1453 transitions. Word has length 74 [2024-11-07 23:19:35,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:35,104 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1453 transitions. [2024-11-07 23:19:35,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:19:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1453 transitions. [2024-11-07 23:19:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 23:19:35,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:35,105 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 23:19:35,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:19:35,105 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:35,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:35,106 INFO L85 PathProgramCache]: Analyzing trace with hash -676007271, now seen corresponding path program 1 times [2024-11-07 23:19:35,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:35,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068030548] [2024-11-07 23:19:35,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:35,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:35,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:19:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:35,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:35,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068030548] [2024-11-07 23:19:35,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068030548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:35,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164774411] [2024-11-07 23:19:35,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:35,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:35,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:35,493 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 23:19:35,503 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 23:19:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:35,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:19:35,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:35,801 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:35,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164774411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:35,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:35,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 23:19:35,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882351724] [2024-11-07 23:19:35,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:35,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:19:35,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:35,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:19:35,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:19:35,803 INFO L87 Difference]: Start difference. First operand 1026 states and 1453 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 23:19:35,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:35,862 INFO L93 Difference]: Finished difference Result 1394 states and 1975 transitions. [2024-11-07 23:19:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:19:35,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-07 23:19:35,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:35,867 INFO L225 Difference]: With dead ends: 1394 [2024-11-07 23:19:35,867 INFO L226 Difference]: Without dead ends: 1393 [2024-11-07 23:19:35,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:19:35,868 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 579 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:35,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 2344 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:19:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-07 23:19:35,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1189. [2024-11-07 23:19:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1148 states have (on average 1.4355400696864111) internal successors, (1648), 1165 states have internal predecessors, (1648), 20 states have call successors, (20), 10 states have call predecessors, (20), 7 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 23:19:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1688 transitions. [2024-11-07 23:19:35,899 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1688 transitions. Word has length 83 [2024-11-07 23:19:35,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:35,899 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1688 transitions. [2024-11-07 23:19:35,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 23:19:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1688 transitions. [2024-11-07 23:19:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 23:19:35,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:35,900 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 23:19:35,927 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 23:19:36,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:36,101 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:36,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:36,101 INFO L85 PathProgramCache]: Analyzing trace with hash 518611120, now seen corresponding path program 1 times [2024-11-07 23:19:36,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:36,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010382189] [2024-11-07 23:19:36,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:36,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:36,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:19:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:36,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010382189] [2024-11-07 23:19:36,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010382189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949270364] [2024-11-07 23:19:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:36,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:36,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:36,391 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 23:19:36,394 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 23:19:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:36,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:19:36,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:36,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:19:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:36,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949270364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:19:36,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:19:36,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-07 23:19:36,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586119134] [2024-11-07 23:19:36,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:19:36,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 23:19:36,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:36,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 23:19:36,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:19:36,971 INFO L87 Difference]: Start difference. First operand 1189 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 23:19:38,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:38,305 INFO L93 Difference]: Finished difference Result 3238 states and 4588 transitions. [2024-11-07 23:19:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 23:19:38,306 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 84 [2024-11-07 23:19:38,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:38,319 INFO L225 Difference]: With dead ends: 3238 [2024-11-07 23:19:38,319 INFO L226 Difference]: Without dead ends: 3236 [2024-11-07 23:19:38,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2024-11-07 23:19:38,321 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 6424 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6434 SdHoareTripleChecker+Valid, 7085 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:38,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6434 Valid, 7085 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:19:38,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2024-11-07 23:19:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 2747. [2024-11-07 23:19:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 2659 states have (on average 1.4287326062429484) internal successors, (3799), 2678 states have internal predecessors, (3799), 56 states have call successors, (56), 23 states have call predecessors, (56), 18 states have return successors, (79), 45 states have call predecessors, (79), 56 states have call successors, (79) [2024-11-07 23:19:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3934 transitions. [2024-11-07 23:19:38,413 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3934 transitions. Word has length 84 [2024-11-07 23:19:38,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:38,413 INFO L471 AbstractCegarLoop]: Abstraction has 2747 states and 3934 transitions. [2024-11-07 23:19:38,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 23:19:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3934 transitions. [2024-11-07 23:19:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:19:38,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:38,415 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] [2024-11-07 23:19:38,429 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 23:19:38,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:38,616 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:38,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1558756002, now seen corresponding path program 1 times [2024-11-07 23:19:38,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:38,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794177251] [2024-11-07 23:19:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:38,713 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 23:19:38,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:38,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794177251] [2024-11-07 23:19:38,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794177251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:38,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:38,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:19:38,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131285734] [2024-11-07 23:19:38,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:38,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:19:38,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:38,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:19:38,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:19:38,715 INFO L87 Difference]: Start difference. First operand 2747 states and 3934 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 23:19:38,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:38,853 INFO L93 Difference]: Finished difference Result 5553 states and 7970 transitions. [2024-11-07 23:19:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:19:38,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2024-11-07 23:19:38,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:38,864 INFO L225 Difference]: With dead ends: 5553 [2024-11-07 23:19:38,864 INFO L226 Difference]: Without dead ends: 2815 [2024-11-07 23:19:38,867 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 23:19:38,869 INFO L432 NwaCegarLoop]: 798 mSDtfsCounter, 374 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:38,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1387 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:19:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2024-11-07 23:19:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2804. [2024-11-07 23:19:38,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2723 states have (on average 1.4348145427836945) internal successors, (3907), 2741 states have internal predecessors, (3907), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-07 23:19:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4029 transitions. [2024-11-07 23:19:38,930 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4029 transitions. Word has length 82 [2024-11-07 23:19:38,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:38,931 INFO L471 AbstractCegarLoop]: Abstraction has 2804 states and 4029 transitions. [2024-11-07 23:19:38,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 23:19:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4029 transitions. [2024-11-07 23:19:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 23:19:38,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:38,932 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:38,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:19:38,932 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:38,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:38,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2014395234, now seen corresponding path program 1 times [2024-11-07 23:19:38,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:38,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566520635] [2024-11-07 23:19:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:38,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:39,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:39,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:19:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:39,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:19:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 23:19:39,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:39,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566520635] [2024-11-07 23:19:39,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566520635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:39,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127741510] [2024-11-07 23:19:39,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:39,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:39,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:39,208 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 23:19:39,209 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 23:19:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:39,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:19:39,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:39,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:19:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 23:19:39,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127741510] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:39,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:19:39,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-07 23:19:39,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575378318] [2024-11-07 23:19:39,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:39,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:19:39,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:39,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:19:39,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:19:39,717 INFO L87 Difference]: Start difference. First operand 2804 states and 4029 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 23:19:39,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:39,795 INFO L93 Difference]: Finished difference Result 2804 states and 4029 transitions. [2024-11-07 23:19:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:19:39,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 93 [2024-11-07 23:19:39,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:39,804 INFO L225 Difference]: With dead ends: 2804 [2024-11-07 23:19:39,805 INFO L226 Difference]: Without dead ends: 2803 [2024-11-07 23:19:39,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:19:39,805 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 1188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:39,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 610 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:19:39,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-07 23:19:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2024-11-07 23:19:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2723 states have (on average 1.4329783327212633) internal successors, (3902), 2740 states have internal predecessors, (3902), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-07 23:19:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 4024 transitions. [2024-11-07 23:19:39,859 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 4024 transitions. Word has length 93 [2024-11-07 23:19:39,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:39,859 INFO L471 AbstractCegarLoop]: Abstraction has 2803 states and 4024 transitions. [2024-11-07 23:19:39,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 23:19:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 4024 transitions. [2024-11-07 23:19:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 23:19:39,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:39,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:39,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 23:19:40,060 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,SelfDestructingSolverStorable9 [2024-11-07 23:19:40,061 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:40,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:40,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1978257255, now seen corresponding path program 1 times [2024-11-07 23:19:40,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:40,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819824499] [2024-11-07 23:19:40,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:40,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:40,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:40,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:19:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:19:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 23:19:40,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:40,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819824499] [2024-11-07 23:19:40,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819824499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:40,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991860764] [2024-11-07 23:19:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:40,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:40,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:40,355 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 23:19:40,356 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 23:19:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:40,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:19:40,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:40,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:19:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 23:19:40,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991860764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:19:40,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:19:40,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-07 23:19:40,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220799937] [2024-11-07 23:19:40,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:19:40,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:19:40,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:40,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:19:40,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:19:40,872 INFO L87 Difference]: Start difference. First operand 2803 states and 4024 transitions. Second operand has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-07 23:19:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:41,438 INFO L93 Difference]: Finished difference Result 5398 states and 7716 transitions. [2024-11-07 23:19:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:19:41,439 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 94 [2024-11-07 23:19:41,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:41,454 INFO L225 Difference]: With dead ends: 5398 [2024-11-07 23:19:41,454 INFO L226 Difference]: Without dead ends: 5397 [2024-11-07 23:19:41,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-11-07 23:19:41,455 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 2153 mSDsluCounter, 3913 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:41,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 4487 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:19:41,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2024-11-07 23:19:41,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5014. [2024-11-07 23:19:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5014 states, 4858 states have (on average 1.4275421984355703) internal successors, (6935), 4878 states have internal predecessors, (6935), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137) [2024-11-07 23:19:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 7171 transitions. [2024-11-07 23:19:41,557 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 7171 transitions. Word has length 94 [2024-11-07 23:19:41,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:41,557 INFO L471 AbstractCegarLoop]: Abstraction has 5014 states and 7171 transitions. [2024-11-07 23:19:41,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-07 23:19:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 7171 transitions. [2024-11-07 23:19:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 23:19:41,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:41,559 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:41,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 23:19:41,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 23:19:41,763 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:41,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1276458826, now seen corresponding path program 1 times [2024-11-07 23:19:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:41,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059797636] [2024-11-07 23:19:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:41,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:19:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:19:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:19:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:42,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:42,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059797636] [2024-11-07 23:19:42,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059797636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:42,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:42,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:19:42,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722394073] [2024-11-07 23:19:42,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:42,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:19:42,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:42,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:19:42,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:19:42,072 INFO L87 Difference]: Start difference. First operand 5014 states and 7171 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 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 23:19:42,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:42,491 INFO L93 Difference]: Finished difference Result 6550 states and 9380 transitions. [2024-11-07 23:19:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:19:42,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 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 120 [2024-11-07 23:19:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:42,520 INFO L225 Difference]: With dead ends: 6550 [2024-11-07 23:19:42,520 INFO L226 Difference]: Without dead ends: 6548 [2024-11-07 23:19:42,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:19:42,523 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 512 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:42,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2666 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:19:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2024-11-07 23:19:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 5182. [2024-11-07 23:19:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5017 states have (on average 1.4217659956149094) internal successors, (7133), 5038 states have internal predecessors, (7133), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149) [2024-11-07 23:19:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 7390 transitions. [2024-11-07 23:19:42,633 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 7390 transitions. Word has length 120 [2024-11-07 23:19:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:42,633 INFO L471 AbstractCegarLoop]: Abstraction has 5182 states and 7390 transitions. [2024-11-07 23:19:42,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 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 23:19:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 7390 transitions. [2024-11-07 23:19:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-07 23:19:42,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:42,637 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:42,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:19:42,637 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:42,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:42,638 INFO L85 PathProgramCache]: Analyzing trace with hash -543684962, now seen corresponding path program 1 times [2024-11-07 23:19:42,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:42,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198513798] [2024-11-07 23:19:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:19:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:19:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:19:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 23:19:42,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:42,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198513798] [2024-11-07 23:19:42,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198513798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:42,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397754277] [2024-11-07 23:19:42,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:42,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:42,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:42,932 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:19:42,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 23:19:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:43,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 23:19:43,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 23:19:43,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:43,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397754277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:43,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:43,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-07 23:19:43,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125875454] [2024-11-07 23:19:43,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:43,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:19:43,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:43,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:19:43,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:19:43,330 INFO L87 Difference]: Start difference. First operand 5182 states and 7390 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 23:19:43,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:43,503 INFO L93 Difference]: Finished difference Result 9710 states and 13884 transitions. [2024-11-07 23:19:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:19:43,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 127 [2024-11-07 23:19:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:43,514 INFO L225 Difference]: With dead ends: 9710 [2024-11-07 23:19:43,514 INFO L226 Difference]: Without dead ends: 4932 [2024-11-07 23:19:43,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:19:43,520 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 161 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:43,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 2893 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:19:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2024-11-07 23:19:43,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2024-11-07 23:19:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4932 states, 4784 states have (on average 1.425376254180602) internal successors, (6819), 4803 states have internal predecessors, (6819), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 7048 transitions. [2024-11-07 23:19:43,645 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 7048 transitions. Word has length 127 [2024-11-07 23:19:43,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:43,645 INFO L471 AbstractCegarLoop]: Abstraction has 4932 states and 7048 transitions. [2024-11-07 23:19:43,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 23:19:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 7048 transitions. [2024-11-07 23:19:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 23:19:43,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:43,647 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:43,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 23:19:43,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 23:19:43,852 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:43,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:43,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1097892489, now seen corresponding path program 1 times [2024-11-07 23:19:43,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:43,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828966817] [2024-11-07 23:19:43,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:43,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:19:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 23:19:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 23:19:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:19:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 23:19:44,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828966817] [2024-11-07 23:19:44,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828966817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221720090] [2024-11-07 23:19:44,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:44,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:44,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:44,214 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:19:44,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 23:19:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:44,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 23:19:44,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:44,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:44,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221720090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:44,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:44,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:19:44,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459270262] [2024-11-07 23:19:44,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:44,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:19:44,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:44,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:19:44,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:19:44,708 INFO L87 Difference]: Start difference. First operand 4932 states and 7048 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:47,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 23:19:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:48,034 INFO L93 Difference]: Finished difference Result 10282 states and 14661 transitions. [2024-11-07 23:19:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:19:48,034 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 132 [2024-11-07 23:19:48,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:48,045 INFO L225 Difference]: With dead ends: 10282 [2024-11-07 23:19:48,045 INFO L226 Difference]: Without dead ends: 5439 [2024-11-07 23:19:48,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:19:48,051 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 15 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:48,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2882 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 23:19:48,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2024-11-07 23:19:48,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5387. [2024-11-07 23:19:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5239 states have (on average 1.4082840236686391) internal successors, (7378), 5258 states have internal predecessors, (7378), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7607 transitions. [2024-11-07 23:19:48,140 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7607 transitions. Word has length 132 [2024-11-07 23:19:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:48,140 INFO L471 AbstractCegarLoop]: Abstraction has 5387 states and 7607 transitions. [2024-11-07 23:19:48,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7607 transitions. [2024-11-07 23:19:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 23:19:48,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:48,142 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:48,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 23:19:48,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:48,343 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:48,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:48,343 INFO L85 PathProgramCache]: Analyzing trace with hash 879671620, now seen corresponding path program 1 times [2024-11-07 23:19:48,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:48,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882903006] [2024-11-07 23:19:48,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:48,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:19:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:48,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 23:19:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 23:19:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:48,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 23:19:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:48,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:48,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882903006] [2024-11-07 23:19:48,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882903006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:48,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:48,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:19:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142527564] [2024-11-07 23:19:48,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:48,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:19:48,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:19:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:19:48,651 INFO L87 Difference]: Start difference. First operand 5387 states and 7607 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:19:49,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:49,386 INFO L93 Difference]: Finished difference Result 10744 states and 15200 transitions. [2024-11-07 23:19:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:19:49,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 133 [2024-11-07 23:19:49,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:49,397 INFO L225 Difference]: With dead ends: 10744 [2024-11-07 23:19:49,397 INFO L226 Difference]: Without dead ends: 5491 [2024-11-07 23:19:49,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:19:49,404 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 57 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:49,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3741 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:19:49,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5491 states. [2024-11-07 23:19:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5491 to 5439. [2024-11-07 23:19:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5291 states have (on average 1.4091854091854092) internal successors, (7456), 5310 states have internal predecessors, (7456), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7685 transitions. [2024-11-07 23:19:49,509 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7685 transitions. Word has length 133 [2024-11-07 23:19:49,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:49,509 INFO L471 AbstractCegarLoop]: Abstraction has 5439 states and 7685 transitions. [2024-11-07 23:19:49,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:19:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7685 transitions. [2024-11-07 23:19:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 23:19:49,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:49,510 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:49,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 23:19:49,510 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:49,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:49,510 INFO L85 PathProgramCache]: Analyzing trace with hash -721549227, now seen corresponding path program 1 times [2024-11-07 23:19:49,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:49,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406269528] [2024-11-07 23:19:49,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:49,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:19:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:49,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:49,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 23:19:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:49,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 23:19:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:49,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 23:19:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:49,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406269528] [2024-11-07 23:19:49,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406269528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:49,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:49,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:19:49,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839437180] [2024-11-07 23:19:49,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:49,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:19:49,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:49,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:19:49,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:19:49,886 INFO L87 Difference]: Start difference. First operand 5439 states and 7685 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:19:50,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:50,940 INFO L93 Difference]: Finished difference Result 11031 states and 15603 transitions. [2024-11-07 23:19:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:19:50,941 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 134 [2024-11-07 23:19:50,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:50,953 INFO L225 Difference]: With dead ends: 11031 [2024-11-07 23:19:50,953 INFO L226 Difference]: Without dead ends: 5725 [2024-11-07 23:19:50,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:19:50,959 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 79 mSDsluCounter, 4144 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 4706 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:50,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 4706 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 23:19:50,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5725 states. [2024-11-07 23:19:51,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5725 to 5595. [2024-11-07 23:19:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5447 states have (on average 1.4093996695428677) internal successors, (7677), 5466 states have internal predecessors, (7677), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7906 transitions. [2024-11-07 23:19:51,039 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7906 transitions. Word has length 134 [2024-11-07 23:19:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:51,040 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7906 transitions. [2024-11-07 23:19:51,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:19:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7906 transitions. [2024-11-07 23:19:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 23:19:51,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:51,042 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:51,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:19:51,042 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:51,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:51,042 INFO L85 PathProgramCache]: Analyzing trace with hash 495986798, now seen corresponding path program 1 times [2024-11-07 23:19:51,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:51,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406024579] [2024-11-07 23:19:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:51,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:19:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 23:19:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 23:19:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 23:19:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 23:19:51,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:51,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406024579] [2024-11-07 23:19:51,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406024579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:51,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253921745] [2024-11-07 23:19:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:51,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:51,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:51,391 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:19:51,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 23:19:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:51,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 23:19:51,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:51,715 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 23:19:51,729 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 23:19:51,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-07 23:19:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:52,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:52,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253921745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:52,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:52,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-07 23:19:52,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476251268] [2024-11-07 23:19:52,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:52,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:19:52,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:52,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:19:52,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:19:52,263 INFO L87 Difference]: Start difference. First operand 5595 states and 7906 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:53,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:53,295 INFO L93 Difference]: Finished difference Result 12432 states and 17619 transitions. [2024-11-07 23:19:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:19:53,296 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 134 [2024-11-07 23:19:53,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:53,306 INFO L225 Difference]: With dead ends: 12432 [2024-11-07 23:19:53,306 INFO L226 Difference]: Without dead ends: 6969 [2024-11-07 23:19:53,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-07 23:19:53,312 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 831 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 3049 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:53,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 3049 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:19:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2024-11-07 23:19:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 5583. [2024-11-07 23:19:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5435 states have (on average 1.4091996320147193) internal successors, (7659), 5454 states have internal predecessors, (7659), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 7888 transitions. [2024-11-07 23:19:53,389 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 7888 transitions. Word has length 134 [2024-11-07 23:19:53,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:53,389 INFO L471 AbstractCegarLoop]: Abstraction has 5583 states and 7888 transitions. [2024-11-07 23:19:53,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 7888 transitions. [2024-11-07 23:19:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 23:19:53,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:53,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:53,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 23:19:53,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 23:19:53,595 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:53,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:53,595 INFO L85 PathProgramCache]: Analyzing trace with hash -154304966, now seen corresponding path program 1 times [2024-11-07 23:19:53,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:53,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978958068] [2024-11-07 23:19:53,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:53,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:53,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 23:19:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:53,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:19:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 23:19:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 23:19:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:53,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:53,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978958068] [2024-11-07 23:19:53,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978958068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:53,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:19:53,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:19:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845537581] [2024-11-07 23:19:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:53,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:19:53,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:19:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:19:53,906 INFO L87 Difference]: Start difference. First operand 5583 states and 7888 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:19:54,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:54,759 INFO L93 Difference]: Finished difference Result 11282 states and 15937 transitions. [2024-11-07 23:19:54,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:19:54,759 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 136 [2024-11-07 23:19:54,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:54,773 INFO L225 Difference]: With dead ends: 11282 [2024-11-07 23:19:54,773 INFO L226 Difference]: Without dead ends: 5830 [2024-11-07 23:19:54,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:19:54,780 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 64 mSDsluCounter, 4148 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4710 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:54,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4710 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:19:54,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2024-11-07 23:19:54,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5665. [2024-11-07 23:19:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 5517 states have (on average 1.4080116005075223) internal successors, (7768), 5536 states have internal predecessors, (7768), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 7997 transitions. [2024-11-07 23:19:54,870 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 7997 transitions. Word has length 136 [2024-11-07 23:19:54,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:54,870 INFO L471 AbstractCegarLoop]: Abstraction has 5665 states and 7997 transitions. [2024-11-07 23:19:54,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:19:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 7997 transitions. [2024-11-07 23:19:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:19:54,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:54,872 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:54,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:19:54,872 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:54,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:54,872 INFO L85 PathProgramCache]: Analyzing trace with hash 477153959, now seen corresponding path program 1 times [2024-11-07 23:19:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:54,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973053217] [2024-11-07 23:19:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:19:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:19:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:19:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:19:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 23:19:55,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:55,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973053217] [2024-11-07 23:19:55,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973053217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:55,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746959451] [2024-11-07 23:19:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:55,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:55,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:55,368 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:19:55,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 23:19:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:55,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 23:19:55,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-07 23:19:55,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:55,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746959451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:55,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:55,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:19:55,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120194467] [2024-11-07 23:19:55,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:55,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:19:55,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:55,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:19:55,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:19:55,846 INFO L87 Difference]: Start difference. First operand 5665 states and 7997 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:56,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:56,275 INFO L93 Difference]: Finished difference Result 11359 states and 16058 transitions. [2024-11-07 23:19:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:19:56,276 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 137 [2024-11-07 23:19:56,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:56,287 INFO L225 Difference]: With dead ends: 11359 [2024-11-07 23:19:56,287 INFO L226 Difference]: Without dead ends: 5847 [2024-11-07 23:19:56,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:19:56,294 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 40 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:56,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3028 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:19:56,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2024-11-07 23:19:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5756. [2024-11-07 23:19:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5756 states, 5608 states have (on average 1.408345221112696) internal successors, (7898), 5627 states have internal predecessors, (7898), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:19:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 8127 transitions. [2024-11-07 23:19:56,406 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 8127 transitions. Word has length 137 [2024-11-07 23:19:56,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:56,406 INFO L471 AbstractCegarLoop]: Abstraction has 5756 states and 8127 transitions. [2024-11-07 23:19:56,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 8127 transitions. [2024-11-07 23:19:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:19:56,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:56,407 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:56,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 23:19:56,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:56,608 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:56,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:56,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1694689984, now seen corresponding path program 1 times [2024-11-07 23:19:56,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:56,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601953085] [2024-11-07 23:19:56,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:56,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:56,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:19:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:19:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:56,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:19:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:56,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:19:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 23:19:56,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:56,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601953085] [2024-11-07 23:19:56,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601953085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:56,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607836943] [2024-11-07 23:19:56,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:56,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:56,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:56,954 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:19:56,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 23:19:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:57,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 23:19:57,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:19:57,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:57,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607836943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:57,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:57,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-07 23:19:57,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035615914] [2024-11-07 23:19:57,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:57,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:19:57,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:57,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:19:57,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:19:57,462 INFO L87 Difference]: Start difference. First operand 5756 states and 8127 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 23:19:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:57,604 INFO L93 Difference]: Finished difference Result 9040 states and 12754 transitions. [2024-11-07 23:19:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:19:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 137 [2024-11-07 23:19:57,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:57,615 INFO L225 Difference]: With dead ends: 9040 [2024-11-07 23:19:57,615 INFO L226 Difference]: Without dead ends: 3467 [2024-11-07 23:19:57,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:19:57,622 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 13 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4800 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:57,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4800 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:19:57,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2024-11-07 23:19:57,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3465. [2024-11-07 23:19:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4064823074635742) internal successors, (4730), 3379 states have internal predecessors, (4730), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:19:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4849 transitions. [2024-11-07 23:19:57,687 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4849 transitions. Word has length 137 [2024-11-07 23:19:57,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:57,688 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4849 transitions. [2024-11-07 23:19:57,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 23:19:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4849 transitions. [2024-11-07 23:19:57,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:19:57,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:57,689 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:57,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 23:19:57,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:57,890 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:57,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:57,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1517491482, now seen corresponding path program 1 times [2024-11-07 23:19:57,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:57,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169245239] [2024-11-07 23:19:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:57,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:19:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:19:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:19:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:19:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:19:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 23:19:58,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:19:58,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169245239] [2024-11-07 23:19:58,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169245239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:19:58,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771983558] [2024-11-07 23:19:58,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:58,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:19:58,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:19:58,429 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:19:58,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 23:19:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:19:58,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 23:19:58,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:19:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 23:19:59,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:19:59,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771983558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:19:59,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:19:59,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-07 23:19:59,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616140363] [2024-11-07 23:19:59,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:19:59,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:19:59,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:19:59,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:19:59,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:19:59,092 INFO L87 Difference]: Start difference. First operand 3465 states and 4849 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:59,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:19:59,605 INFO L93 Difference]: Finished difference Result 6828 states and 9573 transitions. [2024-11-07 23:19:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:19:59,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 139 [2024-11-07 23:19:59,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:19:59,615 INFO L225 Difference]: With dead ends: 6828 [2024-11-07 23:19:59,615 INFO L226 Difference]: Without dead ends: 3518 [2024-11-07 23:19:59,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:19:59,627 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 10 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:19:59,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2943 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:19:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2024-11-07 23:19:59,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3465. [2024-11-07 23:19:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4064823074635742) internal successors, (4730), 3379 states have internal predecessors, (4730), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:19:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4849 transitions. [2024-11-07 23:19:59,705 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4849 transitions. Word has length 139 [2024-11-07 23:19:59,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:19:59,706 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4849 transitions. [2024-11-07 23:19:59,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:19:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4849 transitions. [2024-11-07 23:19:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:19:59,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:19:59,708 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:19:59,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 23:19:59,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-07 23:19:59,909 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:19:59,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:19:59,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2125123768, now seen corresponding path program 1 times [2024-11-07 23:19:59,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:19:59,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985815392] [2024-11-07 23:19:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:19:59,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:19:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:20:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:20:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:20:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:20:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 23:20:00,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:00,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985815392] [2024-11-07 23:20:00,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985815392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:00,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:00,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:20:00,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562682677] [2024-11-07 23:20:00,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:00,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:20:00,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:00,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:20:00,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:20:00,164 INFO L87 Difference]: Start difference. First operand 3465 states and 4849 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:20:00,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:00,816 INFO L93 Difference]: Finished difference Result 6780 states and 9492 transitions. [2024-11-07 23:20:00,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:20:00,820 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-07 23:20:00,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:00,831 INFO L225 Difference]: With dead ends: 6780 [2024-11-07 23:20:00,831 INFO L226 Difference]: Without dead ends: 3465 [2024-11-07 23:20:00,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:20:00,836 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 51 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:00,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 3323 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:20:00,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2024-11-07 23:20:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3465. [2024-11-07 23:20:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4044008325899495) internal successors, (4723), 3379 states have internal predecessors, (4723), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:20:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4842 transitions. [2024-11-07 23:20:00,893 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4842 transitions. Word has length 139 [2024-11-07 23:20:00,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:00,893 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4842 transitions. [2024-11-07 23:20:00,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:20:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4842 transitions. [2024-11-07 23:20:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:20:00,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:00,894 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:00,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 23:20:00,895 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:00,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:00,895 INFO L85 PathProgramCache]: Analyzing trace with hash -28418267, now seen corresponding path program 1 times [2024-11-07 23:20:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:00,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859027629] [2024-11-07 23:20:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:20:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:20:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:01,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:20:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:01,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:20:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 23:20:01,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:01,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859027629] [2024-11-07 23:20:01,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859027629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:01,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:01,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 23:20:01,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887680957] [2024-11-07 23:20:01,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:01,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:20:01,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:01,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:20:01,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:20:01,295 INFO L87 Difference]: Start difference. First operand 3465 states and 4842 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:20:02,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:02,259 INFO L93 Difference]: Finished difference Result 6880 states and 9624 transitions. [2024-11-07 23:20:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:20:02,260 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-07 23:20:02,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:02,265 INFO L225 Difference]: With dead ends: 6880 [2024-11-07 23:20:02,265 INFO L226 Difference]: Without dead ends: 3570 [2024-11-07 23:20:02,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:20:02,268 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 69 mSDsluCounter, 3712 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:02,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 4287 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 23:20:02,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2024-11-07 23:20:02,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3528. [2024-11-07 23:20:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3426 states have (on average 1.4004670169293636) internal successors, (4798), 3442 states have internal predecessors, (4798), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:20:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 4917 transitions. [2024-11-07 23:20:02,346 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 4917 transitions. Word has length 139 [2024-11-07 23:20:02,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:02,346 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 4917 transitions. [2024-11-07 23:20:02,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:20:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4917 transitions. [2024-11-07 23:20:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 23:20:02,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:02,347 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:02,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 23:20:02,347 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:02,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:02,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2005921723, now seen corresponding path program 1 times [2024-11-07 23:20:02,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:02,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937281837] [2024-11-07 23:20:02,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:02,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:02,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 23:20:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:20:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 23:20:02,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:02,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937281837] [2024-11-07 23:20:02,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937281837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:02,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860856135] [2024-11-07 23:20:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:02,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:02,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:02,680 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:02,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 23:20:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:03,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 23:20:03,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:20:03,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 23:20:03,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860856135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:03,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:03,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-07 23:20:03,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401860745] [2024-11-07 23:20:03,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:03,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 23:20:03,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:03,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 23:20:03,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-07 23:20:03,319 INFO L87 Difference]: Start difference. First operand 3528 states and 4917 transitions. Second operand has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:20:04,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:04,185 INFO L93 Difference]: Finished difference Result 6933 states and 9687 transitions. [2024-11-07 23:20:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 23:20:04,186 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 140 [2024-11-07 23:20:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:04,193 INFO L225 Difference]: With dead ends: 6933 [2024-11-07 23:20:04,193 INFO L226 Difference]: Without dead ends: 3600 [2024-11-07 23:20:04,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 23:20:04,196 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 101 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 7352 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:04,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 7352 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:20:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2024-11-07 23:20:04,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3568. [2024-11-07 23:20:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3568 states, 3465 states have (on average 1.4005772005772006) internal successors, (4853), 3478 states have internal predecessors, (4853), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:20:04,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4968 transitions. [2024-11-07 23:20:04,295 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4968 transitions. Word has length 140 [2024-11-07 23:20:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:04,299 INFO L471 AbstractCegarLoop]: Abstraction has 3568 states and 4968 transitions. [2024-11-07 23:20:04,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:20:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4968 transitions. [2024-11-07 23:20:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 23:20:04,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:04,300 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:04,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 23:20:04,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:04,501 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:04,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:04,502 INFO L85 PathProgramCache]: Analyzing trace with hash 464185025, now seen corresponding path program 2 times [2024-11-07 23:20:04,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:04,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877057664] [2024-11-07 23:20:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:04,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:20:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 23:20:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 23:20:04,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:04,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877057664] [2024-11-07 23:20:04,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877057664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:04,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256816566] [2024-11-07 23:20:04,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:20:04,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:04,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:04,963 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:04,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 23:20:05,286 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 23:20:05,286 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:20:05,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:20:05,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:05,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-07 23:20:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-07 23:20:05,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:20:05,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256816566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:05,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:20:05,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-07 23:20:05,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347170673] [2024-11-07 23:20:05,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:05,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:20:05,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:20:05,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:20:05,305 INFO L87 Difference]: Start difference. First operand 3568 states and 4968 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:05,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:05,366 INFO L93 Difference]: Finished difference Result 3568 states and 4968 transitions. [2024-11-07 23:20:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:20:05,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 144 [2024-11-07 23:20:05,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:05,372 INFO L225 Difference]: With dead ends: 3568 [2024-11-07 23:20:05,372 INFO L226 Difference]: Without dead ends: 3567 [2024-11-07 23:20:05,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:20:05,373 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 1 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:05,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1216 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:20:05,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2024-11-07 23:20:05,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3567. [2024-11-07 23:20:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3567 states, 3465 states have (on average 1.3988455988455988) internal successors, (4847), 3477 states have internal predecessors, (4847), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:20:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4962 transitions. [2024-11-07 23:20:05,426 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4962 transitions. Word has length 144 [2024-11-07 23:20:05,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:05,427 INFO L471 AbstractCegarLoop]: Abstraction has 3567 states and 4962 transitions. [2024-11-07 23:20:05,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4962 transitions. [2024-11-07 23:20:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 23:20:05,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:05,428 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:05,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 23:20:05,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:05,628 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:05,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:05,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1504833990, now seen corresponding path program 1 times [2024-11-07 23:20:05,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:05,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379005703] [2024-11-07 23:20:05,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:05,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:20:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 23:20:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 23:20:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379005703] [2024-11-07 23:20:06,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379005703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151700398] [2024-11-07 23:20:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:06,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:06,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:06,031 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:06,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 23:20:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:06,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 23:20:06,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 23:20:06,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 23:20:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151700398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:06,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:06,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-07 23:20:06,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186875974] [2024-11-07 23:20:06,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:06,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 23:20:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 23:20:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-07 23:20:06,790 INFO L87 Difference]: Start difference. First operand 3567 states and 4962 transitions. Second operand has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:20:08,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:08,260 INFO L93 Difference]: Finished difference Result 6577 states and 9134 transitions. [2024-11-07 23:20:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 23:20:08,261 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 145 [2024-11-07 23:20:08,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:08,267 INFO L225 Difference]: With dead ends: 6577 [2024-11-07 23:20:08,267 INFO L226 Difference]: Without dead ends: 3039 [2024-11-07 23:20:08,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=527, Invalid=2779, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 23:20:08,271 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 126 mSDsluCounter, 6161 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:08,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 6651 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:20:08,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2024-11-07 23:20:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3017. [2024-11-07 23:20:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2915 states have (on average 1.376672384219554) internal successors, (4013), 2927 states have internal predecessors, (4013), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:20:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 4128 transitions. [2024-11-07 23:20:08,365 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 4128 transitions. Word has length 145 [2024-11-07 23:20:08,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:08,365 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 4128 transitions. [2024-11-07 23:20:08,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:20:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 4128 transitions. [2024-11-07 23:20:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 23:20:08,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:08,366 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:08,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 23:20:08,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-07 23:20:08,567 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:08,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:08,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1814611385, now seen corresponding path program 2 times [2024-11-07 23:20:08,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:08,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980467543] [2024-11-07 23:20:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:08,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:09,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:20:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:09,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:20:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-07 23:20:09,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:09,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980467543] [2024-11-07 23:20:09,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980467543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:09,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530974635] [2024-11-07 23:20:09,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:20:09,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:09,256 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:09,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 23:20:09,827 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:20:09,827 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:20:09,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-07 23:20:09,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 23:20:10,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 78 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 23:20:10,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530974635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:10,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:10,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 10] total 37 [2024-11-07 23:20:10,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245242334] [2024-11-07 23:20:10,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:10,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-07 23:20:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:10,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-07 23:20:10,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1186, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 23:20:10,474 INFO L87 Difference]: Start difference. First operand 3017 states and 4128 transitions. Second operand has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:20:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:13,583 INFO L93 Difference]: Finished difference Result 5997 states and 8254 transitions. [2024-11-07 23:20:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-07 23:20:13,585 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 154 [2024-11-07 23:20:13,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:13,592 INFO L225 Difference]: With dead ends: 5997 [2024-11-07 23:20:13,592 INFO L226 Difference]: Without dead ends: 3099 [2024-11-07 23:20:13,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=984, Invalid=6326, Unknown=0, NotChecked=0, Total=7310 [2024-11-07 23:20:13,595 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 194 mSDsluCounter, 10767 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 11268 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:13,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 11268 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 23:20:13,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2024-11-07 23:20:13,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3053. [2024-11-07 23:20:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 2951 states have (on average 1.3707217892239918) internal successors, (4045), 2962 states have internal predecessors, (4045), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:20:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4160 transitions. [2024-11-07 23:20:13,659 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4160 transitions. Word has length 154 [2024-11-07 23:20:13,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:13,659 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 4160 transitions. [2024-11-07 23:20:13,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:20:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4160 transitions. [2024-11-07 23:20:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 23:20:13,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:13,660 INFO L215 NwaCegarLoop]: trace histogram [23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:13,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 23:20:13,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 23:20:13,865 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:13,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash -365863679, now seen corresponding path program 3 times [2024-11-07 23:20:13,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:13,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159117656] [2024-11-07 23:20:13,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:13,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:14,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:14,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:20:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:14,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 23:20:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 7 proven. 227 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-07 23:20:14,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:14,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159117656] [2024-11-07 23:20:14,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159117656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:14,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089828203] [2024-11-07 23:20:14,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 23:20:14,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:14,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:14,682 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:14,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 23:20:15,211 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 23:20:15,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:20:15,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 23:20:15,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:15,234 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 15 treesize of output 1 [2024-11-07 23:20:15,686 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 36 treesize of output 13 [2024-11-07 23:20:15,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 13 [2024-11-07 23:20:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-07 23:20:15,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:16,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089828203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:16,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:20:16,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 25 [2024-11-07 23:20:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515977086] [2024-11-07 23:20:16,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:16,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 23:20:16,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:16,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 23:20:16,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-07 23:20:16,358 INFO L87 Difference]: Start difference. First operand 3053 states and 4160 transitions. Second operand has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 23:20:22,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 23:20:26,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 23:20:30,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 23:20:30,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:30,483 INFO L93 Difference]: Finished difference Result 6927 states and 9524 transitions. [2024-11-07 23:20:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 23:20:30,483 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 162 [2024-11-07 23:20:30,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:30,490 INFO L225 Difference]: With dead ends: 6927 [2024-11-07 23:20:30,490 INFO L226 Difference]: Without dead ends: 4000 [2024-11-07 23:20:30,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 185 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=310, Invalid=2552, Unknown=0, NotChecked=0, Total=2862 [2024-11-07 23:20:30,492 INFO L432 NwaCegarLoop]: 664 mSDtfsCounter, 1052 mSDsluCounter, 11103 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 48 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 11767 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:30,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 11767 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1904 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-07 23:20:30,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4000 states. [2024-11-07 23:20:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4000 to 2862. [2024-11-07 23:20:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2759 states have (on average 1.3599130119608553) internal successors, (3752), 2771 states have internal predecessors, (3752), 56 states have call successors, (56), 44 states have call predecessors, (56), 37 states have return successors, (63), 46 states have call predecessors, (63), 56 states have call successors, (63) [2024-11-07 23:20:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 3871 transitions. [2024-11-07 23:20:30,566 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 3871 transitions. Word has length 162 [2024-11-07 23:20:30,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:30,567 INFO L471 AbstractCegarLoop]: Abstraction has 2862 states and 3871 transitions. [2024-11-07 23:20:30,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 23:20:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 3871 transitions. [2024-11-07 23:20:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 23:20:30,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:30,569 INFO L215 NwaCegarLoop]: trace histogram [24, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 23:20:30,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 23:20:30,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 23:20:30,769 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:30,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:30,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1717763657, now seen corresponding path program 1 times [2024-11-07 23:20:30,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:30,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501935970] [2024-11-07 23:20:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:30,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:20:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:20:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,212 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-07 23:20:31,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501935970] [2024-11-07 23:20:31,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501935970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329789095] [2024-11-07 23:20:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:31,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:31,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:31,215 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:31,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 23:20:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:31,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 23:20:31,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 221 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-07 23:20:31,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-11-07 23:20:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329789095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:32,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:32,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 10] total 19 [2024-11-07 23:20:32,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826258624] [2024-11-07 23:20:32,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:32,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 23:20:32,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:32,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 23:20:32,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-07 23:20:32,179 INFO L87 Difference]: Start difference. First operand 2862 states and 3871 transitions. Second operand has 20 states, 19 states have (on average 10.210526315789474) internal successors, (194), 15 states have internal predecessors, (194), 7 states have call successors, (22), 10 states have call predecessors, (22), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 23:20:33,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:33,168 INFO L93 Difference]: Finished difference Result 7000 states and 9797 transitions. [2024-11-07 23:20:33,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 23:20:33,169 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.210526315789474) internal successors, (194), 15 states have internal predecessors, (194), 7 states have call successors, (22), 10 states have call predecessors, (22), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 176 [2024-11-07 23:20:33,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:33,178 INFO L225 Difference]: With dead ends: 7000 [2024-11-07 23:20:33,178 INFO L226 Difference]: Without dead ends: 4984 [2024-11-07 23:20:33,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 23:20:33,182 INFO L432 NwaCegarLoop]: 1069 mSDtfsCounter, 4588 mSDsluCounter, 5857 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4590 SdHoareTripleChecker+Valid, 6926 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:33,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4590 Valid, 6926 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:20:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2024-11-07 23:20:33,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4588. [2024-11-07 23:20:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 4496 states have (on average 1.4123665480427046) internal successors, (6350), 4507 states have internal predecessors, (6350), 50 states have call successors, (50), 39 states have call predecessors, (50), 33 states have return successors, (51), 41 states have call predecessors, (51), 50 states have call successors, (51) [2024-11-07 23:20:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 6451 transitions. [2024-11-07 23:20:33,272 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 6451 transitions. Word has length 176 [2024-11-07 23:20:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:33,272 INFO L471 AbstractCegarLoop]: Abstraction has 4588 states and 6451 transitions. [2024-11-07 23:20:33,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.210526315789474) internal successors, (194), 15 states have internal predecessors, (194), 7 states have call successors, (22), 10 states have call predecessors, (22), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 23:20:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 6451 transitions. [2024-11-07 23:20:33,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-07 23:20:33,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:33,274 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:33,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-07 23:20:33,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-07 23:20:33,475 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:33,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:33,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1409505975, now seen corresponding path program 1 times [2024-11-07 23:20:33,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:33,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318675359] [2024-11-07 23:20:33,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:33,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:33,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:33,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:33,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:33,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318675359] [2024-11-07 23:20:33,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318675359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:33,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:33,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:20:33,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180636202] [2024-11-07 23:20:33,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:33,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:20:33,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:33,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:20:33,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:33,731 INFO L87 Difference]: Start difference. First operand 4588 states and 6451 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:34,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:34,043 INFO L93 Difference]: Finished difference Result 5741 states and 8101 transitions. [2024-11-07 23:20:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:20:34,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 224 [2024-11-07 23:20:34,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:34,049 INFO L225 Difference]: With dead ends: 5741 [2024-11-07 23:20:34,050 INFO L226 Difference]: Without dead ends: 2314 [2024-11-07 23:20:34,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:20:34,053 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 58 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:34,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1864 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:20:34,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2024-11-07 23:20:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2119. [2024-11-07 23:20:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 2043 states have (on average 1.3338228095937348) internal successors, (2725), 2053 states have internal predecessors, (2725), 39 states have call successors, (39), 33 states have call predecessors, (39), 29 states have return successors, (40), 32 states have call predecessors, (40), 39 states have call successors, (40) [2024-11-07 23:20:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2804 transitions. [2024-11-07 23:20:34,114 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2804 transitions. Word has length 224 [2024-11-07 23:20:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:34,114 INFO L471 AbstractCegarLoop]: Abstraction has 2119 states and 2804 transitions. [2024-11-07 23:20:34,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2804 transitions. [2024-11-07 23:20:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 23:20:34,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:34,117 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:34,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 23:20:34,117 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:34,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1519585549, now seen corresponding path program 1 times [2024-11-07 23:20:34,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:34,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981034504] [2024-11-07 23:20:34,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:34,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:34,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:34,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981034504] [2024-11-07 23:20:34,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981034504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:34,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:34,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:20:34,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891420026] [2024-11-07 23:20:34,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:34,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:20:34,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:34,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:20:34,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:20:34,381 INFO L87 Difference]: Start difference. First operand 2119 states and 2804 transitions. Second operand has 5 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:20:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:34,729 INFO L93 Difference]: Finished difference Result 2436 states and 3266 transitions. [2024-11-07 23:20:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:20:34,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 226 [2024-11-07 23:20:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:34,734 INFO L225 Difference]: With dead ends: 2436 [2024-11-07 23:20:34,734 INFO L226 Difference]: Without dead ends: 2434 [2024-11-07 23:20:34,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:20:34,735 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 339 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:34,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1656 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:20:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2024-11-07 23:20:34,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2405. [2024-11-07 23:20:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2330 states have (on average 1.3506437768240342) internal successors, (3147), 2339 states have internal predecessors, (3147), 38 states have call successors, (38), 33 states have call predecessors, (38), 29 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-07 23:20:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3224 transitions. [2024-11-07 23:20:34,797 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3224 transitions. Word has length 226 [2024-11-07 23:20:34,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:34,798 INFO L471 AbstractCegarLoop]: Abstraction has 2405 states and 3224 transitions. [2024-11-07 23:20:34,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:20:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3224 transitions. [2024-11-07 23:20:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-07 23:20:34,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:34,800 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:34,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 23:20:34,800 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:34,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:34,800 INFO L85 PathProgramCache]: Analyzing trace with hash -708538825, now seen corresponding path program 1 times [2024-11-07 23:20:34,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:34,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812427008] [2024-11-07 23:20:34,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:34,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:35,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:35,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812427008] [2024-11-07 23:20:35,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812427008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:35,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131593838] [2024-11-07 23:20:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:35,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:35,039 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:35,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 23:20:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:35,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:20:35,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-11-07 23:20:35,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:20:35,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131593838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:35,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:20:35,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-07 23:20:35,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924833627] [2024-11-07 23:20:35,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:35,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:20:35,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:35,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:20:35,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:20:35,718 INFO L87 Difference]: Start difference. First operand 2405 states and 3224 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:35,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:35,890 INFO L93 Difference]: Finished difference Result 3422 states and 4676 transitions. [2024-11-07 23:20:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:20:35,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 237 [2024-11-07 23:20:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:35,895 INFO L225 Difference]: With dead ends: 3422 [2024-11-07 23:20:35,895 INFO L226 Difference]: Without dead ends: 2525 [2024-11-07 23:20:35,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 243 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 23:20:35,896 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 8 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:35,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 999 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:20:35,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2024-11-07 23:20:35,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2024-11-07 23:20:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 2450 states have (on average 1.333469387755102) internal successors, (3267), 2459 states have internal predecessors, (3267), 38 states have call successors, (38), 33 states have call predecessors, (38), 29 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-07 23:20:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3344 transitions. [2024-11-07 23:20:36,007 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3344 transitions. Word has length 237 [2024-11-07 23:20:36,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:36,011 INFO L471 AbstractCegarLoop]: Abstraction has 2525 states and 3344 transitions. [2024-11-07 23:20:36,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3344 transitions. [2024-11-07 23:20:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-07 23:20:36,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:36,014 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:36,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-07 23:20:36,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:36,215 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:36,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:36,215 INFO L85 PathProgramCache]: Analyzing trace with hash 507614901, now seen corresponding path program 1 times [2024-11-07 23:20:36,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:36,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766925522] [2024-11-07 23:20:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:36,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:36,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:36,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:36,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:36,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:36,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:36,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766925522] [2024-11-07 23:20:36,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766925522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:36,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362736695] [2024-11-07 23:20:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:36,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:36,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:36,558 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:36,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 23:20:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:20:37,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-11-07 23:20:37,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:20:37,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362736695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:37,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:20:37,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 23:20:37,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951093252] [2024-11-07 23:20:37,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:37,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:20:37,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:37,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:20:37,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:20:37,228 INFO L87 Difference]: Start difference. First operand 2525 states and 3344 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:37,326 INFO L93 Difference]: Finished difference Result 3404 states and 4571 transitions. [2024-11-07 23:20:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:20:37,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 237 [2024-11-07 23:20:37,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:37,331 INFO L225 Difference]: With dead ends: 3404 [2024-11-07 23:20:37,331 INFO L226 Difference]: Without dead ends: 2441 [2024-11-07 23:20:37,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:20:37,333 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 105 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:37,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1404 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:20:37,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2441 states. [2024-11-07 23:20:37,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 2441. [2024-11-07 23:20:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 2366 states have (on average 1.327557058326289) internal successors, (3141), 2375 states have internal predecessors, (3141), 38 states have call successors, (38), 33 states have call predecessors, (38), 29 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-07 23:20:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3218 transitions. [2024-11-07 23:20:37,396 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3218 transitions. Word has length 237 [2024-11-07 23:20:37,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:37,396 INFO L471 AbstractCegarLoop]: Abstraction has 2441 states and 3218 transitions. [2024-11-07 23:20:37,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:37,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3218 transitions. [2024-11-07 23:20:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-07 23:20:37,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:37,397 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:37,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 23:20:37,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:37,598 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:37,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:37,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1749817661, now seen corresponding path program 1 times [2024-11-07 23:20:37,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:37,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283675487] [2024-11-07 23:20:37,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:37,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:37,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:37,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283675487] [2024-11-07 23:20:37,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283675487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:37,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718091330] [2024-11-07 23:20:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:37,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:37,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:37,867 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:37,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 23:20:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:38,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:20:38,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:38,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:20:38,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718091330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:38,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:20:38,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 23:20:38,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242532547] [2024-11-07 23:20:38,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:38,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:20:38,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:38,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:20:38,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:20:38,736 INFO L87 Difference]: Start difference. First operand 2441 states and 3218 transitions. Second operand has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:38,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:38,828 INFO L93 Difference]: Finished difference Result 2442 states and 3218 transitions. [2024-11-07 23:20:38,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:20:38,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 237 [2024-11-07 23:20:38,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:38,834 INFO L225 Difference]: With dead ends: 2442 [2024-11-07 23:20:38,834 INFO L226 Difference]: Without dead ends: 2441 [2024-11-07 23:20:38,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:20:38,835 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 591 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:38,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1172 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:20:38,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2441 states. [2024-11-07 23:20:38,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 2440. [2024-11-07 23:20:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 2366 states have (on average 1.3262890955198647) internal successors, (3138), 2374 states have internal predecessors, (3138), 38 states have call successors, (38), 33 states have call predecessors, (38), 29 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-07 23:20:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3215 transitions. [2024-11-07 23:20:38,899 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3215 transitions. Word has length 237 [2024-11-07 23:20:38,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:38,900 INFO L471 AbstractCegarLoop]: Abstraction has 2440 states and 3215 transitions. [2024-11-07 23:20:38,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3215 transitions. [2024-11-07 23:20:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-07 23:20:38,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:38,901 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:38,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 23:20:39,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:39,102 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:39,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:39,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1590228752, now seen corresponding path program 1 times [2024-11-07 23:20:39,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:39,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526160830] [2024-11-07 23:20:39,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:39,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:39,340 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:39,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526160830] [2024-11-07 23:20:39,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526160830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:39,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196431074] [2024-11-07 23:20:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:39,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:39,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:39,346 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:39,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 23:20:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:40,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:20:40,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:40,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:20:40,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196431074] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:40,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:40,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 3] total 8 [2024-11-07 23:20:40,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938728012] [2024-11-07 23:20:40,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:40,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:20:40,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:40,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:20:40,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:20:40,621 INFO L87 Difference]: Start difference. First operand 2440 states and 3215 transitions. Second operand has 9 states, 8 states have (on average 69.125) internal successors, (553), 7 states have internal predecessors, (553), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-07 23:20:41,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:41,150 INFO L93 Difference]: Finished difference Result 4362 states and 5834 transitions. [2024-11-07 23:20:41,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:20:41,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 69.125) internal successors, (553), 7 states have internal predecessors, (553), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 238 [2024-11-07 23:20:41,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:41,160 INFO L225 Difference]: With dead ends: 4362 [2024-11-07 23:20:41,161 INFO L226 Difference]: Without dead ends: 4361 [2024-11-07 23:20:41,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:20:41,162 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 1555 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:41,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 2685 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:20:41,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2024-11-07 23:20:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 4195. [2024-11-07 23:20:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4121 states have (on average 1.3533123028391167) internal successors, (5577), 4129 states have internal predecessors, (5577), 38 states have call successors, (38), 33 states have call predecessors, (38), 29 states have return successors, (39), 32 states have call predecessors, (39), 38 states have call successors, (39) [2024-11-07 23:20:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 5654 transitions. [2024-11-07 23:20:41,294 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 5654 transitions. Word has length 238 [2024-11-07 23:20:41,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:41,294 INFO L471 AbstractCegarLoop]: Abstraction has 4195 states and 5654 transitions. [2024-11-07 23:20:41,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 69.125) internal successors, (553), 7 states have internal predecessors, (553), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-07 23:20:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 5654 transitions. [2024-11-07 23:20:41,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 23:20:41,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:41,296 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:41,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-07 23:20:41,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-07 23:20:41,497 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:41,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:41,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1043787123, now seen corresponding path program 1 times [2024-11-07 23:20:41,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:41,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417073360] [2024-11-07 23:20:41,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:41,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:41,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:41,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-07 23:20:41,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:41,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417073360] [2024-11-07 23:20:41,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417073360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:20:41,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:20:41,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 23:20:41,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139116051] [2024-11-07 23:20:41,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:20:41,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:20:41,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:41,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:20:41,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:20:41,854 INFO L87 Difference]: Start difference. First operand 4195 states and 5654 transitions. Second operand has 7 states, 6 states have (on average 32.666666666666664) internal successors, (196), 5 states have internal predecessors, (196), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:42,324 INFO L93 Difference]: Finished difference Result 4683 states and 6290 transitions. [2024-11-07 23:20:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:20:42,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 32.666666666666664) internal successors, (196), 5 states have internal predecessors, (196), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 240 [2024-11-07 23:20:42,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:42,334 INFO L225 Difference]: With dead ends: 4683 [2024-11-07 23:20:42,334 INFO L226 Difference]: Without dead ends: 4682 [2024-11-07 23:20:42,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:20:42,336 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 425 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 2488 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:42,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 2488 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:20:42,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2024-11-07 23:20:42,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4125. [2024-11-07 23:20:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 4055 states have (on average 1.3536374845869297) internal successors, (5489), 4062 states have internal predecessors, (5489), 35 states have call successors, (35), 33 states have call predecessors, (35), 29 states have return successors, (36), 29 states have call predecessors, (36), 35 states have call successors, (36) [2024-11-07 23:20:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5560 transitions. [2024-11-07 23:20:42,442 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5560 transitions. Word has length 240 [2024-11-07 23:20:42,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:42,442 INFO L471 AbstractCegarLoop]: Abstraction has 4125 states and 5560 transitions. [2024-11-07 23:20:42,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 32.666666666666664) internal successors, (196), 5 states have internal predecessors, (196), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:20:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5560 transitions. [2024-11-07 23:20:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-07 23:20:42,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:42,444 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:42,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 23:20:42,444 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:42,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1418387967, now seen corresponding path program 1 times [2024-11-07 23:20:42,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:42,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847831696] [2024-11-07 23:20:42,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:42,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:42,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:43,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:43,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:43,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-07 23:20:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:43,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 23:20:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-07 23:20:43,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:43,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847831696] [2024-11-07 23:20:43,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847831696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:43,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180737594] [2024-11-07 23:20:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:43,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:43,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:43,071 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:43,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 23:20:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:43,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:20:43,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:43,929 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 15 treesize of output 1 [2024-11-07 23:20:44,252 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 36 treesize of output 13 [2024-11-07 23:20:44,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-07 23:20:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-07 23:20:44,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-07 23:20:44,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180737594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:44,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:44,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 6] total 16 [2024-11-07 23:20:44,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547507866] [2024-11-07 23:20:44,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:44,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 23:20:44,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:44,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 23:20:44,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:20:44,418 INFO L87 Difference]: Start difference. First operand 4125 states and 5560 transitions. Second operand has 16 states, 16 states have (on average 26.5) internal successors, (424), 13 states have internal predecessors, (424), 6 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-07 23:20:45,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:45,160 INFO L93 Difference]: Finished difference Result 8953 states and 12098 transitions. [2024-11-07 23:20:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 23:20:45,161 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 26.5) internal successors, (424), 13 states have internal predecessors, (424), 6 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 262 [2024-11-07 23:20:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:45,170 INFO L225 Difference]: With dead ends: 8953 [2024-11-07 23:20:45,170 INFO L226 Difference]: Without dead ends: 6089 [2024-11-07 23:20:45,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 523 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-11-07 23:20:45,173 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 2061 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:45,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 4504 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:20:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2024-11-07 23:20:45,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 4693. [2024-11-07 23:20:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4693 states, 4600 states have (on average 1.3441304347826086) internal successors, (6183), 4608 states have internal predecessors, (6183), 55 states have call successors, (55), 36 states have call predecessors, (55), 32 states have return successors, (57), 48 states have call predecessors, (57), 55 states have call successors, (57) [2024-11-07 23:20:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6295 transitions. [2024-11-07 23:20:45,290 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6295 transitions. Word has length 262 [2024-11-07 23:20:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:45,290 INFO L471 AbstractCegarLoop]: Abstraction has 4693 states and 6295 transitions. [2024-11-07 23:20:45,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 26.5) internal successors, (424), 13 states have internal predecessors, (424), 6 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-07 23:20:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6295 transitions. [2024-11-07 23:20:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-07 23:20:45,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:45,292 INFO L215 NwaCegarLoop]: trace histogram [48, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:45,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-07 23:20:45,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-07 23:20:45,493 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:45,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:45,494 INFO L85 PathProgramCache]: Analyzing trace with hash -429622562, now seen corresponding path program 1 times [2024-11-07 23:20:45,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:45,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800781827] [2024-11-07 23:20:45,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:45,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-07 23:20:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-07 23:20:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-07 23:20:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-07 23:20:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 36 proven. 60 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-07 23:20:45,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:45,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800781827] [2024-11-07 23:20:45,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800781827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:45,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186315818] [2024-11-07 23:20:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:45,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:45,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:45,924 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:45,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 23:20:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:46,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 2162 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 23:20:46,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 78 proven. 1089 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-07 23:20:47,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 78 proven. 60 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2024-11-07 23:20:47,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186315818] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:47,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:47,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 15] total 30 [2024-11-07 23:20:47,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72526644] [2024-11-07 23:20:47,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:47,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 23:20:47,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 23:20:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2024-11-07 23:20:47,476 INFO L87 Difference]: Start difference. First operand 4693 states and 6295 transitions. Second operand has 30 states, 30 states have (on average 18.233333333333334) internal successors, (547), 24 states have internal predecessors, (547), 11 states have call successors, (29), 13 states have call predecessors, (29), 10 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-07 23:20:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:48,586 INFO L93 Difference]: Finished difference Result 5473 states and 7368 transitions. [2024-11-07 23:20:48,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-07 23:20:48,590 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 18.233333333333334) internal successors, (547), 24 states have internal predecessors, (547), 11 states have call successors, (29), 13 states have call predecessors, (29), 10 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 297 [2024-11-07 23:20:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:48,596 INFO L225 Difference]: With dead ends: 5473 [2024-11-07 23:20:48,597 INFO L226 Difference]: Without dead ends: 2958 [2024-11-07 23:20:48,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=627, Invalid=2025, Unknown=0, NotChecked=0, Total=2652 [2024-11-07 23:20:48,600 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 4962 mSDsluCounter, 5132 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4962 SdHoareTripleChecker+Valid, 5679 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:48,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4962 Valid, 5679 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:20:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2958 states. [2024-11-07 23:20:48,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2958 to 2190. [2024-11-07 23:20:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2190 states, 2145 states have (on average 1.324009324009324) internal successors, (2840), 2148 states have internal predecessors, (2840), 24 states have call successors, (24), 18 states have call predecessors, (24), 17 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 23:20:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 2888 transitions. [2024-11-07 23:20:48,665 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 2888 transitions. Word has length 297 [2024-11-07 23:20:48,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:48,669 INFO L471 AbstractCegarLoop]: Abstraction has 2190 states and 2888 transitions. [2024-11-07 23:20:48,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 18.233333333333334) internal successors, (547), 24 states have internal predecessors, (547), 11 states have call successors, (29), 13 states have call predecessors, (29), 10 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2024-11-07 23:20:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2888 transitions. [2024-11-07 23:20:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-07 23:20:48,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:48,677 INFO L215 NwaCegarLoop]: trace histogram [24, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:48,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-07 23:20:48,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-07 23:20:48,878 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:48,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:48,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1328302971, now seen corresponding path program 1 times [2024-11-07 23:20:48,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:48,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019304400] [2024-11-07 23:20:48,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:48,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:49,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:49,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:49,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:49,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:20:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:20:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-07 23:20:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-07 23:20:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-07 23:20:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 23:20:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2024-11-07 23:20:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 210 proven. 270 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-07 23:20:50,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:50,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019304400] [2024-11-07 23:20:50,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019304400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:50,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792935736] [2024-11-07 23:20:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:50,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:50,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:50,094 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:50,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-07 23:20:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:51,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 2626 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 23:20:51,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:20:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-07 23:20:51,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:20:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-07 23:20:52,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792935736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:20:52,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:20:52,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 14] total 28 [2024-11-07 23:20:52,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813292526] [2024-11-07 23:20:52,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:20:52,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 23:20:52,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:20:52,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 23:20:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2024-11-07 23:20:52,046 INFO L87 Difference]: Start difference. First operand 2190 states and 2888 transitions. Second operand has 29 states, 28 states have (on average 27.178571428571427) internal successors, (761), 26 states have internal predecessors, (761), 12 states have call successors, (37), 15 states have call predecessors, (37), 12 states have return successors, (32), 12 states have call predecessors, (32), 12 states have call successors, (32) [2024-11-07 23:20:53,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:20:53,294 INFO L93 Difference]: Finished difference Result 11133 states and 15112 transitions. [2024-11-07 23:20:53,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-07 23:20:53,294 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 27.178571428571427) internal successors, (761), 26 states have internal predecessors, (761), 12 states have call successors, (37), 15 states have call predecessors, (37), 12 states have return successors, (32), 12 states have call predecessors, (32), 12 states have call successors, (32) Word has length 411 [2024-11-07 23:20:53,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:20:53,306 INFO L225 Difference]: With dead ends: 11133 [2024-11-07 23:20:53,306 INFO L226 Difference]: Without dead ends: 11132 [2024-11-07 23:20:53,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 837 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1149, Invalid=2391, Unknown=0, NotChecked=0, Total=3540 [2024-11-07 23:20:53,309 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 8474 mSDsluCounter, 7534 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8495 SdHoareTripleChecker+Valid, 8015 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:20:53,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8495 Valid, 8015 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:20:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11132 states. [2024-11-07 23:20:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11132 to 3420. [2024-11-07 23:20:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3420 states, 3339 states have (on average 1.3123689727463312) internal successors, (4382), 3342 states have internal predecessors, (4382), 42 states have call successors, (42), 36 states have call predecessors, (42), 35 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 23:20:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 4466 transitions. [2024-11-07 23:20:53,421 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 4466 transitions. Word has length 411 [2024-11-07 23:20:53,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:20:53,422 INFO L471 AbstractCegarLoop]: Abstraction has 3420 states and 4466 transitions. [2024-11-07 23:20:53,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 27.178571428571427) internal successors, (761), 26 states have internal predecessors, (761), 12 states have call successors, (37), 15 states have call predecessors, (37), 12 states have return successors, (32), 12 states have call predecessors, (32), 12 states have call successors, (32) [2024-11-07 23:20:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 4466 transitions. [2024-11-07 23:20:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-07 23:20:53,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:20:53,425 INFO L215 NwaCegarLoop]: trace histogram [24, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:20:53,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-07 23:20:53,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-07 23:20:53,626 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:20:53,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:20:53,626 INFO L85 PathProgramCache]: Analyzing trace with hash -977650757, now seen corresponding path program 1 times [2024-11-07 23:20:53,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:20:53,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754216166] [2024-11-07 23:20:53,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:53,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:20:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:20:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:20:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:20:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:20:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:20:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-07 23:20:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-11-07 23:20:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:20:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-07 23:20:55,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:20:55,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754216166] [2024-11-07 23:20:55,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754216166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:20:55,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490979597] [2024-11-07 23:20:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:20:55,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:20:55,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:20:55,292 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:20:55,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process