./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193'] 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_JEN_test6-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:10:20,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:10:20,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:10:20,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:10:20,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:10:20,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:10:20,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:10:20,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:10:20,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:10:20,605 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:10:20,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:10:20,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:10:20,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:10:20,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:10:20,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:10:20,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:10:20,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:10:20,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:10:20,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:10:20,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:10:20,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:10:20,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:10:20,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:10:20,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:10:20,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:10:20,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:10:20,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:10:20,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:10:20,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:10:20,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:10:20,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:10:20,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:10:20,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:10:20,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:10:20,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:10:20,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:10:20,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:10:20,611 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 -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2024-11-07 23:10:20,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:10:20,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:10:20,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:10:20,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:10:20,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:10:20,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-07 23:10:21,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:10:22,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:10:22,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-07 23:10:22,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b017b3c2/cebfdaa27a2c443aab4b8f52c2c6123c/FLAG379619130 [2024-11-07 23:10:22,481 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b017b3c2/cebfdaa27a2c443aab4b8f52c2c6123c [2024-11-07 23:10:22,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:10:22,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:10:22,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:10:22,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:10:22,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:10:22,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:10:22" (1/1) ... [2024-11-07 23:10:22,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cd48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:22, skipping insertion in model container [2024-11-07 23:10:22,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:10:22" (1/1) ... [2024-11-07 23:10:22,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:10:22,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:10:22,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:10:22,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:10:23,020 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:10:23,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23 WrapperNode [2024-11-07 23:10:23,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:10:23,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:10:23,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:10:23,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:10:23,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,093 INFO L138 Inliner]: procedures = 282, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1657 [2024-11-07 23:10:23,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:10:23,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:10:23,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:10:23,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:10:23,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,170 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 270, 34]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 57, 4]. [2024-11-07 23:10:23,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:10:23,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:10:23,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:10:23,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:10:23,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (1/1) ... [2024-11-07 23:10:23,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:10:23,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:23,285 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 23:10:23,287 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 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:10:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-07 23:10:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-07 23:10:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:10:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:10:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:10:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-07 23:10:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-07 23:10:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:10:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:10:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:10:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 23:10:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-07 23:10:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-07 23:10:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:10:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:10:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:10:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 23:10:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:10:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:10:23,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:10:23,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:10:24,635 INFO L? ?]: Removed 376 outVars from TransFormulas that were not future-live. [2024-11-07 23:10:24,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:10:24,652 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:10:24,652 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 23:10:24,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:10:24 BoogieIcfgContainer [2024-11-07 23:10:24,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:10:24,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:10:24,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:10:24,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:10:24,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:10:22" (1/3) ... [2024-11-07 23:10:24,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4b2b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:10:24, skipping insertion in model container [2024-11-07 23:10:24,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:10:23" (2/3) ... [2024-11-07 23:10:24,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4b2b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:10:24, skipping insertion in model container [2024-11-07 23:10:24,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:10:24" (3/3) ... [2024-11-07 23:10:24,663 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-2.i [2024-11-07 23:10:24,674 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:10:24,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-07 23:10:24,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:10:24,738 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;@44bae87b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:10:24,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-07 23:10:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 501 states, 462 states have (on average 1.606060606060606) internal successors, (742), 479 states have internal predecessors, (742), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 23:10:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:10:24,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:24,747 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:10:24,747 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 23:10:24,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:24,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1635847084, now seen corresponding path program 1 times [2024-11-07 23:10:24,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:24,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082199505] [2024-11-07 23:10:24,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:24,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:24,894 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 23:10:24,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:24,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082199505] [2024-11-07 23:10:24,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082199505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:24,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:24,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:10:24,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655873265] [2024-11-07 23:10:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:24,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:10:24,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:24,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:10:24,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:10:24,929 INFO L87 Difference]: Start difference. First operand has 501 states, 462 states have (on average 1.606060606060606) internal successors, (742), 479 states have internal predecessors, (742), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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 23:10:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:24,990 INFO L93 Difference]: Finished difference Result 995 states and 1569 transitions. [2024-11-07 23:10:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:10:24,992 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 23:10:24,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:25,002 INFO L225 Difference]: With dead ends: 995 [2024-11-07 23:10:25,002 INFO L226 Difference]: Without dead ends: 487 [2024-11-07 23:10:25,006 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 23:10:25,010 INFO L432 NwaCegarLoop]: 695 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, 695 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 23:10:25,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:10:25,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-07 23:10:25,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-07 23:10:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 454 states have (on average 1.4383259911894273) internal successors, (653), 468 states have internal predecessors, (653), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 23:10:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 683 transitions. [2024-11-07 23:10:25,066 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 683 transitions. Word has length 8 [2024-11-07 23:10:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:25,066 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 683 transitions. [2024-11-07 23:10:25,067 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 23:10:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 683 transitions. [2024-11-07 23:10:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:10:25,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:25,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:10:25,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:10:25,068 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 23:10:25,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1635849006, now seen corresponding path program 1 times [2024-11-07 23:10:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:25,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787347289] [2024-11-07 23:10:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:10:25,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265900434] [2024-11-07 23:10:25,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:25,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:25,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:25,122 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 23:10:25,123 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 23:10:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:25,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:10:25,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:25,313 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 23:10:25,341 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 23:10:25,341 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:25,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:25,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787347289] [2024-11-07 23:10:25,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:10:25,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265900434] [2024-11-07 23:10:25,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265900434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:25,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:25,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:10:25,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331066786] [2024-11-07 23:10:25,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:25,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:10:25,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:25,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:10:25,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:10:25,346 INFO L87 Difference]: Start difference. First operand 487 states and 683 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 23:10:25,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:25,493 INFO L93 Difference]: Finished difference Result 940 states and 1333 transitions. [2024-11-07 23:10:25,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:10:25,494 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 23:10:25,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:25,498 INFO L225 Difference]: With dead ends: 940 [2024-11-07 23:10:25,499 INFO L226 Difference]: Without dead ends: 938 [2024-11-07 23:10:25,500 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 23:10:25,501 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 614 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:25,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1961 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-07 23:10:25,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 494. [2024-11-07 23:10:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 461 states have (on average 1.4338394793926248) internal successors, (661), 475 states have internal predecessors, (661), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 23:10:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 691 transitions. [2024-11-07 23:10:25,536 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 691 transitions. Word has length 8 [2024-11-07 23:10:25,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:25,536 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 691 transitions. [2024-11-07 23:10:25,536 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 23:10:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 691 transitions. [2024-11-07 23:10:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 23:10:25,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:25,537 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 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 23:10:25,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 23:10:25,741 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 23:10:25,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:10:25,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:25,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1086501261, now seen corresponding path program 1 times [2024-11-07 23:10:25,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:25,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395766437] [2024-11-07 23:10:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 23:10:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:25,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 23:10:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 23:10:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 23:10:25,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:25,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395766437] [2024-11-07 23:10:25,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395766437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:25,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:25,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:10:25,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620236522] [2024-11-07 23:10:25,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:25,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:10:25,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:25,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:10:25,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:10:25,973 INFO L87 Difference]: Start difference. First operand 494 states and 691 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 23:10:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:26,075 INFO L93 Difference]: Finished difference Result 1192 states and 1688 transitions. [2024-11-07 23:10:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:10:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2024-11-07 23:10:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:26,082 INFO L225 Difference]: With dead ends: 1192 [2024-11-07 23:10:26,083 INFO L226 Difference]: Without dead ends: 937 [2024-11-07 23:10:26,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 23:10:26,084 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 616 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:26,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 2000 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:26,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-07 23:10:26,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 494. [2024-11-07 23:10:26,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 461 states have (on average 1.4316702819956617) internal successors, (660), 475 states have internal predecessors, (660), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 23:10:26,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 690 transitions. [2024-11-07 23:10:26,101 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 690 transitions. Word has length 34 [2024-11-07 23:10:26,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:26,101 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 690 transitions. [2024-11-07 23:10:26,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 23:10:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2024-11-07 23:10:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:10:26,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:26,103 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 23:10:26,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:10:26,103 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 23:10:26,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash 185612591, now seen corresponding path program 1 times [2024-11-07 23:10:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:26,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346615812] [2024-11-07 23:10:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:26,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:26,267 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 23:10:26,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:26,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346615812] [2024-11-07 23:10:26,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346615812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:26,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:26,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:10:26,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472951712] [2024-11-07 23:10:26,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:26,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:10:26,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:26,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:10:26,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:10:26,269 INFO L87 Difference]: Start difference. First operand 494 states and 690 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 23:10:26,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:26,328 INFO L93 Difference]: Finished difference Result 982 states and 1374 transitions. [2024-11-07 23:10:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:10:26,329 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 23:10:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:26,331 INFO L225 Difference]: With dead ends: 982 [2024-11-07 23:10:26,331 INFO L226 Difference]: Without dead ends: 497 [2024-11-07 23:10:26,331 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 23:10:26,332 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 105 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1872 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 23:10:26,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1872 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:10:26,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-07 23:10:26,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2024-11-07 23:10:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 461 states have (on average 1.4164859002169197) internal successors, (653), 475 states have internal predecessors, (653), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 23:10:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 683 transitions. [2024-11-07 23:10:26,350 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 683 transitions. Word has length 64 [2024-11-07 23:10:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:26,350 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 683 transitions. [2024-11-07 23:10:26,350 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 23:10:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 683 transitions. [2024-11-07 23:10:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:10:26,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:26,353 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 23:10:26,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:10:26,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:10:26,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:26,353 INFO L85 PathProgramCache]: Analyzing trace with hash -878587357, now seen corresponding path program 1 times [2024-11-07 23:10:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:26,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644427722] [2024-11-07 23:10:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:26,536 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 23:10:26,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:26,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644427722] [2024-11-07 23:10:26,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644427722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:26,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:26,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:10:26,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127681934] [2024-11-07 23:10:26,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:26,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:10:26,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:26,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:10:26,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:10:26,538 INFO L87 Difference]: Start difference. First operand 494 states and 683 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 23:10:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:26,578 INFO L93 Difference]: Finished difference Result 909 states and 1268 transitions. [2024-11-07 23:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:10:26,579 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 23:10:26,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:26,582 INFO L225 Difference]: With dead ends: 909 [2024-11-07 23:10:26,583 INFO L226 Difference]: Without dead ends: 905 [2024-11-07 23:10:26,583 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 23:10:26,583 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 516 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:26,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2008 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:10:26,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-07 23:10:26,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2024-11-07 23:10:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 856 states have (on average 1.425233644859813) internal successors, (1220), 872 states have internal predecessors, (1220), 22 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (22), 18 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 23:10:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1264 transitions. [2024-11-07 23:10:26,602 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1264 transitions. Word has length 64 [2024-11-07 23:10:26,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:26,603 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1264 transitions. [2024-11-07 23:10:26,603 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 23:10:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1264 transitions. [2024-11-07 23:10:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 23:10:26,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:26,604 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 23:10:26,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:10:26,604 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 23:10:26,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:26,605 INFO L85 PathProgramCache]: Analyzing trace with hash -240672312, now seen corresponding path program 1 times [2024-11-07 23:10:26,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:26,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410383247] [2024-11-07 23:10:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:26,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:26,756 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 23:10:26,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:26,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410383247] [2024-11-07 23:10:26,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410383247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:26,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:26,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:10:26,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545738808] [2024-11-07 23:10:26,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:26,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:10:26,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:26,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:10:26,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:10:26,759 INFO L87 Difference]: Start difference. First operand 897 states and 1264 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 23:10:26,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:26,904 INFO L93 Difference]: Finished difference Result 1171 states and 1640 transitions. [2024-11-07 23:10:26,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:10:26,904 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 23:10:26,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:26,908 INFO L225 Difference]: With dead ends: 1171 [2024-11-07 23:10:26,908 INFO L226 Difference]: Without dead ends: 1169 [2024-11-07 23:10:26,908 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 23:10:26,909 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 572 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:26,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 1923 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:26,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-07 23:10:26,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1159. [2024-11-07 23:10:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1105 states have (on average 1.4244343891402715) internal successors, (1574), 1122 states have internal predecessors, (1574), 32 states have call successors, (32), 10 states have call predecessors, (32), 8 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 23:10:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1638 transitions. [2024-11-07 23:10:26,939 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1638 transitions. Word has length 74 [2024-11-07 23:10:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:26,939 INFO L471 AbstractCegarLoop]: Abstraction has 1159 states and 1638 transitions. [2024-11-07 23:10:26,939 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 23:10:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1638 transitions. [2024-11-07 23:10:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 23:10:26,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:26,941 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 23:10:26,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:10:26,941 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 23:10:26,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash 980932139, now seen corresponding path program 1 times [2024-11-07 23:10:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:26,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289636563] [2024-11-07 23:10:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:27,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:10:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:27,322 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 23:10:27,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:27,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289636563] [2024-11-07 23:10:27,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289636563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:27,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439088397] [2024-11-07 23:10:27,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:27,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:27,324 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 23:10:27,326 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 23:10:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:27,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:10:27,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:27,628 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 23:10:27,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:27,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439088397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:27,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:27,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 23:10:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493148487] [2024-11-07 23:10:27,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:27,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:10:27,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:10:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:10:27,630 INFO L87 Difference]: Start difference. First operand 1159 states and 1638 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 23:10:27,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:27,729 INFO L93 Difference]: Finished difference Result 1576 states and 2224 transitions. [2024-11-07 23:10:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:10:27,733 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 23:10:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:27,739 INFO L225 Difference]: With dead ends: 1576 [2024-11-07 23:10:27,739 INFO L226 Difference]: Without dead ends: 1575 [2024-11-07 23:10:27,739 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 23:10:27,740 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 636 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:27,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 2589 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:27,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-07 23:10:27,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1525. [2024-11-07 23:10:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1464 states have (on average 1.4296448087431695) internal successors, (2093), 1483 states have internal predecessors, (2093), 37 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (37), 30 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 23:10:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2167 transitions. [2024-11-07 23:10:27,775 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2167 transitions. Word has length 83 [2024-11-07 23:10:27,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:27,776 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 2167 transitions. [2024-11-07 23:10:27,776 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 23:10:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2167 transitions. [2024-11-07 23:10:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 23:10:27,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:27,777 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 23:10:27,790 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 23:10:27,977 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 23:10:27,978 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 23:10:27,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:27,978 INFO L85 PathProgramCache]: Analyzing trace with hash 344125278, now seen corresponding path program 1 times [2024-11-07 23:10:27,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:27,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765741654] [2024-11-07 23:10:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:27,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:28,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:28,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:10:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:28,259 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 23:10:28,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:28,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765741654] [2024-11-07 23:10:28,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765741654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:28,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646278496] [2024-11-07 23:10:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:28,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:28,262 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 23:10:28,263 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 23:10:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:28,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:10:28,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:28,600 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 23:10:28,600 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:10:28,816 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 23:10:28,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646278496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:10:28,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:10:28,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-07 23:10:28,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687302110] [2024-11-07 23:10:28,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:10:28,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 23:10:28,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:28,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 23:10:28,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:10:28,818 INFO L87 Difference]: Start difference. First operand 1525 states and 2167 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 23:10:30,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:30,411 INFO L93 Difference]: Finished difference Result 4158 states and 5901 transitions. [2024-11-07 23:10:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 23:10:30,411 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 23:10:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:30,425 INFO L225 Difference]: With dead ends: 4158 [2024-11-07 23:10:30,425 INFO L226 Difference]: Without dead ends: 4156 [2024-11-07 23:10:30,426 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 23:10:30,427 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 5941 mSDsluCounter, 11594 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5966 SdHoareTripleChecker+Valid, 12314 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:30,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5966 Valid, 12314 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 23:10:30,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2024-11-07 23:10:30,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 3179. [2024-11-07 23:10:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3059 states have (on average 1.4233409610983982) internal successors, (4354), 3080 states have internal predecessors, (4354), 83 states have call successors, (83), 28 states have call predecessors, (83), 23 states have return successors, (106), 70 states have call predecessors, (106), 83 states have call successors, (106) [2024-11-07 23:10:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4543 transitions. [2024-11-07 23:10:30,518 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4543 transitions. Word has length 84 [2024-11-07 23:10:30,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:30,518 INFO L471 AbstractCegarLoop]: Abstraction has 3179 states and 4543 transitions. [2024-11-07 23:10:30,519 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 23:10:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4543 transitions. [2024-11-07 23:10:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:10:30,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:30,520 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 23:10:30,533 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 23:10:30,720 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 23:10:30,721 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 23:10:30,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:30,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1558756002, now seen corresponding path program 1 times [2024-11-07 23:10:30,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:30,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676405243] [2024-11-07 23:10:30,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:30,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:30,800 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 23:10:30,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:30,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676405243] [2024-11-07 23:10:30,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676405243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:30,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:30,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:10:30,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080089947] [2024-11-07 23:10:30,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:30,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:10:30,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:30,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:10:30,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:10:30,801 INFO L87 Difference]: Start difference. First operand 3179 states and 4543 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 23:10:30,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:30,953 INFO L93 Difference]: Finished difference Result 6616 states and 9488 transitions. [2024-11-07 23:10:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:10:30,954 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 23:10:30,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:30,966 INFO L225 Difference]: With dead ends: 6616 [2024-11-07 23:10:30,966 INFO L226 Difference]: Without dead ends: 3446 [2024-11-07 23:10:30,970 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 23:10:30,970 INFO L432 NwaCegarLoop]: 905 mSDtfsCounter, 420 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:30,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1545 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-11-07 23:10:31,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3332. [2024-11-07 23:10:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 3218 states have (on average 1.4334990677439403) internal successors, (4613), 3238 states have internal predecessors, (4613), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-11-07 23:10:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4795 transitions. [2024-11-07 23:10:31,060 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4795 transitions. Word has length 82 [2024-11-07 23:10:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:31,060 INFO L471 AbstractCegarLoop]: Abstraction has 3332 states and 4795 transitions. [2024-11-07 23:10:31,061 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 23:10:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4795 transitions. [2024-11-07 23:10:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 23:10:31,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:31,061 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 23:10:31,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:10:31,062 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 23:10:31,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:31,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1908045712, now seen corresponding path program 1 times [2024-11-07 23:10:31,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:31,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404745396] [2024-11-07 23:10:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:31,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:10:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:31,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:10:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:31,321 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 23:10:31,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:31,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404745396] [2024-11-07 23:10:31,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404745396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:31,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2825524] [2024-11-07 23:10:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:31,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:31,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:31,324 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 23:10:31,325 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 23:10:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:31,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:10:31,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:31,663 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 23:10:31,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:10:31,817 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 23:10:31,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2825524] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:31,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:10:31,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-07 23:10:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795323664] [2024-11-07 23:10:31,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:31,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:10:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:31,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:10:31,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:10:31,818 INFO L87 Difference]: Start difference. First operand 3332 states and 4795 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 23:10:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:31,913 INFO L93 Difference]: Finished difference Result 3332 states and 4795 transitions. [2024-11-07 23:10:31,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:10:31,914 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 23:10:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:31,923 INFO L225 Difference]: With dead ends: 3332 [2024-11-07 23:10:31,924 INFO L226 Difference]: Without dead ends: 3331 [2024-11-07 23:10:31,924 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 23:10:31,925 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 1816 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:31,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 671 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:10:31,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2024-11-07 23:10:31,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3331. [2024-11-07 23:10:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 3218 states have (on average 1.4319453076444997) internal successors, (4608), 3237 states have internal predecessors, (4608), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-11-07 23:10:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 4790 transitions. [2024-11-07 23:10:31,990 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 4790 transitions. Word has length 93 [2024-11-07 23:10:31,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:31,990 INFO L471 AbstractCegarLoop]: Abstraction has 3331 states and 4790 transitions. [2024-11-07 23:10:31,990 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 23:10:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 4790 transitions. [2024-11-07 23:10:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 23:10:31,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:31,991 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 23:10:32,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 23:10:32,191 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 23:10:32,192 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 23:10:32,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:32,192 INFO L85 PathProgramCache]: Analyzing trace with hash 980125141, now seen corresponding path program 1 times [2024-11-07 23:10:32,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:32,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207995361] [2024-11-07 23:10:32,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:32,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:10:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:10:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:32,419 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 23:10:32,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:32,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207995361] [2024-11-07 23:10:32,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207995361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:32,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813579485] [2024-11-07 23:10:32,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:32,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:32,421 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 23:10:32,422 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 23:10:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:32,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:10:32,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:32,750 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 23:10:32,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:10:32,893 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 23:10:32,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813579485] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:10:32,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:10:32,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-07 23:10:32,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370856734] [2024-11-07 23:10:32,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:10:32,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:10:32,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:10:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:10:32,894 INFO L87 Difference]: Start difference. First operand 3331 states and 4790 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 23:10:33,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:33,560 INFO L93 Difference]: Finished difference Result 6509 states and 9324 transitions. [2024-11-07 23:10:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:10:33,560 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 23:10:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:33,577 INFO L225 Difference]: With dead ends: 6509 [2024-11-07 23:10:33,577 INFO L226 Difference]: Without dead ends: 6508 [2024-11-07 23:10:33,578 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 23:10:33,578 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 2496 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2515 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:33,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2515 Valid, 5546 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:10:33,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6508 states. [2024-11-07 23:10:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6508 to 6070. [2024-11-07 23:10:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 5848 states have (on average 1.427325581395349) internal successors, (8347), 5872 states have internal predecessors, (8347), 159 states have call successors, (159), 56 states have call predecessors, (159), 50 states have return successors, (197), 141 states have call predecessors, (197), 159 states have call successors, (197) [2024-11-07 23:10:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8703 transitions. [2024-11-07 23:10:33,688 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8703 transitions. Word has length 94 [2024-11-07 23:10:33,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:33,689 INFO L471 AbstractCegarLoop]: Abstraction has 6070 states and 8703 transitions. [2024-11-07 23:10:33,689 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 23:10:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8703 transitions. [2024-11-07 23:10:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 23:10:33,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:33,690 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 23:10:33,703 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 23:10:33,890 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 23:10:33,890 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 23:10:33,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:33,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2083756214, now seen corresponding path program 1 times [2024-11-07 23:10:33,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:33,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088536455] [2024-11-07 23:10:33,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:10:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:10:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:10:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:34,182 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 23:10:34,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:34,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088536455] [2024-11-07 23:10:34,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088536455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:34,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:34,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:10:34,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743007494] [2024-11-07 23:10:34,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:34,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:10:34,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:34,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:10:34,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:10:34,186 INFO L87 Difference]: Start difference. First operand 6070 states and 8703 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 23:10:34,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:34,675 INFO L93 Difference]: Finished difference Result 8326 states and 11950 transitions. [2024-11-07 23:10:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:10:34,676 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 23:10:34,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:34,706 INFO L225 Difference]: With dead ends: 8326 [2024-11-07 23:10:34,706 INFO L226 Difference]: Without dead ends: 8324 [2024-11-07 23:10:34,710 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 23:10:34,710 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 564 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:34,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2917 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:10:34,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8324 states. [2024-11-07 23:10:34,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8324 to 6238. [2024-11-07 23:10:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 6007 states have (on average 1.4225070750790745) internal successors, (8545), 6032 states have internal predecessors, (8545), 168 states have call successors, (168), 56 states have call predecessors, (168), 50 states have return successors, (209), 149 states have call predecessors, (209), 168 states have call successors, (209) [2024-11-07 23:10:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8922 transitions. [2024-11-07 23:10:34,858 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8922 transitions. Word has length 120 [2024-11-07 23:10:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:34,858 INFO L471 AbstractCegarLoop]: Abstraction has 6238 states and 8922 transitions. [2024-11-07 23:10:34,858 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 23:10:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8922 transitions. [2024-11-07 23:10:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-07 23:10:34,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:34,859 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 23:10:34,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:10:34,859 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 23:10:34,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:34,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1429916002, now seen corresponding path program 1 times [2024-11-07 23:10:34,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:34,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177080234] [2024-11-07 23:10:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:10:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:10:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:10:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:35,132 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 23:10:35,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177080234] [2024-11-07 23:10:35,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177080234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395891620] [2024-11-07 23:10:35,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:35,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:35,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:35,134 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 23:10:35,135 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 23:10:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:35,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 23:10:35,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:35,500 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 23:10:35,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:35,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395891620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:35,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:35,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-07 23:10:35,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547014011] [2024-11-07 23:10:35,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:35,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:10:35,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:35,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:10:35,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:10:35,501 INFO L87 Difference]: Start difference. First operand 6238 states and 8922 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 23:10:35,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:35,729 INFO L93 Difference]: Finished difference Result 11822 states and 16948 transitions. [2024-11-07 23:10:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:10:35,730 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 23:10:35,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:35,744 INFO L225 Difference]: With dead ends: 11822 [2024-11-07 23:10:35,744 INFO L226 Difference]: Without dead ends: 5988 [2024-11-07 23:10:35,752 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 23:10:35,753 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 161 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 3174 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:35,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 3174 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2024-11-07 23:10:35,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 5988. [2024-11-07 23:10:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 5774 states have (on average 1.4255282299965362) internal successors, (8231), 5797 states have internal predecessors, (8231), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8580 transitions. [2024-11-07 23:10:35,921 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8580 transitions. Word has length 127 [2024-11-07 23:10:35,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:35,922 INFO L471 AbstractCegarLoop]: Abstraction has 5988 states and 8580 transitions. [2024-11-07 23:10:35,922 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 23:10:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8580 transitions. [2024-11-07 23:10:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 23:10:35,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:35,924 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 23:10:35,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 23:10:36,124 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 23:10:36,124 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 23:10:36,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:36,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2038802715, now seen corresponding path program 1 times [2024-11-07 23:10:36,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:36,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845934109] [2024-11-07 23:10:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:36,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:10:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 23:10:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 23:10:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:10:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,568 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 23:10:36,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:36,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845934109] [2024-11-07 23:10:36,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845934109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:36,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953332858] [2024-11-07 23:10:36,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:36,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:36,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:36,570 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 23:10:36,571 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 23:10:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:36,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 23:10:36,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:37,025 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 23:10:37,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:37,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953332858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:37,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:37,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:10:37,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404384484] [2024-11-07 23:10:37,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:37,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:10:37,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:37,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:10:37,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:10:37,027 INFO L87 Difference]: Start difference. First operand 5988 states and 8580 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 23:10:37,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:37,615 INFO L93 Difference]: Finished difference Result 12394 states and 17725 transitions. [2024-11-07 23:10:37,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:10:37,616 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 23:10:37,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:37,627 INFO L225 Difference]: With dead ends: 12394 [2024-11-07 23:10:37,627 INFO L226 Difference]: Without dead ends: 6495 [2024-11-07 23:10:37,635 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 23:10:37,636 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 15 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:37,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3254 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:10:37,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6495 states. [2024-11-07 23:10:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6495 to 6443. [2024-11-07 23:10:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6443 states, 6229 states have (on average 1.411141435222347) internal successors, (8790), 6252 states have internal predecessors, (8790), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 6443 states and 9139 transitions. [2024-11-07 23:10:37,748 INFO L78 Accepts]: Start accepts. Automaton has 6443 states and 9139 transitions. Word has length 132 [2024-11-07 23:10:37,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:37,748 INFO L471 AbstractCegarLoop]: Abstraction has 6443 states and 9139 transitions. [2024-11-07 23:10:37,749 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 23:10:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 6443 states and 9139 transitions. [2024-11-07 23:10:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 23:10:37,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:37,750 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 23:10:37,764 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 23:10:37,950 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 23:10:37,951 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 23:10:37,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1820581846, now seen corresponding path program 1 times [2024-11-07 23:10:37,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:37,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946001685] [2024-11-07 23:10:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:37,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:10:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 23:10:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 23:10:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:38,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 23:10:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:38,222 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 23:10:38,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:38,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946001685] [2024-11-07 23:10:38,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946001685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:38,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:38,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:10:38,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685391210] [2024-11-07 23:10:38,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:38,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:10:38,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:38,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:10:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:10:38,224 INFO L87 Difference]: Start difference. First operand 6443 states and 9139 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 23:10:39,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:39,019 INFO L93 Difference]: Finished difference Result 12856 states and 18264 transitions. [2024-11-07 23:10:39,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:10:39,020 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 23:10:39,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:39,034 INFO L225 Difference]: With dead ends: 12856 [2024-11-07 23:10:39,034 INFO L226 Difference]: Without dead ends: 6547 [2024-11-07 23:10:39,042 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 23:10:39,043 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 57 mSDsluCounter, 3541 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:39,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 4168 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:10:39,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6547 states. [2024-11-07 23:10:39,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6547 to 6495. [2024-11-07 23:10:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6495 states, 6281 states have (on average 1.4118770896354085) internal successors, (8868), 6304 states have internal predecessors, (8868), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 9217 transitions. [2024-11-07 23:10:39,166 INFO L78 Accepts]: Start accepts. Automaton has 6495 states and 9217 transitions. Word has length 133 [2024-11-07 23:10:39,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:39,167 INFO L471 AbstractCegarLoop]: Abstraction has 6495 states and 9217 transitions. [2024-11-07 23:10:39,167 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 23:10:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6495 states and 9217 transitions. [2024-11-07 23:10:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 23:10:39,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:39,169 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 23:10:39,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 23:10:39,169 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 23:10:39,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:39,169 INFO L85 PathProgramCache]: Analyzing trace with hash 219360999, now seen corresponding path program 1 times [2024-11-07 23:10:39,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:39,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007420295] [2024-11-07 23:10:39,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:39,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:10:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:39,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:39,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 23:10:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:39,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 23:10:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:39,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 23:10:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:39,559 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 23:10:39,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:39,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007420295] [2024-11-07 23:10:39,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007420295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:39,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:39,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:10:39,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937783545] [2024-11-07 23:10:39,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:39,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:10:39,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:39,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:10:39,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:10:39,561 INFO L87 Difference]: Start difference. First operand 6495 states and 9217 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 23:10:40,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:40,590 INFO L93 Difference]: Finished difference Result 13143 states and 18667 transitions. [2024-11-07 23:10:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:10:40,590 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 23:10:40,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:40,605 INFO L225 Difference]: With dead ends: 13143 [2024-11-07 23:10:40,605 INFO L226 Difference]: Without dead ends: 6781 [2024-11-07 23:10:40,612 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 23:10:40,613 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 79 mSDsluCounter, 4625 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:40,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 5247 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 23:10:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2024-11-07 23:10:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 6651. [2024-11-07 23:10:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6651 states, 6437 states have (on average 1.4119931645176325) internal successors, (9089), 6460 states have internal predecessors, (9089), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6651 states to 6651 states and 9438 transitions. [2024-11-07 23:10:40,717 INFO L78 Accepts]: Start accepts. Automaton has 6651 states and 9438 transitions. Word has length 134 [2024-11-07 23:10:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:40,717 INFO L471 AbstractCegarLoop]: Abstraction has 6651 states and 9438 transitions. [2024-11-07 23:10:40,717 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 23:10:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6651 states and 9438 transitions. [2024-11-07 23:10:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 23:10:40,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:40,718 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 23:10:40,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:10:40,719 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 23:10:40,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:40,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1436897024, now seen corresponding path program 1 times [2024-11-07 23:10:40,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:40,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418582961] [2024-11-07 23:10:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:10:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:40,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 23:10:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:41,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 23:10:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:41,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 23:10:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:41,017 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 23:10:41,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:41,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418582961] [2024-11-07 23:10:41,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418582961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:41,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938585818] [2024-11-07 23:10:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:41,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:41,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:41,020 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 23:10:41,021 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 23:10:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:41,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 23:10:41,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:41,372 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 23:10:41,398 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 23:10:41,465 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 23:10:41,988 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 23:10:41,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:41,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938585818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:41,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:41,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-07 23:10:41,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125016727] [2024-11-07 23:10:41,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:41,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:10:41,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:41,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:10:41,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:10:41,989 INFO L87 Difference]: Start difference. First operand 6651 states and 9438 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 23:10:43,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:43,155 INFO L93 Difference]: Finished difference Result 15264 states and 21721 transitions. [2024-11-07 23:10:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:10:43,156 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 23:10:43,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:43,172 INFO L225 Difference]: With dead ends: 15264 [2024-11-07 23:10:43,172 INFO L226 Difference]: Without dead ends: 8745 [2024-11-07 23:10:43,180 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 23:10:43,181 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 880 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 3809 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:43,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 3809 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 23:10:43,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2024-11-07 23:10:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 6639. [2024-11-07 23:10:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6639 states, 6425 states have (on average 1.411828793774319) internal successors, (9071), 6448 states have internal predecessors, (9071), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6639 states to 6639 states and 9420 transitions. [2024-11-07 23:10:43,339 INFO L78 Accepts]: Start accepts. Automaton has 6639 states and 9420 transitions. Word has length 134 [2024-11-07 23:10:43,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:43,340 INFO L471 AbstractCegarLoop]: Abstraction has 6639 states and 9420 transitions. [2024-11-07 23:10:43,340 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 23:10:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 6639 states and 9420 transitions. [2024-11-07 23:10:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 23:10:43,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:43,341 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 23:10:43,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 23:10:43,541 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 23:10:43,542 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 23:10:43,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:43,542 INFO L85 PathProgramCache]: Analyzing trace with hash 786605260, now seen corresponding path program 1 times [2024-11-07 23:10:43,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:43,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309868132] [2024-11-07 23:10:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:43,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:43,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 23:10:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:10:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 23:10:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 23:10:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:43,821 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 23:10:43,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:43,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309868132] [2024-11-07 23:10:43,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309868132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:43,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:43,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:10:43,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828867766] [2024-11-07 23:10:43,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:43,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:10:43,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:43,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:10:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:10:43,822 INFO L87 Difference]: Start difference. First operand 6639 states and 9420 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 23:10:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:44,573 INFO L93 Difference]: Finished difference Result 13394 states and 19001 transitions. [2024-11-07 23:10:44,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:10:44,573 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 23:10:44,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:44,586 INFO L225 Difference]: With dead ends: 13394 [2024-11-07 23:10:44,586 INFO L226 Difference]: Without dead ends: 6886 [2024-11-07 23:10:44,593 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 23:10:44,594 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 65 mSDsluCounter, 3682 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 4304 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:44,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 4304 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:10:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6886 states. [2024-11-07 23:10:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6886 to 6721. [2024-11-07 23:10:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6721 states, 6507 states have (on average 1.4107883817427387) internal successors, (9180), 6530 states have internal predecessors, (9180), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 9529 transitions. [2024-11-07 23:10:44,695 INFO L78 Accepts]: Start accepts. Automaton has 6721 states and 9529 transitions. Word has length 136 [2024-11-07 23:10:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:44,695 INFO L471 AbstractCegarLoop]: Abstraction has 6721 states and 9529 transitions. [2024-11-07 23:10:44,695 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 23:10:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 6721 states and 9529 transitions. [2024-11-07 23:10:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:10:44,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:44,697 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 23:10:44,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:10:44,697 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 23:10:44,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:44,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1418064185, now seen corresponding path program 1 times [2024-11-07 23:10:44,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:44,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271121152] [2024-11-07 23:10:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:44,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:10:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:44,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:44,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:10:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:45,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:10:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:10:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:45,019 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 23:10:45,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:45,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271121152] [2024-11-07 23:10:45,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271121152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:45,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22466671] [2024-11-07 23:10:45,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:45,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:45,021 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 23:10:45,023 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 23:10:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:45,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 23:10:45,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:45,438 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 23:10:45,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:45,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22466671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:45,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:45,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:10:45,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7189300] [2024-11-07 23:10:45,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:45,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:10:45,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:45,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:10:45,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:10:45,439 INFO L87 Difference]: Start difference. First operand 6721 states and 9529 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 23:10:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:45,780 INFO L93 Difference]: Finished difference Result 13471 states and 19122 transitions. [2024-11-07 23:10:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:10:45,780 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 23:10:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:45,791 INFO L225 Difference]: With dead ends: 13471 [2024-11-07 23:10:45,791 INFO L226 Difference]: Without dead ends: 6903 [2024-11-07 23:10:45,798 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 23:10:45,799 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 40 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3400 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 23:10:45,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3400 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:10:45,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6903 states. [2024-11-07 23:10:45,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 6812. [2024-11-07 23:10:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 6598 states have (on average 1.4110336465595634) internal successors, (9310), 6621 states have internal predecessors, (9310), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-07 23:10:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 9659 transitions. [2024-11-07 23:10:45,926 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 9659 transitions. Word has length 137 [2024-11-07 23:10:45,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:45,927 INFO L471 AbstractCegarLoop]: Abstraction has 6812 states and 9659 transitions. [2024-11-07 23:10:45,927 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 23:10:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 9659 transitions. [2024-11-07 23:10:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:10:45,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:45,928 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 23:10:45,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 23:10:46,129 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 23:10:46,129 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 23:10:46,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1659367086, now seen corresponding path program 1 times [2024-11-07 23:10:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:46,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322677199] [2024-11-07 23:10:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:10:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:10:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:10:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:10:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,415 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 23:10:46,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322677199] [2024-11-07 23:10:46,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322677199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:46,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951650735] [2024-11-07 23:10:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:46,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:46,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:46,418 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 23:10:46,419 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 23:10:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:46,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 23:10:46,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:46,853 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 23:10:46,853 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:46,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951650735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:46,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:46,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-07 23:10:46,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429880403] [2024-11-07 23:10:46,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:46,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:10:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:46,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:10:46,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:10:46,854 INFO L87 Difference]: Start difference. First operand 6812 states and 9659 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 23:10:46,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:46,989 INFO L93 Difference]: Finished difference Result 10316 states and 14590 transitions. [2024-11-07 23:10:46,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:10:46,990 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 23:10:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:46,998 INFO L225 Difference]: With dead ends: 10316 [2024-11-07 23:10:46,998 INFO L226 Difference]: Without dead ends: 3687 [2024-11-07 23:10:47,005 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 23:10:47,006 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 13 mSDsluCounter, 4603 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5266 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:47,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5266 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:10:47,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2024-11-07 23:10:47,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3685. [2024-11-07 23:10:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3685 states, 3547 states have (on average 1.4011840992387934) internal successors, (4970), 3563 states have internal predecessors, (4970), 86 states have call successors, (86), 42 states have call predecessors, (86), 39 states have return successors, (97), 79 states have call predecessors, (97), 86 states have call successors, (97) [2024-11-07 23:10:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5153 transitions. [2024-11-07 23:10:47,090 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5153 transitions. Word has length 137 [2024-11-07 23:10:47,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:47,090 INFO L471 AbstractCegarLoop]: Abstraction has 3685 states and 5153 transitions. [2024-11-07 23:10:47,090 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 23:10:47,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5153 transitions. [2024-11-07 23:10:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:10:47,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:47,091 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 23:10:47,106 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 23:10:47,292 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 23:10:47,293 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 23:10:47,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash -109109404, now seen corresponding path program 1 times [2024-11-07 23:10:47,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:47,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188899994] [2024-11-07 23:10:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:47,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:10:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:10:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:10:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:10:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,599 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 23:10:47,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:47,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188899994] [2024-11-07 23:10:47,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188899994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:47,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609895686] [2024-11-07 23:10:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:47,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:47,602 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 23:10:47,603 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 23:10:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:47,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 23:10:47,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:48,054 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 23:10:48,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:10:48,151 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 23:10:48,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609895686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:10:48,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:10:48,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-07 23:10:48,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749870257] [2024-11-07 23:10:48,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:10:48,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 23:10:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:48,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 23:10:48,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-07 23:10:48,153 INFO L87 Difference]: Start difference. First operand 3685 states and 5153 transitions. Second operand has 18 states, 18 states have (on average 8.833333333333334) internal successors, (159), 16 states have internal predecessors, (159), 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 23:10:48,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:48,915 INFO L93 Difference]: Finished difference Result 7250 states and 10161 transitions. [2024-11-07 23:10:48,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 23:10:48,916 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.833333333333334) internal successors, (159), 16 states have internal predecessors, (159), 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 139 [2024-11-07 23:10:48,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:48,923 INFO L225 Difference]: With dead ends: 7250 [2024-11-07 23:10:48,923 INFO L226 Difference]: Without dead ends: 3757 [2024-11-07 23:10:48,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=258, Invalid=1382, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 23:10:48,927 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 102 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 6801 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:48,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 6801 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:10:48,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2024-11-07 23:10:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3725. [2024-11-07 23:10:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3725 states, 3586 states have (on average 1.401282766313441) internal successors, (5025), 3599 states have internal predecessors, (5025), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-07 23:10:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 3725 states and 5204 transitions. [2024-11-07 23:10:49,036 INFO L78 Accepts]: Start accepts. Automaton has 3725 states and 5204 transitions. Word has length 139 [2024-11-07 23:10:49,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:49,037 INFO L471 AbstractCegarLoop]: Abstraction has 3725 states and 5204 transitions. [2024-11-07 23:10:49,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.833333333333334) internal successors, (159), 16 states have internal predecessors, (159), 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 23:10:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 5204 transitions. [2024-11-07 23:10:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 23:10:49,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:49,039 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] [2024-11-07 23:10:49,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 23:10:49,239 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 23:10:49,240 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 23:10:49,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash -544423374, now seen corresponding path program 2 times [2024-11-07 23:10:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:49,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380135615] [2024-11-07 23:10:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:49,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:10:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:49,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:10:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:49,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 23:10:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 23:10:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:49,713 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 23:10:49,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:49,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380135615] [2024-11-07 23:10:49,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380135615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:49,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028194736] [2024-11-07 23:10:49,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:10:49,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:49,715 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 23:10:49,716 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 23:10:50,014 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 23:10:50,015 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:10:50,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:10:50,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:50,023 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 23:10:50,031 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 23:10:50,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:50,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028194736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:50,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:50,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-07 23:10:50,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12652031] [2024-11-07 23:10:50,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:50,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:10:50,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:50,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:10:50,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:10:50,032 INFO L87 Difference]: Start difference. First operand 3725 states and 5204 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 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 23:10:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:50,079 INFO L93 Difference]: Finished difference Result 3725 states and 5204 transitions. [2024-11-07 23:10:50,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:10:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 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 143 [2024-11-07 23:10:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:50,090 INFO L225 Difference]: With dead ends: 3725 [2024-11-07 23:10:50,090 INFO L226 Difference]: Without dead ends: 3724 [2024-11-07 23:10:50,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 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 23:10:50,092 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 1 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1340 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 23:10:50,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1340 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:10:50,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2024-11-07 23:10:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3724. [2024-11-07 23:10:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3724 states, 3586 states have (on average 1.3996095928611265) internal successors, (5019), 3598 states have internal predecessors, (5019), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-07 23:10:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 5198 transitions. [2024-11-07 23:10:50,156 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 5198 transitions. Word has length 143 [2024-11-07 23:10:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:50,156 INFO L471 AbstractCegarLoop]: Abstraction has 3724 states and 5198 transitions. [2024-11-07 23:10:50,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 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 23:10:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 5198 transitions. [2024-11-07 23:10:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 23:10:50,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:50,157 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] [2024-11-07 23:10:50,171 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 23:10:50,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:50,358 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:10:50,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:50,359 INFO L85 PathProgramCache]: Analyzing trace with hash 302744693, now seen corresponding path program 1 times [2024-11-07 23:10:50,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:50,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018779768] [2024-11-07 23:10:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:10:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:50,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:50,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:10:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:50,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 23:10:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:50,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 23:10:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:50,794 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 23:10:50,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:50,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018779768] [2024-11-07 23:10:50,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018779768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:50,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256180532] [2024-11-07 23:10:50,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:50,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:50,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:50,796 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 23:10:50,798 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 23:10:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:51,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 23:10:51,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:51,290 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 23:10:51,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:10:51,465 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 23:10:51,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256180532] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:10:51,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:10:51,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-07 23:10:51,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559620815] [2024-11-07 23:10:51,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:10:51,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 23:10:51,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:51,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 23:10:51,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-07 23:10:51,466 INFO L87 Difference]: Start difference. First operand 3724 states and 5198 transitions. Second operand has 28 states, 28 states have (on average 6.107142857142857) internal successors, (171), 26 states have internal predecessors, (171), 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 23:10:52,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:52,865 INFO L93 Difference]: Finished difference Result 6894 states and 9608 transitions. [2024-11-07 23:10:52,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-07 23:10:52,865 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.107142857142857) internal successors, (171), 26 states have internal predecessors, (171), 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 144 [2024-11-07 23:10:52,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:52,872 INFO L225 Difference]: With dead ends: 6894 [2024-11-07 23:10:52,872 INFO L226 Difference]: Without dead ends: 3196 [2024-11-07 23:10:52,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=534, Invalid=2888, Unknown=0, NotChecked=0, Total=3422 [2024-11-07 23:10:52,876 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 126 mSDsluCounter, 9554 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 10103 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:52,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 10103 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:10:52,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2024-11-07 23:10:52,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 3174. [2024-11-07 23:10:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 3036 states have (on average 1.3784584980237153) internal successors, (4185), 3048 states have internal predecessors, (4185), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-07 23:10:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4364 transitions. [2024-11-07 23:10:52,976 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4364 transitions. Word has length 144 [2024-11-07 23:10:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:52,976 INFO L471 AbstractCegarLoop]: Abstraction has 3174 states and 4364 transitions. [2024-11-07 23:10:52,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.107142857142857) internal successors, (171), 26 states have internal predecessors, (171), 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 23:10:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4364 transitions. [2024-11-07 23:10:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-07 23:10:52,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:52,977 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] [2024-11-07 23:10:52,991 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 23:10:53,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:53,177 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:10:53,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:53,178 INFO L85 PathProgramCache]: Analyzing trace with hash 810593628, now seen corresponding path program 2 times [2024-11-07 23:10:53,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:53,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505499456] [2024-11-07 23:10:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:10:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:10:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:10:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:10:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 23:10:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:53,865 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 23:10:53,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:53,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505499456] [2024-11-07 23:10:53,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505499456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:53,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453433545] [2024-11-07 23:10:53,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:10:53,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:53,867 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 23:10:53,869 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 23:10:54,250 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:10:54,250 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:10:54,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 23:10:54,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:54,258 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 23:10:54,546 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 3 [2024-11-07 23:10:54,598 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 23:10:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-07 23:10:54,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:11:03,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453433545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:03,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:11:03,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 24 [2024-11-07 23:11:03,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181686030] [2024-11-07 23:11:03,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 23:11:03,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 23:11:03,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:03,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 23:11:03,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=774, Unknown=1, NotChecked=0, Total=870 [2024-11-07 23:11:03,579 INFO L87 Difference]: Start difference. First operand 3174 states and 4364 transitions. Second operand has 24 states, 24 states have (on average 10.458333333333334) internal successors, (251), 22 states have internal predecessors, (251), 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 23:11:05,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:05,901 INFO L93 Difference]: Finished difference Result 7879 states and 10886 transitions. [2024-11-07 23:11:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-07 23:11:05,901 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 10.458333333333334) internal successors, (251), 22 states have internal predecessors, (251), 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 153 [2024-11-07 23:11:05,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:05,910 INFO L225 Difference]: With dead ends: 7879 [2024-11-07 23:11:05,910 INFO L226 Difference]: Without dead ends: 4827 [2024-11-07 23:11:05,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 177 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=441, Invalid=3980, Unknown=1, NotChecked=0, Total=4422 [2024-11-07 23:11:05,914 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 1399 mSDsluCounter, 7331 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 8061 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:05,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 8061 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 23:11:05,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2024-11-07 23:11:05,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 3894. [2024-11-07 23:11:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3894 states, 3723 states have (on average 1.3865162503357507) internal successors, (5162), 3739 states have internal predecessors, (5162), 110 states have call successors, (110), 55 states have call predecessors, (110), 49 states have return successors, (117), 99 states have call predecessors, (117), 110 states have call successors, (117) [2024-11-07 23:11:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 5389 transitions. [2024-11-07 23:11:06,000 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 5389 transitions. Word has length 153 [2024-11-07 23:11:06,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:06,000 INFO L471 AbstractCegarLoop]: Abstraction has 3894 states and 5389 transitions. [2024-11-07 23:11:06,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.458333333333334) internal successors, (251), 22 states have internal predecessors, (251), 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 23:11:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 5389 transitions. [2024-11-07 23:11:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-07 23:11:06,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:06,002 INFO L215 NwaCegarLoop]: trace histogram [16, 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] [2024-11-07 23:11:06,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 23:11:06,202 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,SelfDestructingSolverStorable23 [2024-11-07 23:11:06,203 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:06,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:06,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1740629502, now seen corresponding path program 1 times [2024-11-07 23:11:06,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:06,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893177999] [2024-11-07 23:11:06,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 23:11:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 23:11:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-07 23:11:06,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:06,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893177999] [2024-11-07 23:11:06,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893177999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:06,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781294377] [2024-11-07 23:11:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:06,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:06,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:06,644 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 23:11:06,645 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 23:11:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:07,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 23:11:07,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 23:11:07,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:11:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-07 23:11:07,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781294377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:11:07,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:11:07,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 10] total 19 [2024-11-07 23:11:07,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162036398] [2024-11-07 23:11:07,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:11:07,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 23:11:07,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:07,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 23:11:07,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-07 23:11:07,332 INFO L87 Difference]: Start difference. First operand 3894 states and 5389 transitions. Second operand has 20 states, 19 states have (on average 10.157894736842104) internal successors, (193), 15 states have internal predecessors, (193), 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 23:11:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:08,413 INFO L93 Difference]: Finished difference Result 10505 states and 14854 transitions. [2024-11-07 23:11:08,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 23:11:08,413 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.157894736842104) internal successors, (193), 15 states have internal predecessors, (193), 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 167 [2024-11-07 23:11:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:08,425 INFO L225 Difference]: With dead ends: 10505 [2024-11-07 23:11:08,425 INFO L226 Difference]: Without dead ends: 8348 [2024-11-07 23:11:08,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 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 23:11:08,428 INFO L432 NwaCegarLoop]: 1191 mSDtfsCounter, 4292 mSDsluCounter, 10303 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4309 SdHoareTripleChecker+Valid, 11494 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:08,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4309 Valid, 11494 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:11:08,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8348 states. [2024-11-07 23:11:08,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8348 to 5509. [2024-11-07 23:11:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5509 states, 5306 states have (on average 1.4067093856012063) internal successors, (7464), 5326 states have internal predecessors, (7464), 140 states have call successors, (140), 59 states have call predecessors, (140), 52 states have return successors, (141), 123 states have call predecessors, (141), 140 states have call successors, (141) [2024-11-07 23:11:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5509 states to 5509 states and 7745 transitions. [2024-11-07 23:11:08,543 INFO L78 Accepts]: Start accepts. Automaton has 5509 states and 7745 transitions. Word has length 167 [2024-11-07 23:11:08,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:08,544 INFO L471 AbstractCegarLoop]: Abstraction has 5509 states and 7745 transitions. [2024-11-07 23:11:08,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.157894736842104) internal successors, (193), 15 states have internal predecessors, (193), 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 23:11:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 5509 states and 7745 transitions. [2024-11-07 23:11:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 23:11:08,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:08,546 INFO L215 NwaCegarLoop]: trace histogram [16, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:08,565 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 23:11:08,746 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,SelfDestructingSolverStorable24 [2024-11-07 23:11:08,747 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:08,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:08,747 INFO L85 PathProgramCache]: Analyzing trace with hash -888936262, now seen corresponding path program 1 times [2024-11-07 23:11:08,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:08,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931607472] [2024-11-07 23:11:08,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:08,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:11:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 23:11:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-07 23:11:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-07 23:11:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-07 23:11:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-07 23:11:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-07 23:11:09,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:09,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931607472] [2024-11-07 23:11:09,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931607472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:09,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:11:09,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:11:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089108039] [2024-11-07 23:11:09,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:09,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:11:09,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:11:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:11:09,002 INFO L87 Difference]: Start difference. First operand 5509 states and 7745 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:11:09,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:09,545 INFO L93 Difference]: Finished difference Result 6987 states and 9865 transitions. [2024-11-07 23:11:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:11:09,548 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 216 [2024-11-07 23:11:09,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:09,554 INFO L225 Difference]: With dead ends: 6987 [2024-11-07 23:11:09,554 INFO L226 Difference]: Without dead ends: 2448 [2024-11-07 23:11:09,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:11:09,557 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 1941 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:09,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 2950 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:11:09,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2024-11-07 23:11:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2439. [2024-11-07 23:11:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2361 states have (on average 1.395171537484117) internal successors, (3294), 2371 states have internal predecessors, (3294), 46 states have call successors, (46), 25 states have call predecessors, (46), 23 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 23:11:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3386 transitions. [2024-11-07 23:11:09,643 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3386 transitions. Word has length 216 [2024-11-07 23:11:09,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:09,643 INFO L471 AbstractCegarLoop]: Abstraction has 2439 states and 3386 transitions. [2024-11-07 23:11:09,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:11:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3386 transitions. [2024-11-07 23:11:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 23:11:09,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:09,645 INFO L215 NwaCegarLoop]: trace histogram [16, 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] [2024-11-07 23:11:09,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 23:11:09,646 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:09,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:09,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1443584986, now seen corresponding path program 1 times [2024-11-07 23:11:09,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:09,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888663940] [2024-11-07 23:11:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:09,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:09,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:09,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888663940] [2024-11-07 23:11:09,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888663940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:09,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:11:09,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:11:09,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054247967] [2024-11-07 23:11:09,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:09,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:11:09,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:09,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:11:09,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:11:09,813 INFO L87 Difference]: Start difference. First operand 2439 states and 3386 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 3 states have internal predecessors, (178), 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 23:11:10,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:10,120 INFO L93 Difference]: Finished difference Result 3178 states and 4422 transitions. [2024-11-07 23:11:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:11:10,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 3 states have internal predecessors, (178), 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 215 [2024-11-07 23:11:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:10,126 INFO L225 Difference]: With dead ends: 3178 [2024-11-07 23:11:10,126 INFO L226 Difference]: Without dead ends: 1543 [2024-11-07 23:11:10,127 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 23:11:10,128 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 56 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 2071 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:10,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 2071 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:11:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2024-11-07 23:11:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1543. [2024-11-07 23:11:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1481 states have (on average 1.3416610398379474) internal successors, (1987), 1490 states have internal predecessors, (1987), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2049 transitions. [2024-11-07 23:11:10,174 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2049 transitions. Word has length 215 [2024-11-07 23:11:10,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:10,174 INFO L471 AbstractCegarLoop]: Abstraction has 1543 states and 2049 transitions. [2024-11-07 23:11:10,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 3 states have internal predecessors, (178), 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 23:11:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2049 transitions. [2024-11-07 23:11:10,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-07 23:11:10,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:10,177 INFO L215 NwaCegarLoop]: trace histogram [16, 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] [2024-11-07 23:11:10,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 23:11:10,177 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:10,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:10,177 INFO L85 PathProgramCache]: Analyzing trace with hash -90223248, now seen corresponding path program 1 times [2024-11-07 23:11:10,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:10,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970788832] [2024-11-07 23:11:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:10,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:10,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:10,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970788832] [2024-11-07 23:11:10,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970788832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:10,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:11:10,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:11:10,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726807353] [2024-11-07 23:11:10,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:10,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:11:10,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:10,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:11:10,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:11:10,369 INFO L87 Difference]: Start difference. First operand 1543 states and 2049 transitions. Second operand has 5 states, 4 states have (on average 45.0) internal successors, (180), 3 states have internal predecessors, (180), 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 23:11:10,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:10,710 INFO L93 Difference]: Finished difference Result 1703 states and 2283 transitions. [2024-11-07 23:11:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:11:10,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 3 states have internal predecessors, (180), 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 217 [2024-11-07 23:11:10,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:10,716 INFO L225 Difference]: With dead ends: 1703 [2024-11-07 23:11:10,716 INFO L226 Difference]: Without dead ends: 1701 [2024-11-07 23:11:10,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 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 23:11:10,717 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 344 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:10,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1860 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:11:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-11-07 23:11:10,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1701. [2024-11-07 23:11:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1639 states have (on average 1.352654057352044) internal successors, (2217), 1648 states have internal predecessors, (2217), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2279 transitions. [2024-11-07 23:11:10,781 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2279 transitions. Word has length 217 [2024-11-07 23:11:10,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:10,782 INFO L471 AbstractCegarLoop]: Abstraction has 1701 states and 2279 transitions. [2024-11-07 23:11:10,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 3 states have internal predecessors, (180), 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 23:11:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2279 transitions. [2024-11-07 23:11:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-07 23:11:10,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:10,784 INFO L215 NwaCegarLoop]: trace histogram [16, 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 23:11:10,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 23:11:10,784 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:10,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash 534298100, now seen corresponding path program 1 times [2024-11-07 23:11:10,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:10,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744686723] [2024-11-07 23:11:10,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:10,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:10,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:10,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744686723] [2024-11-07 23:11:10,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744686723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:10,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861838957] [2024-11-07 23:11:10,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:10,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:10,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:10,986 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 23:11:10,987 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 23:11:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:11,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:11:11,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-07 23:11:11,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:11:11,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861838957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:11,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:11:11,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-07 23:11:11,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678336912] [2024-11-07 23:11:11,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:11,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:11:11,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:11,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:11:11,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:11:11,486 INFO L87 Difference]: Start difference. First operand 1701 states and 2279 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 23:11:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:11,577 INFO L93 Difference]: Finished difference Result 2546 states and 3462 transitions. [2024-11-07 23:11:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:11:11,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 228 [2024-11-07 23:11:11,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:11,582 INFO L225 Difference]: With dead ends: 2546 [2024-11-07 23:11:11,582 INFO L226 Difference]: Without dead ends: 1781 [2024-11-07 23:11:11,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 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 23:11:11,583 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 8 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:11,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1125 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:11:11,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2024-11-07 23:11:11,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1781. [2024-11-07 23:11:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1719 states have (on average 1.336242001163467) internal successors, (2297), 1728 states have internal predecessors, (2297), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2359 transitions. [2024-11-07 23:11:11,628 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2359 transitions. Word has length 228 [2024-11-07 23:11:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:11,629 INFO L471 AbstractCegarLoop]: Abstraction has 1781 states and 2359 transitions. [2024-11-07 23:11:11,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 23:11:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2359 transitions. [2024-11-07 23:11:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-07 23:11:11,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:11,630 INFO L215 NwaCegarLoop]: trace histogram [16, 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 23:11:11,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-07 23:11:11,831 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,SelfDestructingSolverStorable28 [2024-11-07 23:11:11,831 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 23:11:11,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:11,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1750451826, now seen corresponding path program 1 times [2024-11-07 23:11:11,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:11,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754822830] [2024-11-07 23:11:11,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:11,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:12,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:12,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754822830] [2024-11-07 23:11:12,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754822830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:12,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712752158] [2024-11-07 23:11:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:12,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:12,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:12,064 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 23:11:12,065 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 23:11:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:12,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:11:12,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-07 23:11:12,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:11:12,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712752158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:12,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:11:12,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 23:11:12,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730338211] [2024-11-07 23:11:12,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:12,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:11:12,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:12,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:11:12,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:11:12,645 INFO L87 Difference]: Start difference. First operand 1781 states and 2359 transitions. Second operand has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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 23:11:12,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:12,763 INFO L93 Difference]: Finished difference Result 2534 states and 3392 transitions. [2024-11-07 23:11:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:11:12,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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 228 [2024-11-07 23:11:12,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:12,769 INFO L225 Difference]: With dead ends: 2534 [2024-11-07 23:11:12,769 INFO L226 Difference]: Without dead ends: 1725 [2024-11-07 23:11:12,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 233 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 23:11:12,772 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 105 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1593 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 23:11:12,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1593 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:11:12,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2024-11-07 23:11:12,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1725. [2024-11-07 23:11:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1663 states have (on average 1.3307276007215876) internal successors, (2213), 1672 states have internal predecessors, (2213), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2275 transitions. [2024-11-07 23:11:12,833 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2275 transitions. Word has length 228 [2024-11-07 23:11:12,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:12,834 INFO L471 AbstractCegarLoop]: Abstraction has 1725 states and 2275 transitions. [2024-11-07 23:11:12,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.0) internal successors, (188), 4 states have internal predecessors, (188), 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 23:11:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2275 transitions. [2024-11-07 23:11:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-07 23:11:12,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:12,835 INFO L215 NwaCegarLoop]: trace histogram [16, 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 23:11:12,853 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 23:11:13,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:13,036 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 23:11:13,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash -506980736, now seen corresponding path program 1 times [2024-11-07 23:11:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:13,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423264516] [2024-11-07 23:11:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:13,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:13,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423264516] [2024-11-07 23:11:13,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423264516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562274754] [2024-11-07 23:11:13,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:13,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:13,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:13,241 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 23:11:13,243 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 23:11:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:13,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:11:13,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:13,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:11:13,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562274754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:13,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:11:13,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 23:11:13,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413588287] [2024-11-07 23:11:13,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:13,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:11:13,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:13,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:11:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:11:13,929 INFO L87 Difference]: Start difference. First operand 1725 states and 2275 transitions. Second operand has 4 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 23:11:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:14,001 INFO L93 Difference]: Finished difference Result 1725 states and 2275 transitions. [2024-11-07 23:11:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:11:14,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 228 [2024-11-07 23:11:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:14,006 INFO L225 Difference]: With dead ends: 1725 [2024-11-07 23:11:14,006 INFO L226 Difference]: Without dead ends: 1724 [2024-11-07 23:11:14,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 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 23:11:14,007 INFO L432 NwaCegarLoop]: 797 mSDtfsCounter, 709 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:14,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 1237 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:11:14,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2024-11-07 23:11:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1724. [2024-11-07 23:11:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1663 states have (on average 1.3289236319903788) internal successors, (2210), 1671 states have internal predecessors, (2210), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2272 transitions. [2024-11-07 23:11:14,054 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2272 transitions. Word has length 228 [2024-11-07 23:11:14,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:14,054 INFO L471 AbstractCegarLoop]: Abstraction has 1724 states and 2272 transitions. [2024-11-07 23:11:14,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 23:11:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2272 transitions. [2024-11-07 23:11:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-07 23:11:14,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:14,056 INFO L215 NwaCegarLoop]: trace histogram [16, 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] [2024-11-07 23:11:14,072 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 23:11:14,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:14,256 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:14,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1463467763, now seen corresponding path program 1 times [2024-11-07 23:11:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:14,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666793438] [2024-11-07 23:11:14,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:14,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:14,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:14,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:14,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:14,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:14,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:14,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:14,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666793438] [2024-11-07 23:11:14,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666793438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:14,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836735484] [2024-11-07 23:11:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:14,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:14,456 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 23:11:14,457 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 23:11:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:15,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:11:15,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:15,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:11:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 23:11:15,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836735484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:11:15,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:11:15,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 3] total 8 [2024-11-07 23:11:15,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467782393] [2024-11-07 23:11:15,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:11:15,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:11:15,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:15,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:11:15,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:11:15,285 INFO L87 Difference]: Start difference. First operand 1724 states and 2272 transitions. Second operand has 9 states, 8 states have (on average 68.75) internal successors, (550), 7 states have internal predecessors, (550), 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 23:11:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:15,790 INFO L93 Difference]: Finished difference Result 3490 states and 4641 transitions. [2024-11-07 23:11:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:11:15,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 68.75) internal successors, (550), 7 states have internal predecessors, (550), 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 229 [2024-11-07 23:11:15,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:15,797 INFO L225 Difference]: With dead ends: 3490 [2024-11-07 23:11:15,797 INFO L226 Difference]: Without dead ends: 3489 [2024-11-07 23:11:15,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:11:15,798 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 2328 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2352 SdHoareTripleChecker+Valid, 3096 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:15,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2352 Valid, 3096 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:11:15,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2024-11-07 23:11:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 2934. [2024-11-07 23:11:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2873 states have (on average 1.353637312913331) internal successors, (3889), 2881 states have internal predecessors, (3889), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 3951 transitions. [2024-11-07 23:11:15,877 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 3951 transitions. Word has length 229 [2024-11-07 23:11:15,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:15,878 INFO L471 AbstractCegarLoop]: Abstraction has 2934 states and 3951 transitions. [2024-11-07 23:11:15,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 68.75) internal successors, (550), 7 states have internal predecessors, (550), 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 23:11:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3951 transitions. [2024-11-07 23:11:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-07 23:11:15,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:15,879 INFO L215 NwaCegarLoop]: trace histogram [16, 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, 1] [2024-11-07 23:11:15,896 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 23:11:16,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:16,080 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:16,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:16,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1929007961, now seen corresponding path program 1 times [2024-11-07 23:11:16,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:16,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183049601] [2024-11-07 23:11:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:16,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:16,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-07 23:11:16,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:16,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183049601] [2024-11-07 23:11:16,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183049601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:16,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189457498] [2024-11-07 23:11:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:16,653 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 23:11:16,654 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 23:11:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:17,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:11:17,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:17,276 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 23:11:17,350 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 17 treesize of output 9 [2024-11-07 23:11:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-07 23:11:17,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:11:17,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189457498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:17,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:11:17,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 23:11:17,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100421199] [2024-11-07 23:11:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:17,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:11:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:17,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:11:17,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:11:17,358 INFO L87 Difference]: Start difference. First operand 2934 states and 3951 transitions. Second operand has 5 states, 4 states have (on average 48.25) internal successors, (193), 5 states have internal predecessors, (193), 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 23:11:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:17,486 INFO L93 Difference]: Finished difference Result 3176 states and 4266 transitions. [2024-11-07 23:11:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:11:17,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 48.25) internal successors, (193), 5 states have internal predecessors, (193), 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 229 [2024-11-07 23:11:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:17,491 INFO L225 Difference]: With dead ends: 3176 [2024-11-07 23:11:17,491 INFO L226 Difference]: Without dead ends: 3175 [2024-11-07 23:11:17,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:11:17,492 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 390 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:17,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1477 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:11:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2024-11-07 23:11:17,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2933. [2024-11-07 23:11:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2873 states have (on average 1.3525931082492169) internal successors, (3886), 2880 states have internal predecessors, (3886), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 3948 transitions. [2024-11-07 23:11:17,566 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 3948 transitions. Word has length 229 [2024-11-07 23:11:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:17,566 INFO L471 AbstractCegarLoop]: Abstraction has 2933 states and 3948 transitions. [2024-11-07 23:11:17,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 48.25) internal successors, (193), 5 states have internal predecessors, (193), 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 23:11:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 3948 transitions. [2024-11-07 23:11:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-07 23:11:17,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:17,568 INFO L215 NwaCegarLoop]: trace histogram [16, 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 23:11:17,585 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 23:11:17,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:17,769 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:17,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash -330294513, now seen corresponding path program 1 times [2024-11-07 23:11:17,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:17,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791991537] [2024-11-07 23:11:17,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:17,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:17,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:18,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:18,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:18,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-07 23:11:18,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:18,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791991537] [2024-11-07 23:11:18,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791991537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:18,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:11:18,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 23:11:18,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130820336] [2024-11-07 23:11:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:18,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:11:18,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:11:18,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:11:18,018 INFO L87 Difference]: Start difference. First operand 2933 states and 3948 transitions. Second operand has 7 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 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 23:11:18,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:18,385 INFO L93 Difference]: Finished difference Result 3175 states and 4263 transitions. [2024-11-07 23:11:18,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:11:18,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 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 230 [2024-11-07 23:11:18,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:18,391 INFO L225 Difference]: With dead ends: 3175 [2024-11-07 23:11:18,391 INFO L226 Difference]: Without dead ends: 3174 [2024-11-07 23:11:18,392 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 23:11:18,392 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 425 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:18,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 2806 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:11:18,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2024-11-07 23:11:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2932. [2024-11-07 23:11:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2873 states have (on average 1.3515489035851027) internal successors, (3883), 2879 states have internal predecessors, (3883), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3945 transitions. [2024-11-07 23:11:18,466 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3945 transitions. Word has length 230 [2024-11-07 23:11:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:18,466 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 3945 transitions. [2024-11-07 23:11:18,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 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 23:11:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3945 transitions. [2024-11-07 23:11:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-07 23:11:18,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:18,469 INFO L215 NwaCegarLoop]: trace histogram [16, 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, 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] [2024-11-07 23:11:18,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 23:11:18,469 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:18,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:18,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1629420244, now seen corresponding path program 1 times [2024-11-07 23:11:18,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:18,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622132870] [2024-11-07 23:11:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:18,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:19,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:19,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:19,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:11:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:19,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:11:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 68 proven. 143 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-07 23:11:19,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:19,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622132870] [2024-11-07 23:11:19,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622132870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:19,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631322086] [2024-11-07 23:11:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:19,721 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 23:11:19,722 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 23:11:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:20,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-07 23:11:20,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:20,496 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 23:11:20,788 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 19 treesize of output 11 [2024-11-07 23:11:20,813 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 23:11:20,835 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 23:11:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 59 proven. 36 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-07 23:11:21,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:11:23,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631322086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:23,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:11:23,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 30 [2024-11-07 23:11:23,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844485712] [2024-11-07 23:11:23,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 23:11:23,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 23:11:23,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:23,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 23:11:23,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1495, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 23:11:23,346 INFO L87 Difference]: Start difference. First operand 2932 states and 3945 transitions. Second operand has 30 states, 30 states have (on average 11.266666666666667) internal successors, (338), 28 states have internal predecessors, (338), 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 23:11:26,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:26,342 INFO L93 Difference]: Finished difference Result 6377 states and 8573 transitions. [2024-11-07 23:11:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 23:11:26,342 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 11.266666666666667) internal successors, (338), 28 states have internal predecessors, (338), 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 237 [2024-11-07 23:11:26,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:26,348 INFO L225 Difference]: With dead ends: 6377 [2024-11-07 23:11:26,348 INFO L226 Difference]: Without dead ends: 3583 [2024-11-07 23:11:26,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 337 SyntacticMatches, 8 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=490, Invalid=4912, Unknown=0, NotChecked=0, Total=5402 [2024-11-07 23:11:26,351 INFO L432 NwaCegarLoop]: 715 mSDtfsCounter, 804 mSDsluCounter, 7953 mSDsCounter, 0 mSdLazyCounter, 2400 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 8668 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:26,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 8668 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2400 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 23:11:26,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2024-11-07 23:11:26,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 2824. [2024-11-07 23:11:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2765 states have (on average 1.3443037974683545) internal successors, (3717), 2771 states have internal predecessors, (3717), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 3779 transitions. [2024-11-07 23:11:26,430 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 3779 transitions. Word has length 237 [2024-11-07 23:11:26,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:26,430 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 3779 transitions. [2024-11-07 23:11:26,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 11.266666666666667) internal successors, (338), 28 states have internal predecessors, (338), 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 23:11:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3779 transitions. [2024-11-07 23:11:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-07 23:11:26,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:26,432 INFO L215 NwaCegarLoop]: trace histogram [17, 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, 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, 1] [2024-11-07 23:11:26,450 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 23:11:26,632 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 23:11:26,633 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:26,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:26,633 INFO L85 PathProgramCache]: Analyzing trace with hash 6233201, now seen corresponding path program 1 times [2024-11-07 23:11:26,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:26,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954586707] [2024-11-07 23:11:26,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:26,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:26,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:26,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:11:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 23:11:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-07 23:11:26,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:26,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954586707] [2024-11-07 23:11:26,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954586707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:26,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:11:26,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:11:26,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888835978] [2024-11-07 23:11:26,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:26,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:11:26,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:26,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:11:26,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:11:26,825 INFO L87 Difference]: Start difference. First operand 2824 states and 3779 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 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 23:11:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:27,124 INFO L93 Difference]: Finished difference Result 5653 states and 7579 transitions. [2024-11-07 23:11:27,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:11:27,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 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 238 [2024-11-07 23:11:27,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:27,130 INFO L225 Difference]: With dead ends: 5653 [2024-11-07 23:11:27,130 INFO L226 Difference]: Without dead ends: 2860 [2024-11-07 23:11:27,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 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 23:11:27,132 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 38 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:27,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2002 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:11:27,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2024-11-07 23:11:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2860. [2024-11-07 23:11:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2801 states have (on average 1.3398786147804356) internal successors, (3753), 2807 states have internal predecessors, (3753), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 3815 transitions. [2024-11-07 23:11:27,206 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 3815 transitions. Word has length 238 [2024-11-07 23:11:27,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:27,207 INFO L471 AbstractCegarLoop]: Abstraction has 2860 states and 3815 transitions. [2024-11-07 23:11:27,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 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 23:11:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3815 transitions. [2024-11-07 23:11:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-07 23:11:27,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:27,208 INFO L215 NwaCegarLoop]: trace histogram [17, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:11:27,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 23:11:27,208 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:27,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:27,208 INFO L85 PathProgramCache]: Analyzing trace with hash 832936491, now seen corresponding path program 1 times [2024-11-07 23:11:27,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:27,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113581067] [2024-11-07 23:11:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:27,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:11:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 23:11:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-07 23:11:27,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:27,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113581067] [2024-11-07 23:11:27,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113581067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:11:27,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:11:27,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 23:11:27,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715493187] [2024-11-07 23:11:27,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:11:27,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:11:27,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:27,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:11:27,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:11:27,415 INFO L87 Difference]: Start difference. First operand 2860 states and 3815 transitions. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 4 states have internal predecessors, (192), 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 23:11:27,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:27,714 INFO L93 Difference]: Finished difference Result 5653 states and 7544 transitions. [2024-11-07 23:11:27,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:11:27,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 4 states have internal predecessors, (192), 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 238 [2024-11-07 23:11:27,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:27,719 INFO L225 Difference]: With dead ends: 5653 [2024-11-07 23:11:27,719 INFO L226 Difference]: Without dead ends: 2824 [2024-11-07 23:11:27,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 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 23:11:27,721 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 46 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 2469 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:27,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 2469 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:11:27,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2024-11-07 23:11:27,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2024-11-07 23:11:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2765 states have (on average 1.335623869801085) internal successors, (3693), 2771 states have internal predecessors, (3693), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 3755 transitions. [2024-11-07 23:11:27,798 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 3755 transitions. Word has length 238 [2024-11-07 23:11:27,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:27,798 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 3755 transitions. [2024-11-07 23:11:27,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 4 states have internal predecessors, (192), 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 23:11:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3755 transitions. [2024-11-07 23:11:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-07 23:11:27,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:27,799 INFO L215 NwaCegarLoop]: trace histogram [17, 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, 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] [2024-11-07 23:11:27,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 23:11:27,799 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:27,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash 425041451, now seen corresponding path program 1 times [2024-11-07 23:11:27,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:27,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896829254] [2024-11-07 23:11:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:27,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:28,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:28,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:11:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:28,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 23:11:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 71 proven. 161 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-07 23:11:28,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:28,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896829254] [2024-11-07 23:11:28,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896829254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:28,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774869131] [2024-11-07 23:11:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:28,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:28,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:28,832 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 23:11:28,832 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 23:11:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:29,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-07 23:11:29,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 74 proven. 153 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-07 23:11:30,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:11:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 154 proven. 15 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-07 23:11:30,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774869131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:11:30,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:11:30,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 10] total 42 [2024-11-07 23:11:30,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476944952] [2024-11-07 23:11:30,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:11:30,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-07 23:11:30,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:11:30,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-07 23:11:30,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1537, Unknown=0, NotChecked=0, Total=1722 [2024-11-07 23:11:30,356 INFO L87 Difference]: Start difference. First operand 2824 states and 3755 transitions. Second operand has 42 states, 42 states have (on average 5.690476190476191) internal successors, (239), 40 states have internal predecessors, (239), 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 23:11:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:11:33,516 INFO L93 Difference]: Finished difference Result 5583 states and 7463 transitions. [2024-11-07 23:11:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-07 23:11:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 5.690476190476191) internal successors, (239), 40 states have internal predecessors, (239), 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 241 [2024-11-07 23:11:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:11:33,521 INFO L225 Difference]: With dead ends: 5583 [2024-11-07 23:11:33,522 INFO L226 Difference]: Without dead ends: 2886 [2024-11-07 23:11:33,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1931 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1123, Invalid=7807, Unknown=0, NotChecked=0, Total=8930 [2024-11-07 23:11:33,525 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 166 mSDsluCounter, 15843 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 16385 SdHoareTripleChecker+Invalid, 2130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:11:33,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 16385 Invalid, 2130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2047 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 23:11:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-07 23:11:33,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2850. [2024-11-07 23:11:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2791 states have (on average 1.3357219634539592) internal successors, (3728), 2797 states have internal predecessors, (3728), 31 states have call successors, (31), 24 states have call predecessors, (31), 22 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 23:11:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3790 transitions. [2024-11-07 23:11:33,618 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3790 transitions. Word has length 241 [2024-11-07 23:11:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:11:33,618 INFO L471 AbstractCegarLoop]: Abstraction has 2850 states and 3790 transitions. [2024-11-07 23:11:33,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.690476190476191) internal successors, (239), 40 states have internal predecessors, (239), 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 23:11:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3790 transitions. [2024-11-07 23:11:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-07 23:11:33,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:11:33,620 INFO L215 NwaCegarLoop]: trace histogram [25, 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, 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] [2024-11-07 23:11:33,639 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 23:11:33,820 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,SelfDestructingSolverStorable37 [2024-11-07 23:11:33,820 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:11:33,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:11:33,820 INFO L85 PathProgramCache]: Analyzing trace with hash -768912099, now seen corresponding path program 2 times [2024-11-07 23:11:33,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:11:33,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862062310] [2024-11-07 23:11:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:11:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:11:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:11:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:11:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:11:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:35,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:11:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:11:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:11:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 71 proven. 278 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-07 23:11:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:11:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862062310] [2024-11-07 23:11:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862062310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:11:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502844566] [2024-11-07 23:11:35,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:11:35,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:11:35,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:11:35,161 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 23:11:35,162 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 23:11:35,901 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:11:35,901 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:11:35,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 23:11:35,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:35,913 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 23:11:36,216 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 3 [2024-11-07 23:11:36,316 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 23:11:36,378 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 23:11:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 5 proven. 93 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 23:11:36,410 INFO L311 TraceCheckSpWp]: Computing backward predicates...