./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d'] 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_BER_test6-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:04:19,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:04:19,242 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:04:19,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:04:19,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:04:19,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:04:19,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:04:19,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:04:19,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:04:19,285 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:04:19,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:04:19,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:04:19,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:04:19,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:04:19,287 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:04:19,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:04:19,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:04:19,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:04:19,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:04:19,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:04:19,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:04:19,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:04:19,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:04:19,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:04:19,290 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 -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2024-11-07 23:04:19,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:04:19,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:04:19,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:04:19,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:04:19,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:04:19,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-07 23:04:20,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:04:21,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:04:21,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-07 23:04:21,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9259aa3ed/c04a584356514fb3aa47ab5b5faa55a7/FLAG170ca5a0a [2024-11-07 23:04:21,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9259aa3ed/c04a584356514fb3aa47ab5b5faa55a7 [2024-11-07 23:04:21,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:04:21,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:04:21,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:04:21,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:04:21,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:04:21,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:21,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de949d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21, skipping insertion in model container [2024-11-07 23:04:21,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:21,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:04:21,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:04:21,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:04:21,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:04:21,921 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:04:21,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21 WrapperNode [2024-11-07 23:04:21,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:04:21,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:04:21,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:04:21,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:04:21,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:21,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,008 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1487 [2024-11-07 23:04:22,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:04:22,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:04:22,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:04:22,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:04:22,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,109 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2024-11-07 23:04:22,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:04:22,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:04:22,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:04:22,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:04:22,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (1/1) ... [2024-11-07 23:04:22,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:04:22,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:22,217 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 23:04:22,220 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 23:04:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:04:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:04:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:04:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:04:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:04:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:04:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 23:04:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:04:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-07 23:04:22,242 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-07 23:04:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:04:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:04:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:04:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 23:04:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:04:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:04:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:04:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:04:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:04:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 23:04:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:04:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:04:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-07 23:04:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-07 23:04:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:04:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:04:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-07 23:04:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 23:04:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:04:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:04:22,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:04:22,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:04:23,822 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-07 23:04:23,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:04:23,845 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:04:23,847 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-07 23:04:23,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:04:23 BoogieIcfgContainer [2024-11-07 23:04:23,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:04:23,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:04:23,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:04:23,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:04:23,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:04:21" (1/3) ... [2024-11-07 23:04:23,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec69b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:04:23, skipping insertion in model container [2024-11-07 23:04:23,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:21" (2/3) ... [2024-11-07 23:04:23,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec69b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:04:23, skipping insertion in model container [2024-11-07 23:04:23,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:04:23" (3/3) ... [2024-11-07 23:04:23,856 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i [2024-11-07 23:04:23,868 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:04:23,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-07 23:04:23,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:04:23,928 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;@a1e4977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:04:23,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-07 23:04:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 462 states, 425 states have (on average 1.6070588235294119) internal successors, (683), 442 states have internal predecessors, (683), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 23:04:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:04:23,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:23,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:04:23,940 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 23:04:23,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:23,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1635847084, now seen corresponding path program 1 times [2024-11-07 23:04:23,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:23,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078851010] [2024-11-07 23:04:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:23,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:24,106 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 23:04:24,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:24,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078851010] [2024-11-07 23:04:24,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078851010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:24,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:24,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:04:24,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29577733] [2024-11-07 23:04:24,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:24,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:04:24,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:24,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:04:24,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:04:24,134 INFO L87 Difference]: Start difference. First operand has 462 states, 425 states have (on average 1.6070588235294119) internal successors, (683), 442 states have internal predecessors, (683), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:24,207 INFO L93 Difference]: Finished difference Result 917 states and 1441 transitions. [2024-11-07 23:04:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:04:24,209 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 23:04:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:24,219 INFO L225 Difference]: With dead ends: 917 [2024-11-07 23:04:24,219 INFO L226 Difference]: Without dead ends: 443 [2024-11-07 23:04:24,224 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 23:04:24,226 INFO L432 NwaCegarLoop]: 641 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:24,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:04:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-07 23:04:24,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-07 23:04:24,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 415 states have (on average 1.4481927710843374) internal successors, (601), 429 states have internal predecessors, (601), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:04:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 621 transitions. [2024-11-07 23:04:24,285 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 621 transitions. Word has length 8 [2024-11-07 23:04:24,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:24,285 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 621 transitions. [2024-11-07 23:04:24,285 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 23:04:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 621 transitions. [2024-11-07 23:04:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:04:24,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:24,286 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:04:24,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:04:24,287 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 23:04:24,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:24,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1635849006, now seen corresponding path program 1 times [2024-11-07 23:04:24,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:24,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169540520] [2024-11-07 23:04:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:04:24,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828295874] [2024-11-07 23:04:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:24,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:24,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:24,352 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 23:04:24,354 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 23:04:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:24,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:04:24,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:24,575 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 23:04:24,603 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 23:04:24,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:24,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:24,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169540520] [2024-11-07 23:04:24,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:04:24,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828295874] [2024-11-07 23:04:24,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828295874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:24,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:24,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:04:24,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640839437] [2024-11-07 23:04:24,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:24,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:04:24,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:24,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:04:24,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:04:24,606 INFO L87 Difference]: Start difference. First operand 443 states and 621 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:24,788 INFO L93 Difference]: Finished difference Result 852 states and 1209 transitions. [2024-11-07 23:04:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:04:24,788 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 23:04:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:24,793 INFO L225 Difference]: With dead ends: 852 [2024-11-07 23:04:24,794 INFO L226 Difference]: Without dead ends: 850 [2024-11-07 23:04:24,795 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 23:04:24,798 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 562 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:24,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1780 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-07 23:04:24,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 450. [2024-11-07 23:04:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4431279620853081) internal successors, (609), 436 states have internal predecessors, (609), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:04:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2024-11-07 23:04:24,838 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 8 [2024-11-07 23:04:24,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:24,838 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2024-11-07 23:04:24,839 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 23:04:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2024-11-07 23:04:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:04:24,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:24,840 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 23:04:24,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 23:04:25,046 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 23:04:25,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:04:25,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:25,048 INFO L85 PathProgramCache]: Analyzing trace with hash 185472285, now seen corresponding path program 1 times [2024-11-07 23:04:25,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:25,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349431402] [2024-11-07 23:04:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:25,398 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 23:04:25,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:25,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349431402] [2024-11-07 23:04:25,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349431402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:25,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:25,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:04:25,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294169562] [2024-11-07 23:04:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:25,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:04:25,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:25,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:04:25,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:04:25,400 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:25,490 INFO L93 Difference]: Finished difference Result 894 states and 1251 transitions. [2024-11-07 23:04:25,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:04:25,490 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 23:04:25,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:25,492 INFO L225 Difference]: With dead ends: 894 [2024-11-07 23:04:25,494 INFO L226 Difference]: Without dead ends: 453 [2024-11-07 23:04:25,495 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 23:04:25,495 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 105 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:25,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1686 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-07 23:04:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-07 23:04:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4265402843601895) internal successors, (602), 436 states have internal predecessors, (602), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:04:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 622 transitions. [2024-11-07 23:04:25,510 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 622 transitions. Word has length 64 [2024-11-07 23:04:25,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:25,511 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 622 transitions. [2024-11-07 23:04:25,511 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 23:04:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2024-11-07 23:04:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:04:25,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:25,513 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 23:04:25,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:04:25,513 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 23:04:25,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:25,514 INFO L85 PathProgramCache]: Analyzing trace with hash -878727663, now seen corresponding path program 1 times [2024-11-07 23:04:25,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:25,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054916496] [2024-11-07 23:04:25,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:25,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:25,849 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 23:04:25,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:25,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054916496] [2024-11-07 23:04:25,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054916496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:25,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:25,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:04:25,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646407818] [2024-11-07 23:04:25,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:25,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:04:25,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:25,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:04:25,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:04:25,850 INFO L87 Difference]: Start difference. First operand 450 states and 622 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:25,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:25,914 INFO L93 Difference]: Finished difference Result 820 states and 1146 transitions. [2024-11-07 23:04:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:04:25,914 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 23:04:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:25,921 INFO L225 Difference]: With dead ends: 820 [2024-11-07 23:04:25,921 INFO L226 Difference]: Without dead ends: 816 [2024-11-07 23:04:25,921 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 23:04:25,922 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 456 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:25,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1820 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:04:25,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-07 23:04:25,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 808. [2024-11-07 23:04:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 777 states have (on average 1.4362934362934363) internal successors, (1116), 792 states have internal predecessors, (1116), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:04:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1142 transitions. [2024-11-07 23:04:25,952 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1142 transitions. Word has length 64 [2024-11-07 23:04:25,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:25,953 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1142 transitions. [2024-11-07 23:04:25,954 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 23:04:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1142 transitions. [2024-11-07 23:04:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 23:04:25,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:25,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:04:25,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:04:25,959 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:04:25,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:25,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1138317444, now seen corresponding path program 1 times [2024-11-07 23:04:25,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:25,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030388699] [2024-11-07 23:04:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:26,201 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 23:04:26,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:26,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030388699] [2024-11-07 23:04:26,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030388699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:26,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:26,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:04:26,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125648515] [2024-11-07 23:04:26,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:26,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:04:26,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:26,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:04:26,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:04:26,204 INFO L87 Difference]: Start difference. First operand 808 states and 1142 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:26,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:26,350 INFO L93 Difference]: Finished difference Result 1821 states and 2600 transitions. [2024-11-07 23:04:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:04:26,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-07 23:04:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:26,363 INFO L225 Difference]: With dead ends: 1821 [2024-11-07 23:04:26,364 INFO L226 Difference]: Without dead ends: 1421 [2024-11-07 23:04:26,365 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 23:04:26,366 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 557 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:26,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1848 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:26,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-07 23:04:26,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 808. [2024-11-07 23:04:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 777 states have (on average 1.435006435006435) internal successors, (1115), 792 states have internal predecessors, (1115), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:04:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1141 transitions. [2024-11-07 23:04:26,409 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1141 transitions. Word has length 70 [2024-11-07 23:04:26,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:26,410 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1141 transitions. [2024-11-07 23:04:26,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1141 transitions. [2024-11-07 23:04:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 23:04:26,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:26,411 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 23:04:26,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:04:26,411 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 23:04:26,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:26,412 INFO L85 PathProgramCache]: Analyzing trace with hash -238535306, now seen corresponding path program 1 times [2024-11-07 23:04:26,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:26,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166125007] [2024-11-07 23:04:26,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:26,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:26,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:26,659 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 23:04:26,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:26,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166125007] [2024-11-07 23:04:26,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166125007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:26,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:26,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:04:26,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795634738] [2024-11-07 23:04:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:26,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:04:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:04:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:04:26,662 INFO L87 Difference]: Start difference. First operand 808 states and 1141 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:04:26,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:26,818 INFO L93 Difference]: Finished difference Result 1038 states and 1455 transitions. [2024-11-07 23:04:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:04:26,818 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 23:04:26,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:26,823 INFO L225 Difference]: With dead ends: 1038 [2024-11-07 23:04:26,823 INFO L226 Difference]: Without dead ends: 1036 [2024-11-07 23:04:26,824 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 23:04:26,824 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 513 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:26,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1752 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:26,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-07 23:04:26,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1026. [2024-11-07 23:04:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 987 states have (on average 1.4356636271529888) internal successors, (1417), 1003 states have internal predecessors, (1417), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 23:04:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1453 transitions. [2024-11-07 23:04:26,862 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1453 transitions. Word has length 74 [2024-11-07 23:04:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:26,863 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1453 transitions. [2024-11-07 23:04:26,863 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 23:04:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1453 transitions. [2024-11-07 23:04:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 23:04:26,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:26,865 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 23:04:26,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:04:26,865 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 23:04:26,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -676007271, now seen corresponding path program 1 times [2024-11-07 23:04:26,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:26,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155962865] [2024-11-07 23:04:26,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:26,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:27,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:27,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:04:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:27,341 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 23:04:27,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155962865] [2024-11-07 23:04:27,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155962865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:27,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681164304] [2024-11-07 23:04:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:27,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:27,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:27,345 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 23:04:27,346 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 23:04:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:27,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:04:27,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:27,715 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 23:04:27,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:27,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681164304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:27,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:27,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 23:04:27,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188562790] [2024-11-07 23:04:27,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:27,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:04:27,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:27,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:04:27,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:04:27,717 INFO L87 Difference]: Start difference. First operand 1026 states and 1453 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 23:04:27,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:27,799 INFO L93 Difference]: Finished difference Result 1394 states and 1975 transitions. [2024-11-07 23:04:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:04:27,799 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 23:04:27,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:27,805 INFO L225 Difference]: With dead ends: 1394 [2024-11-07 23:04:27,806 INFO L226 Difference]: Without dead ends: 1393 [2024-11-07 23:04:27,806 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 23:04:27,807 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 579 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:27,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 2344 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:04:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-07 23:04:27,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1189. [2024-11-07 23:04:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1148 states have (on average 1.4355400696864111) internal successors, (1648), 1165 states have internal predecessors, (1648), 20 states have call successors, (20), 10 states have call predecessors, (20), 7 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 23:04:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1688 transitions. [2024-11-07 23:04:27,850 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1688 transitions. Word has length 83 [2024-11-07 23:04:27,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:27,851 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1688 transitions. [2024-11-07 23:04:27,851 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 23:04:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1688 transitions. [2024-11-07 23:04:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 23:04:27,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:27,852 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 23:04:27,870 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 23:04:28,053 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 23:04:28,054 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 23:04:28,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:28,055 INFO L85 PathProgramCache]: Analyzing trace with hash 518611120, now seen corresponding path program 1 times [2024-11-07 23:04:28,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:28,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884255019] [2024-11-07 23:04:28,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:28,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:04:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:28,468 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 23:04:28,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:28,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884255019] [2024-11-07 23:04:28,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884255019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:28,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969803878] [2024-11-07 23:04:28,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:28,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:28,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:28,471 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 23:04:28,473 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 23:04:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:28,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:04:28,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:28,908 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 23:04:28,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:04:29,157 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 23:04:29,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969803878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:04:29,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:04:29,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-07 23:04:29,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795624188] [2024-11-07 23:04:29,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:04:29,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 23:04:29,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 23:04:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:04:29,160 INFO L87 Difference]: Start difference. First operand 1189 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 23:04:30,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:30,863 INFO L93 Difference]: Finished difference Result 3238 states and 4588 transitions. [2024-11-07 23:04:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 23:04:30,863 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 23:04:30,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:30,877 INFO L225 Difference]: With dead ends: 3238 [2024-11-07 23:04:30,877 INFO L226 Difference]: Without dead ends: 3236 [2024-11-07 23:04:30,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2024-11-07 23:04:30,880 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 6424 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6434 SdHoareTripleChecker+Valid, 7085 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:30,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6434 Valid, 7085 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 23:04:30,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2024-11-07 23:04:30,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 2747. [2024-11-07 23:04:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 2659 states have (on average 1.4287326062429484) internal successors, (3799), 2678 states have internal predecessors, (3799), 56 states have call successors, (56), 23 states have call predecessors, (56), 18 states have return successors, (79), 45 states have call predecessors, (79), 56 states have call successors, (79) [2024-11-07 23:04:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3934 transitions. [2024-11-07 23:04:30,977 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3934 transitions. Word has length 84 [2024-11-07 23:04:30,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:30,978 INFO L471 AbstractCegarLoop]: Abstraction has 2747 states and 3934 transitions. [2024-11-07 23:04:30,978 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 23:04:30,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3934 transitions. [2024-11-07 23:04:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:04:30,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:30,979 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 23:04:30,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 23:04:31,180 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 23:04:31,180 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 23:04:31,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:31,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1558756002, now seen corresponding path program 1 times [2024-11-07 23:04:31,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:31,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137539932] [2024-11-07 23:04:31,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:31,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:31,316 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 23:04:31,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:31,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137539932] [2024-11-07 23:04:31,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137539932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:31,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:31,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:04:31,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101038212] [2024-11-07 23:04:31,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:31,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:04:31,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:31,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:04:31,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:04:31,318 INFO L87 Difference]: Start difference. First operand 2747 states and 3934 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:04:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:31,459 INFO L93 Difference]: Finished difference Result 5553 states and 7970 transitions. [2024-11-07 23:04:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:04:31,461 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 23:04:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:31,475 INFO L225 Difference]: With dead ends: 5553 [2024-11-07 23:04:31,475 INFO L226 Difference]: Without dead ends: 2815 [2024-11-07 23:04:31,482 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 23:04:31,483 INFO L432 NwaCegarLoop]: 798 mSDtfsCounter, 374 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:31,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1387 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:31,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2024-11-07 23:04:31,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2804. [2024-11-07 23:04:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2723 states have (on average 1.4348145427836945) internal successors, (3907), 2741 states have internal predecessors, (3907), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-07 23:04:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4029 transitions. [2024-11-07 23:04:31,566 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4029 transitions. Word has length 82 [2024-11-07 23:04:31,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:31,567 INFO L471 AbstractCegarLoop]: Abstraction has 2804 states and 4029 transitions. [2024-11-07 23:04:31,567 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 23:04:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4029 transitions. [2024-11-07 23:04:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 23:04:31,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:31,568 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 23:04:31,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:04:31,568 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 23:04:31,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:31,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2014395234, now seen corresponding path program 1 times [2024-11-07 23:04:31,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:31,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801029703] [2024-11-07 23:04:31,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:31,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:31,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:04:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:31,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:04:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:31,946 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 23:04:31,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:31,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801029703] [2024-11-07 23:04:31,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801029703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:31,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285535700] [2024-11-07 23:04:31,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:31,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:31,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:31,950 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 23:04:31,952 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 23:04:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:32,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:04:32,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:32,401 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 23:04:32,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:04:32,614 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 23:04:32,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285535700] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:32,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:04:32,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-07 23:04:32,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144912696] [2024-11-07 23:04:32,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:32,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:04:32,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:32,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:04:32,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:04:32,617 INFO L87 Difference]: Start difference. First operand 2804 states and 4029 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 23:04:32,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:32,705 INFO L93 Difference]: Finished difference Result 2804 states and 4029 transitions. [2024-11-07 23:04:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:04:32,707 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 23:04:32,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:32,722 INFO L225 Difference]: With dead ends: 2804 [2024-11-07 23:04:32,722 INFO L226 Difference]: Without dead ends: 2803 [2024-11-07 23:04:32,723 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 23:04:32,724 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 1188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:32,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 610 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:04:32,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-07 23:04:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2024-11-07 23:04:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2723 states have (on average 1.4329783327212633) internal successors, (3902), 2740 states have internal predecessors, (3902), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-07 23:04:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 4024 transitions. [2024-11-07 23:04:32,810 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 4024 transitions. Word has length 93 [2024-11-07 23:04:32,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:32,811 INFO L471 AbstractCegarLoop]: Abstraction has 2803 states and 4024 transitions. [2024-11-07 23:04:32,811 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 23:04:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 4024 transitions. [2024-11-07 23:04:32,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 23:04:32,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:32,812 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 23:04:32,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 23:04:33,012 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 23:04:33,013 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 23:04:33,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:33,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1978257255, now seen corresponding path program 1 times [2024-11-07 23:04:33,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:33,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885624590] [2024-11-07 23:04:33,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:33,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:33,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:33,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:04:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:33,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:04:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:33,334 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 23:04:33,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:33,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885624590] [2024-11-07 23:04:33,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885624590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:33,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251528959] [2024-11-07 23:04:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:33,337 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 23:04:33,339 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 23:04:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:33,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:04:33,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:33,759 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 23:04:33,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:04:33,951 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 23:04:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251528959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:04:33,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:04:33,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-07 23:04:33,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886407273] [2024-11-07 23:04:33,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:04:33,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:04:33,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:33,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:04:33,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:04:33,955 INFO L87 Difference]: Start difference. First operand 2803 states and 4024 transitions. Second operand has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-07 23:04:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:34,705 INFO L93 Difference]: Finished difference Result 5398 states and 7716 transitions. [2024-11-07 23:04:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:04:34,706 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 23:04:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:34,726 INFO L225 Difference]: With dead ends: 5398 [2024-11-07 23:04:34,726 INFO L226 Difference]: Without dead ends: 5397 [2024-11-07 23:04:34,727 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 23:04:34,727 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 2153 mSDsluCounter, 3913 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:34,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 4487 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:04:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2024-11-07 23:04:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5014. [2024-11-07 23:04:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5014 states, 4858 states have (on average 1.4275421984355703) internal successors, (6935), 4878 states have internal predecessors, (6935), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137) [2024-11-07 23:04:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 7171 transitions. [2024-11-07 23:04:34,917 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 7171 transitions. Word has length 94 [2024-11-07 23:04:34,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:34,918 INFO L471 AbstractCegarLoop]: Abstraction has 5014 states and 7171 transitions. [2024-11-07 23:04:34,918 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 23:04:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 7171 transitions. [2024-11-07 23:04:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 23:04:34,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:34,922 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 23:04:34,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 23:04:35,122 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 23:04:35,123 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 23:04:35,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:35,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1276458826, now seen corresponding path program 1 times [2024-11-07 23:04:35,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:35,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936115394] [2024-11-07 23:04:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:04:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:04:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:04:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:35,501 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 23:04:35,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:35,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936115394] [2024-11-07 23:04:35,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936115394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:35,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:04:35,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280385516] [2024-11-07 23:04:35,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:35,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:04:35,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:35,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:04:35,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:04:35,503 INFO L87 Difference]: Start difference. First operand 5014 states and 7171 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:04:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:36,054 INFO L93 Difference]: Finished difference Result 6550 states and 9380 transitions. [2024-11-07 23:04:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:04:36,055 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 23:04:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:36,092 INFO L225 Difference]: With dead ends: 6550 [2024-11-07 23:04:36,093 INFO L226 Difference]: Without dead ends: 6548 [2024-11-07 23:04:36,095 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 23:04:36,095 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 512 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:36,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2666 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:04:36,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2024-11-07 23:04:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 5182. [2024-11-07 23:04:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5017 states have (on average 1.4217659956149094) internal successors, (7133), 5038 states have internal predecessors, (7133), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149) [2024-11-07 23:04:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 7390 transitions. [2024-11-07 23:04:36,264 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 7390 transitions. Word has length 120 [2024-11-07 23:04:36,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:36,264 INFO L471 AbstractCegarLoop]: Abstraction has 5182 states and 7390 transitions. [2024-11-07 23:04:36,264 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 23:04:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 7390 transitions. [2024-11-07 23:04:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-07 23:04:36,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:36,267 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 23:04:36,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:04:36,267 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 23:04:36,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:36,268 INFO L85 PathProgramCache]: Analyzing trace with hash -543684962, now seen corresponding path program 1 times [2024-11-07 23:04:36,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:36,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957890905] [2024-11-07 23:04:36,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:36,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:04:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:04:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:36,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:04:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:36,658 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 23:04:36,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:36,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957890905] [2024-11-07 23:04:36,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957890905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:36,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826264309] [2024-11-07 23:04:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:36,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:36,661 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 23:04:36,664 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 23:04:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:37,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 23:04:37,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:37,177 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 23:04:37,178 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826264309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:37,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:37,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-07 23:04:37,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166218408] [2024-11-07 23:04:37,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:37,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:04:37,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:37,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:04:37,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:04:37,181 INFO L87 Difference]: Start difference. First operand 5182 states and 7390 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:04:37,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:37,449 INFO L93 Difference]: Finished difference Result 9710 states and 13884 transitions. [2024-11-07 23:04:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:04:37,452 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 23:04:37,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:37,470 INFO L225 Difference]: With dead ends: 9710 [2024-11-07 23:04:37,471 INFO L226 Difference]: Without dead ends: 4932 [2024-11-07 23:04:37,479 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 23:04:37,480 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 161 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:37,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 2893 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2024-11-07 23:04:37,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2024-11-07 23:04:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4932 states, 4784 states have (on average 1.425376254180602) internal successors, (6819), 4803 states have internal predecessors, (6819), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 7048 transitions. [2024-11-07 23:04:37,611 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 7048 transitions. Word has length 127 [2024-11-07 23:04:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:37,611 INFO L471 AbstractCegarLoop]: Abstraction has 4932 states and 7048 transitions. [2024-11-07 23:04:37,612 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 23:04:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 7048 transitions. [2024-11-07 23:04:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 23:04:37,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:37,613 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 23:04:37,632 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 23:04:37,814 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 23:04:37,814 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 23:04:37,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1097892489, now seen corresponding path program 1 times [2024-11-07 23:04:37,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:37,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158661762] [2024-11-07 23:04:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:37,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:04:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 23:04:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 23:04:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:04:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,286 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 23:04:38,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158661762] [2024-11-07 23:04:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158661762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274358785] [2024-11-07 23:04:38,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:38,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:38,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:38,289 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 23:04:38,292 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 23:04:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:38,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 23:04:38,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:38,938 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 23:04:38,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:38,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274358785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:38,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:38,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:04:38,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895795957] [2024-11-07 23:04:38,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:38,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:04:38,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:38,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:04:38,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:04:38,941 INFO L87 Difference]: Start difference. First operand 4932 states and 7048 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:04:42,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 23:04:42,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:42,492 INFO L93 Difference]: Finished difference Result 10282 states and 14661 transitions. [2024-11-07 23:04:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:04:42,493 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 23:04:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:42,507 INFO L225 Difference]: With dead ends: 10282 [2024-11-07 23:04:42,507 INFO L226 Difference]: Without dead ends: 5439 [2024-11-07 23:04:42,515 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 23:04:42,516 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 15 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:42,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2882 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 23:04:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2024-11-07 23:04:42,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5387. [2024-11-07 23:04:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5239 states have (on average 1.4082840236686391) internal successors, (7378), 5258 states have internal predecessors, (7378), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7607 transitions. [2024-11-07 23:04:42,650 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7607 transitions. Word has length 132 [2024-11-07 23:04:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:42,651 INFO L471 AbstractCegarLoop]: Abstraction has 5387 states and 7607 transitions. [2024-11-07 23:04:42,651 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 23:04:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7607 transitions. [2024-11-07 23:04:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 23:04:42,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:42,653 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 23:04:42,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 23:04:42,853 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 23:04:42,854 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 23:04:42,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:42,854 INFO L85 PathProgramCache]: Analyzing trace with hash 879671620, now seen corresponding path program 1 times [2024-11-07 23:04:42,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:42,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826742016] [2024-11-07 23:04:42,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:42,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:04:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 23:04:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 23:04:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:43,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 23:04:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:43,236 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 23:04:43,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:43,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826742016] [2024-11-07 23:04:43,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826742016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:43,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:43,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:04:43,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865951092] [2024-11-07 23:04:43,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:43,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:04:43,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:43,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:04:43,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:04:43,238 INFO L87 Difference]: Start difference. First operand 5387 states and 7607 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:44,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:44,212 INFO L93 Difference]: Finished difference Result 10744 states and 15200 transitions. [2024-11-07 23:04:44,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:04:44,212 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 23:04:44,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:44,226 INFO L225 Difference]: With dead ends: 10744 [2024-11-07 23:04:44,226 INFO L226 Difference]: Without dead ends: 5491 [2024-11-07 23:04:44,234 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 23:04:44,235 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 57 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:44,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3741 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 23:04:44,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5491 states. [2024-11-07 23:04:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5491 to 5439. [2024-11-07 23:04:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5291 states have (on average 1.4091854091854092) internal successors, (7456), 5310 states have internal predecessors, (7456), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7685 transitions. [2024-11-07 23:04:44,359 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7685 transitions. Word has length 133 [2024-11-07 23:04:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:44,360 INFO L471 AbstractCegarLoop]: Abstraction has 5439 states and 7685 transitions. [2024-11-07 23:04:44,361 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 23:04:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7685 transitions. [2024-11-07 23:04:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 23:04:44,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:44,362 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 23:04:44,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 23:04:44,363 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 23:04:44,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash -721549227, now seen corresponding path program 1 times [2024-11-07 23:04:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:44,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993323610] [2024-11-07 23:04:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:44,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:44,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:04:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 23:04:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:44,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 23:04:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 23:04:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:44,978 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 23:04:44,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:44,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993323610] [2024-11-07 23:04:44,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993323610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:44,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:44,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:04:44,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531371625] [2024-11-07 23:04:44,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:44,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:04:44,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:44,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:04:44,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:04:44,981 INFO L87 Difference]: Start difference. First operand 5439 states and 7685 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:46,315 INFO L93 Difference]: Finished difference Result 11031 states and 15603 transitions. [2024-11-07 23:04:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:04:46,316 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 23:04:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:46,330 INFO L225 Difference]: With dead ends: 11031 [2024-11-07 23:04:46,330 INFO L226 Difference]: Without dead ends: 5725 [2024-11-07 23:04:46,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:04:46,339 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 79 mSDsluCounter, 4144 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 4706 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:46,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 4706 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 23:04:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5725 states. [2024-11-07 23:04:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5725 to 5595. [2024-11-07 23:04:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5447 states have (on average 1.4093996695428677) internal successors, (7677), 5466 states have internal predecessors, (7677), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7906 transitions. [2024-11-07 23:04:46,455 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7906 transitions. Word has length 134 [2024-11-07 23:04:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:46,455 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7906 transitions. [2024-11-07 23:04:46,455 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 23:04:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7906 transitions. [2024-11-07 23:04:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 23:04:46,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:46,457 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 23:04:46,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:04:46,458 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 23:04:46,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:46,458 INFO L85 PathProgramCache]: Analyzing trace with hash 495986798, now seen corresponding path program 1 times [2024-11-07 23:04:46,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:46,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643312650] [2024-11-07 23:04:46,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:46,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:04:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:46,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 23:04:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:46,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 23:04:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 23:04:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:46,941 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 23:04:46,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:46,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643312650] [2024-11-07 23:04:46,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643312650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:46,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469850915] [2024-11-07 23:04:46,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:46,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:46,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:46,944 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 23:04:46,946 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 23:04:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:47,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 23:04:47,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:47,380 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 23:04:47,400 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 23:04:47,421 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 23:04:48,182 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 23:04:48,183 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:48,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469850915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:48,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:48,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-07 23:04:48,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765995929] [2024-11-07 23:04:48,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:48,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:04:48,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:48,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:04:48,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:04:48,185 INFO L87 Difference]: Start difference. First operand 5595 states and 7906 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:04:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:49,573 INFO L93 Difference]: Finished difference Result 12432 states and 17619 transitions. [2024-11-07 23:04:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:04:49,574 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 23:04:49,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:49,596 INFO L225 Difference]: With dead ends: 12432 [2024-11-07 23:04:49,596 INFO L226 Difference]: Without dead ends: 6969 [2024-11-07 23:04:49,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-07 23:04:49,606 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 831 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 3049 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:49,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 3049 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 23:04:49,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2024-11-07 23:04:49,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 5583. [2024-11-07 23:04:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5435 states have (on average 1.4091996320147193) internal successors, (7659), 5454 states have internal predecessors, (7659), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 7888 transitions. [2024-11-07 23:04:49,776 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 7888 transitions. Word has length 134 [2024-11-07 23:04:49,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:49,776 INFO L471 AbstractCegarLoop]: Abstraction has 5583 states and 7888 transitions. [2024-11-07 23:04:49,776 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 23:04:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 7888 transitions. [2024-11-07 23:04:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 23:04:49,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:49,778 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 23:04:49,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 23:04:49,979 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 23:04:49,979 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 23:04:49,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash -154304966, now seen corresponding path program 1 times [2024-11-07 23:04:49,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:49,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989241296] [2024-11-07 23:04:49,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:50,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 23:04:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:50,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:04:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 23:04:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 23:04:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:50,449 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 23:04:50,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:50,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989241296] [2024-11-07 23:04:50,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989241296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:50,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:50,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:04:50,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015632124] [2024-11-07 23:04:50,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:50,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:04:50,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:50,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:04:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:04:50,451 INFO L87 Difference]: Start difference. First operand 5583 states and 7888 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:51,548 INFO L93 Difference]: Finished difference Result 11282 states and 15937 transitions. [2024-11-07 23:04:51,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:04:51,549 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 23:04:51,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:51,565 INFO L225 Difference]: With dead ends: 11282 [2024-11-07 23:04:51,566 INFO L226 Difference]: Without dead ends: 5830 [2024-11-07 23:04:51,574 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 23:04:51,575 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 64 mSDsluCounter, 4148 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4710 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:51,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4710 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 23:04:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2024-11-07 23:04:51,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5665. [2024-11-07 23:04:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 5517 states have (on average 1.4080116005075223) internal successors, (7768), 5536 states have internal predecessors, (7768), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 7997 transitions. [2024-11-07 23:04:51,771 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 7997 transitions. Word has length 136 [2024-11-07 23:04:51,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:51,773 INFO L471 AbstractCegarLoop]: Abstraction has 5665 states and 7997 transitions. [2024-11-07 23:04:51,773 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 23:04:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 7997 transitions. [2024-11-07 23:04:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:04:51,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:51,775 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 23:04:51,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:04:51,775 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 23:04:51,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:51,776 INFO L85 PathProgramCache]: Analyzing trace with hash 477153959, now seen corresponding path program 1 times [2024-11-07 23:04:51,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:51,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503636396] [2024-11-07 23:04:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:51,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:04:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:04:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:04:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:04:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,203 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 23:04:52,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:52,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503636396] [2024-11-07 23:04:52,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503636396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:52,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606159663] [2024-11-07 23:04:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:52,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:52,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:52,206 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 23:04:52,208 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 23:04:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:52,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 23:04:52,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:52,765 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 23:04:52,765 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:52,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606159663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:52,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:52,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:04:52,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356573822] [2024-11-07 23:04:52,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:52,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:04:52,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:52,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:04:52,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:04:52,769 INFO L87 Difference]: Start difference. First operand 5665 states and 7997 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:04:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:53,219 INFO L93 Difference]: Finished difference Result 11359 states and 16058 transitions. [2024-11-07 23:04:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:04:53,220 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 23:04:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:53,236 INFO L225 Difference]: With dead ends: 11359 [2024-11-07 23:04:53,236 INFO L226 Difference]: Without dead ends: 5847 [2024-11-07 23:04:53,244 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 23:04:53,245 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 40 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:53,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3028 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:04:53,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2024-11-07 23:04:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5756. [2024-11-07 23:04:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5756 states, 5608 states have (on average 1.408345221112696) internal successors, (7898), 5627 states have internal predecessors, (7898), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-07 23:04:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 8127 transitions. [2024-11-07 23:04:53,390 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 8127 transitions. Word has length 137 [2024-11-07 23:04:53,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:53,390 INFO L471 AbstractCegarLoop]: Abstraction has 5756 states and 8127 transitions. [2024-11-07 23:04:53,390 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 23:04:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 8127 transitions. [2024-11-07 23:04:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:04:53,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:53,392 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 23:04:53,412 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 23:04:53,596 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 23:04:53,597 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 23:04:53,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:53,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1694689984, now seen corresponding path program 1 times [2024-11-07 23:04:53,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:53,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024910454] [2024-11-07 23:04:53,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:04:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:53,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:04:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:04:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:54,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:04:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:54,029 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 23:04:54,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024910454] [2024-11-07 23:04:54,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024910454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934156120] [2024-11-07 23:04:54,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:54,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:54,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:54,032 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 23:04:54,034 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 23:04:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:54,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 23:04:54,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:54,650 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 23:04:54,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:54,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934156120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:54,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:54,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-07 23:04:54,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840554299] [2024-11-07 23:04:54,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:54,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:04:54,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:54,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:04:54,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:04:54,652 INFO L87 Difference]: Start difference. First operand 5756 states and 8127 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 23:04:54,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:54,872 INFO L93 Difference]: Finished difference Result 9040 states and 12754 transitions. [2024-11-07 23:04:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:04:54,873 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 23:04:54,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:54,887 INFO L225 Difference]: With dead ends: 9040 [2024-11-07 23:04:54,887 INFO L226 Difference]: Without dead ends: 3467 [2024-11-07 23:04:54,895 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 23:04:54,896 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 13 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4800 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:54,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4800 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:04:54,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2024-11-07 23:04:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3465. [2024-11-07 23:04:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4064823074635742) internal successors, (4730), 3379 states have internal predecessors, (4730), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:04:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4849 transitions. [2024-11-07 23:04:55,006 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4849 transitions. Word has length 137 [2024-11-07 23:04:55,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:55,007 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4849 transitions. [2024-11-07 23:04:55,007 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 23:04:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4849 transitions. [2024-11-07 23:04:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:04:55,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:55,009 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 23:04:55,029 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 23:04:55,209 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 23:04:55,210 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 23:04:55,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:55,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1517491482, now seen corresponding path program 1 times [2024-11-07 23:04:55,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:55,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175876484] [2024-11-07 23:04:55,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:55,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:04:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:55,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:55,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:04:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:55,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:04:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:55,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:04:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:55,708 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 23:04:55,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:55,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175876484] [2024-11-07 23:04:55,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175876484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:04:55,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232038101] [2024-11-07 23:04:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:55,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:04:55,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:04:55,711 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 23:04:55,712 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 23:04:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:56,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 23:04:56,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:04:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 23:04:56,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:04:56,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232038101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:56,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:04:56,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-07 23:04:56,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811575597] [2024-11-07 23:04:56,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:56,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:04:56,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:56,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:04:56,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:04:56,364 INFO L87 Difference]: Start difference. First operand 3465 states and 4849 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:04:56,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:56,907 INFO L93 Difference]: Finished difference Result 6828 states and 9573 transitions. [2024-11-07 23:04:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:04:56,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 139 [2024-11-07 23:04:56,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:56,918 INFO L225 Difference]: With dead ends: 6828 [2024-11-07 23:04:56,918 INFO L226 Difference]: Without dead ends: 3518 [2024-11-07 23:04:56,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:04:56,923 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 10 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:56,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2943 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:04:56,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2024-11-07 23:04:57,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3465. [2024-11-07 23:04:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4064823074635742) internal successors, (4730), 3379 states have internal predecessors, (4730), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:04:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4849 transitions. [2024-11-07 23:04:57,017 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4849 transitions. Word has length 139 [2024-11-07 23:04:57,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:57,018 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4849 transitions. [2024-11-07 23:04:57,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:04:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4849 transitions. [2024-11-07 23:04:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:04:57,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:57,019 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 23:04:57,042 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 23:04:57,220 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 23:04:57,221 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 23:04:57,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2125123768, now seen corresponding path program 1 times [2024-11-07 23:04:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862247962] [2024-11-07 23:04:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:04:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:57,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:57,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:04:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:57,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:04:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:04:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 23:04:57,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:57,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862247962] [2024-11-07 23:04:57,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862247962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:57,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:57,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:04:57,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527056239] [2024-11-07 23:04:57,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:57,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:04:57,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:57,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:04:57,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:04:57,554 INFO L87 Difference]: Start difference. First operand 3465 states and 4849 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:58,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:58,255 INFO L93 Difference]: Finished difference Result 6780 states and 9492 transitions. [2024-11-07 23:04:58,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:04:58,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-07 23:04:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:58,265 INFO L225 Difference]: With dead ends: 6780 [2024-11-07 23:04:58,265 INFO L226 Difference]: Without dead ends: 3465 [2024-11-07 23:04:58,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:04:58,271 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 51 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:58,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 3323 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:04:58,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2024-11-07 23:04:58,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3465. [2024-11-07 23:04:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4044008325899495) internal successors, (4723), 3379 states have internal predecessors, (4723), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:04:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4842 transitions. [2024-11-07 23:04:58,348 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4842 transitions. Word has length 139 [2024-11-07 23:04:58,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:58,348 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4842 transitions. [2024-11-07 23:04:58,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4842 transitions. [2024-11-07 23:04:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:04:58,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:58,350 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 23:04:58,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 23:04:58,350 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:04:58,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash -28418267, now seen corresponding path program 1 times [2024-11-07 23:04:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14653131] [2024-11-07 23:04:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:04:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:04:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:04:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:04:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:58,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:04:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:04:58,792 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 23:04:58,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:04:58,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14653131] [2024-11-07 23:04:58,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14653131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:04:58,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:04:58,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 23:04:58,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722506615] [2024-11-07 23:04:58,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:04:58,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:04:58,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:04:58,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:04:58,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:04:58,794 INFO L87 Difference]: Start difference. First operand 3465 states and 4842 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:04:59,739 INFO L93 Difference]: Finished difference Result 6880 states and 9624 transitions. [2024-11-07 23:04:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:04:59,740 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-07 23:04:59,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:04:59,751 INFO L225 Difference]: With dead ends: 6880 [2024-11-07 23:04:59,751 INFO L226 Difference]: Without dead ends: 3570 [2024-11-07 23:04:59,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:04:59,757 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 69 mSDsluCounter, 3712 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:04:59,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 4287 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 23:04:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2024-11-07 23:04:59,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3528. [2024-11-07 23:04:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3426 states have (on average 1.4004670169293636) internal successors, (4798), 3442 states have internal predecessors, (4798), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-07 23:04:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 4917 transitions. [2024-11-07 23:04:59,847 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 4917 transitions. Word has length 139 [2024-11-07 23:04:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:04:59,848 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 4917 transitions. [2024-11-07 23:04:59,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 23:04:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4917 transitions. [2024-11-07 23:04:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 23:04:59,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:04:59,850 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:04:59,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 23:04:59,850 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:04:59,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:04:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2005921723, now seen corresponding path program 1 times [2024-11-07 23:04:59,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:04:59,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743494798] [2024-11-07 23:04:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:04:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:04:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 23:05:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:05:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,302 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 23:05:00,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:00,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743494798] [2024-11-07 23:05:00,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743494798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:00,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373024515] [2024-11-07 23:05:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:00,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:00,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:05:00,306 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 23:05:00,308 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 23:05:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:00,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 23:05:00,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:05:00,899 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 23:05:00,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:05:01,014 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 23:05:01,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373024515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:05:01,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:05:01,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-07 23:05:01,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575327165] [2024-11-07 23:05:01,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:05:01,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 23:05:01,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:01,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 23:05:01,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-07 23:05:01,016 INFO L87 Difference]: Start difference. First operand 3528 states and 4917 transitions. Second operand has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:05:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:01,950 INFO L93 Difference]: Finished difference Result 6933 states and 9687 transitions. [2024-11-07 23:05:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 23:05:01,950 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 140 [2024-11-07 23:05:01,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:01,960 INFO L225 Difference]: With dead ends: 6933 [2024-11-07 23:05:01,960 INFO L226 Difference]: Without dead ends: 3600 [2024-11-07 23:05:01,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 23:05:01,965 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 101 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 7352 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:01,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 7352 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:05:01,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2024-11-07 23:05:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3568. [2024-11-07 23:05:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3568 states, 3465 states have (on average 1.4005772005772006) internal successors, (4853), 3478 states have internal predecessors, (4853), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:05:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4968 transitions. [2024-11-07 23:05:02,049 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4968 transitions. Word has length 140 [2024-11-07 23:05:02,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:02,050 INFO L471 AbstractCegarLoop]: Abstraction has 3568 states and 4968 transitions. [2024-11-07 23:05:02,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:05:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4968 transitions. [2024-11-07 23:05:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 23:05:02,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:02,051 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:02,073 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 23:05:02,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:02,255 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:05:02,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:02,255 INFO L85 PathProgramCache]: Analyzing trace with hash 464185025, now seen corresponding path program 2 times [2024-11-07 23:05:02,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:02,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017109446] [2024-11-07 23:05:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:02,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:02,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:05:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:02,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 23:05:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:02,883 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 23:05:02,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:02,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017109446] [2024-11-07 23:05:02,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017109446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:02,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679346682] [2024-11-07 23:05:02,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:05:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:05:02,887 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 23:05:02,887 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 23:05:03,256 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 23:05:03,256 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:05:03,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:05:03,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:05:03,316 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 23:05:03,329 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 23:05:03,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:05:03,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679346682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:05:03,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:05:03,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-07 23:05:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418563029] [2024-11-07 23:05:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:05:03,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:05:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:03,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:05:03,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:05:03,331 INFO L87 Difference]: Start difference. First operand 3568 states and 4968 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:05:03,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:03,387 INFO L93 Difference]: Finished difference Result 3568 states and 4968 transitions. [2024-11-07 23:05:03,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:05:03,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 144 [2024-11-07 23:05:03,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:03,395 INFO L225 Difference]: With dead ends: 3568 [2024-11-07 23:05:03,396 INFO L226 Difference]: Without dead ends: 3567 [2024-11-07 23:05:03,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:05:03,397 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 1 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:03,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1216 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:05:03,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2024-11-07 23:05:03,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3567. [2024-11-07 23:05:03,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3567 states, 3465 states have (on average 1.3988455988455988) internal successors, (4847), 3477 states have internal predecessors, (4847), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:05:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4962 transitions. [2024-11-07 23:05:03,482 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4962 transitions. Word has length 144 [2024-11-07 23:05:03,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:03,484 INFO L471 AbstractCegarLoop]: Abstraction has 3567 states and 4962 transitions. [2024-11-07 23:05:03,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:05:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4962 transitions. [2024-11-07 23:05:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 23:05:03,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:03,485 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:03,503 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 23:05:03,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:03,686 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:05:03,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1504833990, now seen corresponding path program 1 times [2024-11-07 23:05:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37091093] [2024-11-07 23:05:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:05:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-07 23:05:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,299 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 23:05:04,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:04,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37091093] [2024-11-07 23:05:04,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37091093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:04,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193425850] [2024-11-07 23:05:04,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:04,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:04,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:05:04,302 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 23:05:04,304 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 23:05:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:04,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 23:05:04,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:05:04,991 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 23:05:04,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:05:05,198 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 23:05:05,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193425850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:05:05,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:05:05,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-07 23:05:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860893678] [2024-11-07 23:05:05,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:05:05,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 23:05:05,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 23:05:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-07 23:05:05,200 INFO L87 Difference]: Start difference. First operand 3567 states and 4962 transitions. Second operand has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:05:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:06,762 INFO L93 Difference]: Finished difference Result 6577 states and 9134 transitions. [2024-11-07 23:05:06,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 23:05:06,762 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 145 [2024-11-07 23:05:06,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:06,768 INFO L225 Difference]: With dead ends: 6577 [2024-11-07 23:05:06,768 INFO L226 Difference]: Without dead ends: 3039 [2024-11-07 23:05:06,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=527, Invalid=2779, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 23:05:06,773 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 126 mSDsluCounter, 6161 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:06,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 6651 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:05:06,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2024-11-07 23:05:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3017. [2024-11-07 23:05:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2915 states have (on average 1.376672384219554) internal successors, (4013), 2927 states have internal predecessors, (4013), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:05:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 4128 transitions. [2024-11-07 23:05:06,909 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 4128 transitions. Word has length 145 [2024-11-07 23:05:06,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:06,910 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 4128 transitions. [2024-11-07 23:05:06,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 23:05:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 4128 transitions. [2024-11-07 23:05:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 23:05:06,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:06,912 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:06,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 23:05:07,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-07 23:05:07,113 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:05:07,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:07,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1814611385, now seen corresponding path program 2 times [2024-11-07 23:05:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:07,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921694705] [2024-11-07 23:05:07,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:07,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:07,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:05:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 23:05:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:08,135 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 23:05:08,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:08,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921694705] [2024-11-07 23:05:08,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921694705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:08,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642808503] [2024-11-07 23:05:08,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:05:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:08,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:05:08,138 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 23:05:08,140 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 23:05:08,723 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:05:08,723 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:05:08,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-07 23:05:08,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:05:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 23:05:08,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:05:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 78 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 23:05:09,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642808503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:05:09,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:05:09,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 10] total 37 [2024-11-07 23:05:09,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541485320] [2024-11-07 23:05:09,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:05:09,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-07 23:05:09,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-07 23:05:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1186, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 23:05:09,314 INFO L87 Difference]: Start difference. First operand 3017 states and 4128 transitions. Second operand has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:05:12,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:12,500 INFO L93 Difference]: Finished difference Result 5997 states and 8254 transitions. [2024-11-07 23:05:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-07 23:05:12,501 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 154 [2024-11-07 23:05:12,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:12,507 INFO L225 Difference]: With dead ends: 5997 [2024-11-07 23:05:12,507 INFO L226 Difference]: Without dead ends: 3099 [2024-11-07 23:05:12,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=984, Invalid=6326, Unknown=0, NotChecked=0, Total=7310 [2024-11-07 23:05:12,511 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 194 mSDsluCounter, 10767 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 11268 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:12,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 11268 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 23:05:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2024-11-07 23:05:12,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3053. [2024-11-07 23:05:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 2951 states have (on average 1.3707217892239918) internal successors, (4045), 2962 states have internal predecessors, (4045), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-07 23:05:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4160 transitions. [2024-11-07 23:05:12,611 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4160 transitions. Word has length 154 [2024-11-07 23:05:12,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:12,612 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 4160 transitions. [2024-11-07 23:05:12,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:05:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4160 transitions. [2024-11-07 23:05:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-07 23:05:12,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:12,613 INFO L215 NwaCegarLoop]: trace histogram [23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:12,636 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 23:05:12,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 23:05:12,814 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:05:12,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash -365863679, now seen corresponding path program 3 times [2024-11-07 23:05:12,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:12,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478961498] [2024-11-07 23:05:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:12,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:13,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:13,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:05:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 23:05:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 7 proven. 227 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-07 23:05:13,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478961498] [2024-11-07 23:05:13,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478961498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059459749] [2024-11-07 23:05:13,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 23:05:13,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:13,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:05:13,838 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 23:05:13,838 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 23:05:14,350 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 23:05:14,350 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:05:14,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 23:05:14,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:05:14,363 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 23:05:14,816 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 23:05:14,892 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 23:05:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-07 23:05:14,918 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:05:15,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059459749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:15,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:05:15,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 25 [2024-11-07 23:05:15,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475276803] [2024-11-07 23:05:15,507 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 23:05:15,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 23:05:15,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:15,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 23:05:15,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-07 23:05:15,508 INFO L87 Difference]: Start difference. First operand 3053 states and 4160 transitions. Second operand has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 23:05:21,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 23:05:25,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 23:05:29,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 23:05:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:29,617 INFO L93 Difference]: Finished difference Result 6927 states and 9524 transitions. [2024-11-07 23:05:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 23:05:29,617 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 162 [2024-11-07 23:05:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:29,624 INFO L225 Difference]: With dead ends: 6927 [2024-11-07 23:05:29,624 INFO L226 Difference]: Without dead ends: 4000 [2024-11-07 23:05:29,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 185 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=310, Invalid=2552, Unknown=0, NotChecked=0, Total=2862 [2024-11-07 23:05:29,628 INFO L432 NwaCegarLoop]: 664 mSDtfsCounter, 1052 mSDsluCounter, 11103 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 48 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 11767 SdHoareTripleChecker+Invalid, 1955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:29,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 11767 Invalid, 1955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1904 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-07 23:05:29,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4000 states. [2024-11-07 23:05:29,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4000 to 2862. [2024-11-07 23:05:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2759 states have (on average 1.3599130119608553) internal successors, (3752), 2771 states have internal predecessors, (3752), 56 states have call successors, (56), 44 states have call predecessors, (56), 37 states have return successors, (63), 46 states have call predecessors, (63), 56 states have call successors, (63) [2024-11-07 23:05:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 3871 transitions. [2024-11-07 23:05:29,772 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 3871 transitions. Word has length 162 [2024-11-07 23:05:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:29,773 INFO L471 AbstractCegarLoop]: Abstraction has 2862 states and 3871 transitions. [2024-11-07 23:05:29,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 23:05:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 3871 transitions. [2024-11-07 23:05:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 23:05:29,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:29,775 INFO L215 NwaCegarLoop]: trace histogram [24, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:29,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 23:05:29,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 23:05:29,975 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:05:29,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1717763657, now seen corresponding path program 1 times [2024-11-07 23:05:29,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:29,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006587303] [2024-11-07 23:05:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:29,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:05:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:05:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:05:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:05:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-07 23:05:30,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:30,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006587303] [2024-11-07 23:05:30,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006587303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:05:30,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433378603] [2024-11-07 23:05:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:30,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:05:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:05:30,605 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 23:05:30,606 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 23:05:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:31,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 23:05:31,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:05:31,361 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 221 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-07 23:05:31,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:05:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-11-07 23:05:31,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433378603] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:05:31,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:05:31,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 10] total 19 [2024-11-07 23:05:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346017859] [2024-11-07 23:05:31,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:05:31,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 23:05:31,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:31,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 23:05:31,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-07 23:05:31,576 INFO L87 Difference]: Start difference. First operand 2862 states and 3871 transitions. Second operand has 20 states, 19 states have (on average 10.210526315789474) internal successors, (194), 15 states have internal predecessors, (194), 7 states have call successors, (22), 10 states have call predecessors, (22), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 23:05:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:32,568 INFO L93 Difference]: Finished difference Result 7000 states and 9797 transitions. [2024-11-07 23:05:32,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 23:05:32,568 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.210526315789474) internal successors, (194), 15 states have internal predecessors, (194), 7 states have call successors, (22), 10 states have call predecessors, (22), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 176 [2024-11-07 23:05:32,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:32,578 INFO L225 Difference]: With dead ends: 7000 [2024-11-07 23:05:32,578 INFO L226 Difference]: Without dead ends: 4984 [2024-11-07 23:05:32,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 359 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 23:05:32,582 INFO L432 NwaCegarLoop]: 1069 mSDtfsCounter, 4588 mSDsluCounter, 5857 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4590 SdHoareTripleChecker+Valid, 6926 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:32,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4590 Valid, 6926 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:05:32,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2024-11-07 23:05:32,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4588. [2024-11-07 23:05:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 4496 states have (on average 1.4123665480427046) internal successors, (6350), 4507 states have internal predecessors, (6350), 50 states have call successors, (50), 39 states have call predecessors, (50), 33 states have return successors, (51), 41 states have call predecessors, (51), 50 states have call successors, (51) [2024-11-07 23:05:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 6451 transitions. [2024-11-07 23:05:32,712 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 6451 transitions. Word has length 176 [2024-11-07 23:05:32,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:32,712 INFO L471 AbstractCegarLoop]: Abstraction has 4588 states and 6451 transitions. [2024-11-07 23:05:32,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.210526315789474) internal successors, (194), 15 states have internal predecessors, (194), 7 states have call successors, (22), 10 states have call predecessors, (22), 8 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 23:05:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 6451 transitions. [2024-11-07 23:05:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-07 23:05:32,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:32,714 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:32,737 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 23:05:32,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-07 23:05:32,916 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 23:05:32,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:32,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1409505975, now seen corresponding path program 1 times [2024-11-07 23:05:32,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:32,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986261453] [2024-11-07 23:05:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:32,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:05:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:05:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:05:33,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:33,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986261453] [2024-11-07 23:05:33,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986261453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:05:33,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:05:33,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:05:33,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053884725] [2024-11-07 23:05:33,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:05:33,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:05:33,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:33,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:05:33,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:05:33,194 INFO L87 Difference]: Start difference. First operand 4588 states and 6451 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:05:33,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:05:33,545 INFO L93 Difference]: Finished difference Result 5741 states and 8101 transitions. [2024-11-07 23:05:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:05:33,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 224 [2024-11-07 23:05:33,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:05:33,553 INFO L225 Difference]: With dead ends: 5741 [2024-11-07 23:05:33,553 INFO L226 Difference]: Without dead ends: 2314 [2024-11-07 23:05:33,556 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 23:05:33,557 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 58 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:05:33,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1864 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:05:33,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2024-11-07 23:05:33,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2119. [2024-11-07 23:05:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 2043 states have (on average 1.3338228095937348) internal successors, (2725), 2053 states have internal predecessors, (2725), 39 states have call successors, (39), 33 states have call predecessors, (39), 29 states have return successors, (40), 32 states have call predecessors, (40), 39 states have call successors, (40) [2024-11-07 23:05:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2804 transitions. [2024-11-07 23:05:33,691 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2804 transitions. Word has length 224 [2024-11-07 23:05:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:05:33,693 INFO L471 AbstractCegarLoop]: Abstraction has 2119 states and 2804 transitions. [2024-11-07 23:05:33,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:05:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2804 transitions. [2024-11-07 23:05:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 23:05:33,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:05:33,697 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:05:33,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 23:05:33,698 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 23:05:33,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:05:33,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1519585549, now seen corresponding path program 1 times [2024-11-07 23:05:33,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:05:33,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041625326] [2024-11-07 23:05:33,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:05:33,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:05:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:05:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:05:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:05:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-07 23:05:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 23:05:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:05:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-07 23:05:33,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:05:33,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041625326] [2024-11-07 23:05:33,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041625326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:05:33,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:05:33,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:05:33,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122319681] [2024-11-07 23:05:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:05:33,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:05:33,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:05:33,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:05:33,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:05:33,965 INFO L87 Difference]: Start difference. First operand 2119 states and 2804 transitions. Second operand has 5 states, 4 states have (on average 45.25) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)