./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_SAX_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', 'ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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 ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:16:30,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:16:30,235 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:16:30,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:16:30,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:16:30,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:16:30,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:16:30,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:16:30,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:16:30,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:16:30,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:16:30,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:16:30,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:16:30,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:16:30,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:16:30,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:16:30,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:16:30,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:16:30,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:16:30,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:16:30,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:16:30,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:16:30,270 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 -> ff5be3465740cb655882704e7eef418c95d0bbd56a2060e741c7d3e996e58af7 [2024-11-07 23:16:30,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:16:30,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:16:30,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:16:30,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:16:30,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:16:30,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2024-11-07 23:16:31,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:16:31,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:16:31,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-1.i [2024-11-07 23:16:31,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4115bea01/df59b4bc209346f28ef9394264d3b364/FLAG4ce9a602d [2024-11-07 23:16:32,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4115bea01/df59b4bc209346f28ef9394264d3b364 [2024-11-07 23:16:32,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:16:32,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:16:32,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:16:32,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:16:32,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:16:32,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2416dd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32, skipping insertion in model container [2024-11-07 23:16:32,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:16:32,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:16:32,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:16:32,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:16:32,528 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:16:32,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32 WrapperNode [2024-11-07 23:16:32,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:16:32,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:16:32,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:16:32,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:16:32,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,646 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1487 [2024-11-07 23:16:32,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:16:32,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:16:32,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:16:32,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:16:32,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,740 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 34, 12, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 0, 10, 0]. The 54 writes are split as follows [0, 4, 1, 49]. [2024-11-07 23:16:32,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:16:32,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:16:32,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:16:32,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:16:32,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (1/1) ... [2024-11-07 23:16:32,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:16:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:32,874 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 23:16:32,876 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 23:16:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:16:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:16:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:16:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:16:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-07 23:16:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:16:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:16:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-07 23:16:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-07 23:16:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:16:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:16:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 23:16:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:16:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:16:33,050 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:16:33,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:16:34,073 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-07 23:16:34,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:16:34,089 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:16:34,093 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-07 23:16:34,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:16:34 BoogieIcfgContainer [2024-11-07 23:16:34,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:16:34,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:16:34,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:16:34,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:16:34,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:16:32" (1/3) ... [2024-11-07 23:16:34,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19324857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:16:34, skipping insertion in model container [2024-11-07 23:16:34,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:16:32" (2/3) ... [2024-11-07 23:16:34,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19324857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:16:34, skipping insertion in model container [2024-11-07 23:16:34,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:16:34" (3/3) ... [2024-11-07 23:16:34,101 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-1.i [2024-11-07 23:16:34,110 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:16:34,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-07 23:16:34,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:16:34,167 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;@205a8678, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:16:34,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-07 23:16:34,171 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 23:16:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:16:34,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:34,176 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:16:34,176 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 23:16:34,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1635847084, now seen corresponding path program 1 times [2024-11-07 23:16:34,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:34,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517372526] [2024-11-07 23:16:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:34,326 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 23:16:34,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:34,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517372526] [2024-11-07 23:16:34,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517372526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:34,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:34,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:16:34,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369054237] [2024-11-07 23:16:34,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:34,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:16:34,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:34,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:16:34,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:16:34,347 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 23:16:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:34,384 INFO L93 Difference]: Finished difference Result 917 states and 1441 transitions. [2024-11-07 23:16:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:16:34,386 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 23:16:34,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:34,392 INFO L225 Difference]: With dead ends: 917 [2024-11-07 23:16:34,392 INFO L226 Difference]: Without dead ends: 443 [2024-11-07 23:16:34,395 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 23:16:34,396 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 23:16:34,397 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 23:16:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-07 23:16:34,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-07 23:16:34,430 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 23:16:34,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 621 transitions. [2024-11-07 23:16:34,438 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 621 transitions. Word has length 8 [2024-11-07 23:16:34,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:34,438 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 621 transitions. [2024-11-07 23:16:34,438 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 23:16:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 621 transitions. [2024-11-07 23:16:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:16:34,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:34,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:16:34,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:16:34,439 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 23:16:34,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1635849006, now seen corresponding path program 1 times [2024-11-07 23:16:34,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:34,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252485381] [2024-11-07 23:16:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:16:34,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227425113] [2024-11-07 23:16:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:34,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:34,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:34,477 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 23:16:34,485 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 23:16:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:34,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:16:34,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:34,658 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 23:16:34,679 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 22 treesize of output 10 [2024-11-07 23:16:34,689 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 23:16:34,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:34,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:34,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252485381] [2024-11-07 23:16:34,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:16:34,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227425113] [2024-11-07 23:16:34,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227425113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:34,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:34,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:16:34,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014160658] [2024-11-07 23:16:34,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:34,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:34,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:34,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:34,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:34,694 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 23:16:34,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:34,869 INFO L93 Difference]: Finished difference Result 852 states and 1209 transitions. [2024-11-07 23:16:34,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:34,870 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 23:16:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:34,874 INFO L225 Difference]: With dead ends: 852 [2024-11-07 23:16:34,874 INFO L226 Difference]: Without dead ends: 851 [2024-11-07 23:16:34,874 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 23:16:34,875 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 563 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:34,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1779 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:16:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-07 23:16:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 449. [2024-11-07 23:16:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 421 states have (on average 1.4441805225653206) internal successors, (608), 435 states have internal predecessors, (608), 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 23:16:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 628 transitions. [2024-11-07 23:16:34,896 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 628 transitions. Word has length 8 [2024-11-07 23:16:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:34,896 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 628 transitions. [2024-11-07 23:16:34,896 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 23:16:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 628 transitions. [2024-11-07 23:16:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 23:16:34,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:34,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:16:34,910 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 23:16:35,100 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 23:16:35,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:35,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash -828288263, now seen corresponding path program 1 times [2024-11-07 23:16:35,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:35,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517944532] [2024-11-07 23:16:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:16:35,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956852314] [2024-11-07 23:16:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:35,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:35,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:35,147 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 23:16:35,149 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 23:16:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:35,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:16:35,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:35,300 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 23:16:35,322 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 23:16:35,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:35,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517944532] [2024-11-07 23:16:35,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:16:35,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956852314] [2024-11-07 23:16:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956852314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:35,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:35,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:16:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642033424] [2024-11-07 23:16:35,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:35,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:35,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:35,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:35,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:35,325 INFO L87 Difference]: Start difference. First operand 449 states and 628 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 23:16:35,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:35,468 INFO L93 Difference]: Finished difference Result 851 states and 1208 transitions. [2024-11-07 23:16:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:35,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-07 23:16:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:35,471 INFO L225 Difference]: With dead ends: 851 [2024-11-07 23:16:35,471 INFO L226 Difference]: Without dead ends: 850 [2024-11-07 23:16:35,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 23:16:35,472 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 561 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:35,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1780 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:16:35,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-07 23:16:35,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 450. [2024-11-07 23:16:35,495 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 23:16:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2024-11-07 23:16:35,500 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 9 [2024-11-07 23:16:35,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:35,500 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2024-11-07 23:16:35,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 23:16:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2024-11-07 23:16:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:16:35,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:35,502 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 23:16:35,515 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 23:16:35,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:35,706 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 23:16:35,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:35,707 INFO L85 PathProgramCache]: Analyzing trace with hash 185472285, now seen corresponding path program 1 times [2024-11-07 23:16:35,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:35,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252887216] [2024-11-07 23:16:35,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:35,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:35,960 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 23:16:35,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:35,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252887216] [2024-11-07 23:16:35,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252887216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:35,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:35,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:16:35,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572758644] [2024-11-07 23:16:35,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:35,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:35,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:35,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:35,962 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 23:16:36,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:36,031 INFO L93 Difference]: Finished difference Result 894 states and 1251 transitions. [2024-11-07 23:16:36,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:36,031 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 23:16:36,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:36,033 INFO L225 Difference]: With dead ends: 894 [2024-11-07 23:16:36,033 INFO L226 Difference]: Without dead ends: 453 [2024-11-07 23:16:36,034 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 23:16:36,034 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 105 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:36,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1686 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:36,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-07 23:16:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-07 23:16:36,042 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 23:16:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 622 transitions. [2024-11-07 23:16:36,044 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 622 transitions. Word has length 64 [2024-11-07 23:16:36,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:36,044 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 622 transitions. [2024-11-07 23:16:36,045 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 23:16:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2024-11-07 23:16:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 23:16:36,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:36,046 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 23:16:36,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:16:36,047 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:36,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:36,047 INFO L85 PathProgramCache]: Analyzing trace with hash -878727663, now seen corresponding path program 1 times [2024-11-07 23:16:36,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:36,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129836854] [2024-11-07 23:16:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:36,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:36,262 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 23:16:36,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:36,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129836854] [2024-11-07 23:16:36,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129836854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:36,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:36,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:16:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427207187] [2024-11-07 23:16:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:36,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:36,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:36,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:36,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:36,263 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 23:16:36,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:36,301 INFO L93 Difference]: Finished difference Result 820 states and 1146 transitions. [2024-11-07 23:16:36,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:36,302 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 23:16:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:36,306 INFO L225 Difference]: With dead ends: 820 [2024-11-07 23:16:36,307 INFO L226 Difference]: Without dead ends: 816 [2024-11-07 23:16:36,307 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 23:16:36,308 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 23:16:36,308 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 23:16:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-07 23:16:36,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 808. [2024-11-07 23:16:36,332 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 23:16:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1142 transitions. [2024-11-07 23:16:36,335 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1142 transitions. Word has length 64 [2024-11-07 23:16:36,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:36,335 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1142 transitions. [2024-11-07 23:16:36,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:16:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1142 transitions. [2024-11-07 23:16:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 23:16:36,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:36,337 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 23:16:36,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:16:36,337 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:36,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:36,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1138317444, now seen corresponding path program 1 times [2024-11-07 23:16:36,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:36,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443775464] [2024-11-07 23:16:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:36,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:36,542 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 23:16:36,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:36,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443775464] [2024-11-07 23:16:36,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443775464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:36,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:36,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:16:36,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175969313] [2024-11-07 23:16:36,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:36,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:36,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:36,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:36,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:36,543 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 23:16:36,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:36,639 INFO L93 Difference]: Finished difference Result 1821 states and 2600 transitions. [2024-11-07 23:16:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:36,640 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 23:16:36,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:36,644 INFO L225 Difference]: With dead ends: 1821 [2024-11-07 23:16:36,644 INFO L226 Difference]: Without dead ends: 1421 [2024-11-07 23:16:36,645 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 23:16:36,645 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 557 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1773 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 23:16:36,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1773 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:16:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-07 23:16:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 808. [2024-11-07 23:16:36,663 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 23:16:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1141 transitions. [2024-11-07 23:16:36,666 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1141 transitions. Word has length 70 [2024-11-07 23:16:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:36,666 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1141 transitions. [2024-11-07 23:16:36,666 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 23:16:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1141 transitions. [2024-11-07 23:16:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 23:16:36,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:36,667 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 23:16:36,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:16:36,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:36,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash -238535306, now seen corresponding path program 1 times [2024-11-07 23:16:36,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:36,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50345743] [2024-11-07 23:16:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:36,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:36,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:36,849 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 23:16:36,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:36,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50345743] [2024-11-07 23:16:36,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50345743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:36,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:36,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:16:36,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822960646] [2024-11-07 23:16:36,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:36,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:36,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:36,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:36,851 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 23:16:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:36,965 INFO L93 Difference]: Finished difference Result 1038 states and 1455 transitions. [2024-11-07 23:16:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:16:36,965 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 23:16:36,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:36,969 INFO L225 Difference]: With dead ends: 1038 [2024-11-07 23:16:36,969 INFO L226 Difference]: Without dead ends: 1036 [2024-11-07 23:16:36,970 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 23:16:36,972 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 23:16:36,972 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 23:16:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-07 23:16:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1026. [2024-11-07 23:16:36,993 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 23:16:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1453 transitions. [2024-11-07 23:16:36,997 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1453 transitions. Word has length 74 [2024-11-07 23:16:36,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:36,998 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1453 transitions. [2024-11-07 23:16:36,998 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 23:16:36,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1453 transitions. [2024-11-07 23:16:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 23:16:36,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:36,999 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 23:16:36,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:16:36,999 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:36,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash -676007271, now seen corresponding path program 1 times [2024-11-07 23:16:37,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588476739] [2024-11-07 23:16:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:37,373 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 23:16:37,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:37,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588476739] [2024-11-07 23:16:37,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588476739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:37,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571155970] [2024-11-07 23:16:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:37,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:37,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:16:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 23:16:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:37,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:16:37,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:37,659 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 23:16:37,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:37,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571155970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:37,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:37,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 23:16:37,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990572417] [2024-11-07 23:16:37,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:37,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:16:37,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:37,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:16:37,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:16:37,661 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 23:16:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:37,719 INFO L93 Difference]: Finished difference Result 1394 states and 1975 transitions. [2024-11-07 23:16:37,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:16:37,720 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 23:16:37,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:37,724 INFO L225 Difference]: With dead ends: 1394 [2024-11-07 23:16:37,724 INFO L226 Difference]: Without dead ends: 1393 [2024-11-07 23:16:37,724 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 23:16:37,725 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 579 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:37,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1740 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:37,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-07 23:16:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1189. [2024-11-07 23:16:37,746 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 23:16:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1688 transitions. [2024-11-07 23:16:37,750 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1688 transitions. Word has length 83 [2024-11-07 23:16:37,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:37,750 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1688 transitions. [2024-11-07 23:16:37,750 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 23:16:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1688 transitions. [2024-11-07 23:16:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 23:16:37,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:37,751 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 23:16:37,764 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 23:16:37,951 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 23:16:37,952 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:37,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:37,952 INFO L85 PathProgramCache]: Analyzing trace with hash 518611120, now seen corresponding path program 1 times [2024-11-07 23:16:37,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:37,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286126048] [2024-11-07 23:16:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:37,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:38,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:38,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:38,222 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 23:16:38,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:38,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286126048] [2024-11-07 23:16:38,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286126048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:38,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175673676] [2024-11-07 23:16:38,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:38,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:38,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:38,225 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 23:16:38,226 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 23:16:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:38,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:16:38,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:38,570 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 23:16:38,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:16:38,762 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 23:16:38,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175673676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:16:38,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:16:38,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-07 23:16:38,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577697786] [2024-11-07 23:16:38,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:16:38,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 23:16:38,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:38,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 23:16:38,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:16:38,765 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 23:16:40,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:40,056 INFO L93 Difference]: Finished difference Result 3238 states and 4588 transitions. [2024-11-07 23:16:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 23:16:40,056 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 23:16:40,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:40,070 INFO L225 Difference]: With dead ends: 3238 [2024-11-07 23:16:40,070 INFO L226 Difference]: Without dead ends: 3236 [2024-11-07 23:16:40,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2024-11-07 23:16:40,072 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 3498 mSDsluCounter, 8797 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3508 SdHoareTripleChecker+Valid, 9460 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:40,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3508 Valid, 9460 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:16:40,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2024-11-07 23:16:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 2747. [2024-11-07 23:16:40,162 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 23:16:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3934 transitions. [2024-11-07 23:16:40,172 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3934 transitions. Word has length 84 [2024-11-07 23:16:40,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:40,173 INFO L471 AbstractCegarLoop]: Abstraction has 2747 states and 3934 transitions. [2024-11-07 23:16:40,173 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 23:16:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3934 transitions. [2024-11-07 23:16:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:16:40,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:40,174 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 23:16:40,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 23:16:40,375 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,SelfDestructingSolverStorable8 [2024-11-07 23:16:40,375 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:40,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:40,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1558756002, now seen corresponding path program 1 times [2024-11-07 23:16:40,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:40,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129495877] [2024-11-07 23:16:40,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:40,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:40,459 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 23:16:40,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:40,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129495877] [2024-11-07 23:16:40,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129495877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:40,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:40,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:16:40,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827953979] [2024-11-07 23:16:40,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:40,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:16:40,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:40,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:16:40,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:16:40,461 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 23:16:40,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:40,557 INFO L93 Difference]: Finished difference Result 5553 states and 7970 transitions. [2024-11-07 23:16:40,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:16:40,558 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 23:16:40,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:40,569 INFO L225 Difference]: With dead ends: 5553 [2024-11-07 23:16:40,569 INFO L226 Difference]: Without dead ends: 2815 [2024-11-07 23:16:40,572 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 23:16:40,574 INFO L432 NwaCegarLoop]: 798 mSDtfsCounter, 374 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:40,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1387 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:40,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2024-11-07 23:16:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2804. [2024-11-07 23:16:40,622 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 23:16:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4029 transitions. [2024-11-07 23:16:40,631 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4029 transitions. Word has length 82 [2024-11-07 23:16:40,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:40,631 INFO L471 AbstractCegarLoop]: Abstraction has 2804 states and 4029 transitions. [2024-11-07 23:16:40,631 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 23:16:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4029 transitions. [2024-11-07 23:16:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 23:16:40,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:40,632 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 23:16:40,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 23:16:40,633 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:40,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2014395234, now seen corresponding path program 1 times [2024-11-07 23:16:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:40,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100497823] [2024-11-07 23:16:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:16:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:40,901 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 23:16:40,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100497823] [2024-11-07 23:16:40,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100497823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302802697] [2024-11-07 23:16:40,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:40,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:40,903 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 23:16:40,904 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 23:16:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:41,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:16:41,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:41,221 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 23:16:41,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:16:41,378 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 23:16:41,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302802697] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:41,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 23:16:41,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-07 23:16:41,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168683722] [2024-11-07 23:16:41,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:41,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:16:41,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:41,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:16:41,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:16:41,380 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 23:16:41,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:41,463 INFO L93 Difference]: Finished difference Result 2804 states and 4029 transitions. [2024-11-07 23:16:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:16:41,464 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 23:16:41,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:41,471 INFO L225 Difference]: With dead ends: 2804 [2024-11-07 23:16:41,471 INFO L226 Difference]: Without dead ends: 2803 [2024-11-07 23:16:41,472 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 23:16:41,472 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 2234 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:41,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2234 Valid, 610 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-07 23:16:41,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2024-11-07 23:16:41,530 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 23:16:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 4024 transitions. [2024-11-07 23:16:41,536 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 4024 transitions. Word has length 93 [2024-11-07 23:16:41,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:41,537 INFO L471 AbstractCegarLoop]: Abstraction has 2803 states and 4024 transitions. [2024-11-07 23:16:41,537 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 23:16:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 4024 transitions. [2024-11-07 23:16:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 23:16:41,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:41,537 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 23:16:41,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 23:16:41,741 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 23:16:41,743 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:41,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1978257255, now seen corresponding path program 1 times [2024-11-07 23:16:41,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:41,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445416140] [2024-11-07 23:16:41,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:42,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:16:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:42,011 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 23:16:42,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:42,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445416140] [2024-11-07 23:16:42,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445416140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:42,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389678635] [2024-11-07 23:16:42,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:42,014 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 23:16:42,016 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 23:16:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:42,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:16:42,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:42,327 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 23:16:42,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:16:42,476 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 23:16:42,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389678635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:16:42,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:16:42,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-07 23:16:42,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081215039] [2024-11-07 23:16:42,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:16:42,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:16:42,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:42,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:16:42,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:16:42,477 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 23:16:43,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:43,061 INFO L93 Difference]: Finished difference Result 5398 states and 7716 transitions. [2024-11-07 23:16:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:16:43,061 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 23:16:43,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:43,075 INFO L225 Difference]: With dead ends: 5398 [2024-11-07 23:16:43,075 INFO L226 Difference]: Without dead ends: 5397 [2024-11-07 23:16:43,076 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 23:16:43,076 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 2379 mSDsluCounter, 4532 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 5106 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:43,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 5106 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:16:43,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2024-11-07 23:16:43,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5014. [2024-11-07 23:16:43,163 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 23:16:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 7171 transitions. [2024-11-07 23:16:43,171 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 7171 transitions. Word has length 94 [2024-11-07 23:16:43,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:43,171 INFO L471 AbstractCegarLoop]: Abstraction has 5014 states and 7171 transitions. [2024-11-07 23:16:43,171 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 23:16:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 7171 transitions. [2024-11-07 23:16:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 23:16:43,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:43,172 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 23:16:43,186 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 23:16:43,372 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,SelfDestructingSolverStorable11 [2024-11-07 23:16:43,373 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:43,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:43,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1276458826, now seen corresponding path program 1 times [2024-11-07 23:16:43,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:43,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942990794] [2024-11-07 23:16:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:43,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:43,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:16:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:43,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:16:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:43,659 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 23:16:43,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:43,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942990794] [2024-11-07 23:16:43,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942990794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:43,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:43,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:16:43,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342392064] [2024-11-07 23:16:43,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:43,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:16:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:43,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:16:43,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:16:43,661 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 23:16:44,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:44,105 INFO L93 Difference]: Finished difference Result 6550 states and 9380 transitions. [2024-11-07 23:16:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:16:44,106 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 23:16:44,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:44,134 INFO L225 Difference]: With dead ends: 6550 [2024-11-07 23:16:44,136 INFO L226 Difference]: Without dead ends: 6548 [2024-11-07 23:16:44,138 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 23:16:44,139 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 512 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:44,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2666 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:16:44,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2024-11-07 23:16:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 5182. [2024-11-07 23:16:44,281 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 23:16:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 7390 transitions. [2024-11-07 23:16:44,293 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 7390 transitions. Word has length 120 [2024-11-07 23:16:44,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:44,294 INFO L471 AbstractCegarLoop]: Abstraction has 5182 states and 7390 transitions. [2024-11-07 23:16:44,294 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 23:16:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 7390 transitions. [2024-11-07 23:16:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-07 23:16:44,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:44,298 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 23:16:44,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:16:44,298 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 23:16:44,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:44,298 INFO L85 PathProgramCache]: Analyzing trace with hash -543684962, now seen corresponding path program 1 times [2024-11-07 23:16:44,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:44,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3211787] [2024-11-07 23:16:44,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:44,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:44,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:16:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:44,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:16:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:44,567 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 23:16:44,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3211787] [2024-11-07 23:16:44,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3211787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694308439] [2024-11-07 23:16:44,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:44,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:44,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:44,571 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 23:16:44,572 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 23:16:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:44,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 23:16:44,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:44,960 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 23:16:44,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:44,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694308439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:44,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:44,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-07 23:16:44,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720346623] [2024-11-07 23:16:44,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:44,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:16:44,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:44,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:16:44,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:16:44,962 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 23:16:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:45,104 INFO L93 Difference]: Finished difference Result 9710 states and 13884 transitions. [2024-11-07 23:16:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:16:45,105 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 23:16:45,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:45,114 INFO L225 Difference]: With dead ends: 9710 [2024-11-07 23:16:45,114 INFO L226 Difference]: Without dead ends: 4932 [2024-11-07 23:16:45,120 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 23:16:45,120 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 23:16:45,120 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 23:16:45,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2024-11-07 23:16:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2024-11-07 23:16:45,196 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 23:16:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 7048 transitions. [2024-11-07 23:16:45,203 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 7048 transitions. Word has length 127 [2024-11-07 23:16:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:45,203 INFO L471 AbstractCegarLoop]: Abstraction has 4932 states and 7048 transitions. [2024-11-07 23:16:45,204 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 23:16:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 7048 transitions. [2024-11-07 23:16:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 23:16:45,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:45,206 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 23:16:45,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 23:16:45,406 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 23:16:45,407 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 23:16:45,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:45,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1097892489, now seen corresponding path program 1 times [2024-11-07 23:16:45,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:45,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373071980] [2024-11-07 23:16:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 23:16:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:45,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 23:16:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 23:16:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:45,743 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 23:16:45,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:45,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373071980] [2024-11-07 23:16:45,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373071980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:45,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756187173] [2024-11-07 23:16:45,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:45,746 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 23:16:45,747 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 23:16:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:46,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-07 23:16:46,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:46,043 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 23:16:46,057 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 23:16:46,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-07 23:16:46,573 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 23:16:46,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:46,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756187173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:46,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:46,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-07 23:16:46,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763954147] [2024-11-07 23:16:46,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:46,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:16:46,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:46,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:16:46,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:16:46,576 INFO L87 Difference]: Start difference. First operand 4932 states and 7048 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 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 23:16:47,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:47,876 INFO L93 Difference]: Finished difference Result 11190 states and 16015 transitions. [2024-11-07 23:16:47,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:16:47,876 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 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 23:16:47,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:47,889 INFO L225 Difference]: With dead ends: 11190 [2024-11-07 23:16:47,889 INFO L226 Difference]: Without dead ends: 6347 [2024-11-07 23:16:47,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-07 23:16:47,897 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 830 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:47,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 3412 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 23:16:47,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6347 states. [2024-11-07 23:16:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6347 to 4958. [2024-11-07 23:16:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4958 states, 4810 states have (on average 1.4241164241164241) internal successors, (6850), 4829 states have internal predecessors, (6850), 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 23:16:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4958 states and 7079 transitions. [2024-11-07 23:16:48,029 INFO L78 Accepts]: Start accepts. Automaton has 4958 states and 7079 transitions. Word has length 132 [2024-11-07 23:16:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:48,029 INFO L471 AbstractCegarLoop]: Abstraction has 4958 states and 7079 transitions. [2024-11-07 23:16:48,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 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 23:16:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4958 states and 7079 transitions. [2024-11-07 23:16:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 23:16:48,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:48,030 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 23:16:48,048 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 23:16:48,234 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,SelfDestructingSolverStorable14 [2024-11-07 23:16:48,235 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 23:16:48,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:48,235 INFO L85 PathProgramCache]: Analyzing trace with hash -677775912, now seen corresponding path program 1 times [2024-11-07 23:16:48,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:48,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372512145] [2024-11-07 23:16:48,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:48,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:16:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 23:16:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 23:16:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 23:16:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,572 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 23:16:48,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:48,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372512145] [2024-11-07 23:16:48,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372512145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:48,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609974240] [2024-11-07 23:16:48,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:48,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:48,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:48,574 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 23:16:48,577 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 23:16:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:48,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 23:16:48,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:49,150 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 23:16:49,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:49,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609974240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:49,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:49,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-07 23:16:49,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572698357] [2024-11-07 23:16:49,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:49,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:16:49,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:49,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:16:49,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:16:49,152 INFO L87 Difference]: Start difference. First operand 4958 states and 7079 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 23:16:49,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:49,613 INFO L93 Difference]: Finished difference Result 10282 states and 14660 transitions. [2024-11-07 23:16:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:16:49,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 133 [2024-11-07 23:16:49,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:49,623 INFO L225 Difference]: With dead ends: 10282 [2024-11-07 23:16:49,623 INFO L226 Difference]: Without dead ends: 5439 [2024-11-07 23:16:49,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 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 23:16:49,629 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 15 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:49,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2936 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:16:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2024-11-07 23:16:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5387. [2024-11-07 23:16:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5239 states have (on average 1.4105745371254057) internal successors, (7390), 5258 states have internal predecessors, (7390), 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 23:16:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7619 transitions. [2024-11-07 23:16:49,724 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7619 transitions. Word has length 133 [2024-11-07 23:16:49,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:49,726 INFO L471 AbstractCegarLoop]: Abstraction has 5387 states and 7619 transitions. [2024-11-07 23:16:49,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 23:16:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7619 transitions. [2024-11-07 23:16:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 23:16:49,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:49,727 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] [2024-11-07 23:16:49,742 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 23:16:49,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:49,928 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 23:16:49,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1419960021, now seen corresponding path program 1 times [2024-11-07 23:16:49,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:49,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432043971] [2024-11-07 23:16:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:49,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:50,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:16:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:50,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 23:16:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:50,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 23:16:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:50,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 23:16:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:50,210 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 23:16:50,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:50,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432043971] [2024-11-07 23:16:50,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432043971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:50,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:50,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:16:50,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136599145] [2024-11-07 23:16:50,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:50,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:16:50,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:50,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:16:50,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:16:50,212 INFO L87 Difference]: Start difference. First operand 5387 states and 7619 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 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 23:16:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:50,778 INFO L93 Difference]: Finished difference Result 10690 states and 15136 transitions. [2024-11-07 23:16:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:16:50,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 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 135 [2024-11-07 23:16:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:50,787 INFO L225 Difference]: With dead ends: 10690 [2024-11-07 23:16:50,788 INFO L226 Difference]: Without dead ends: 5426 [2024-11-07 23:16:50,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:16:50,794 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 51 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:50,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 2923 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:16:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5426 states. [2024-11-07 23:16:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5426 to 5426. [2024-11-07 23:16:50,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5426 states, 5278 states have (on average 1.407540735126942) internal successors, (7429), 5297 states have internal predecessors, (7429), 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 23:16:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5426 states to 5426 states and 7658 transitions. [2024-11-07 23:16:50,871 INFO L78 Accepts]: Start accepts. Automaton has 5426 states and 7658 transitions. Word has length 135 [2024-11-07 23:16:50,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:50,871 INFO L471 AbstractCegarLoop]: Abstraction has 5426 states and 7658 transitions. [2024-11-07 23:16:50,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 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 23:16:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 5426 states and 7658 transitions. [2024-11-07 23:16:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 23:16:50,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:50,873 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] [2024-11-07 23:16:50,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 23:16:50,873 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 23:16:50,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:50,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2006348479, now seen corresponding path program 1 times [2024-11-07 23:16:50,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:50,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376919141] [2024-11-07 23:16:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:50,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:16:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 23:16:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 23:16:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 23:16:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:51,139 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 23:16:51,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:51,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376919141] [2024-11-07 23:16:51,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376919141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:51,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:51,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:16:51,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352686520] [2024-11-07 23:16:51,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:51,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:16:51,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:51,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:16:51,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:16:51,142 INFO L87 Difference]: Start difference. First operand 5426 states and 7658 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 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 23:16:51,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:51,848 INFO L93 Difference]: Finished difference Result 10819 states and 15299 transitions. [2024-11-07 23:16:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:16:51,849 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 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 135 [2024-11-07 23:16:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:51,861 INFO L225 Difference]: With dead ends: 10819 [2024-11-07 23:16:51,861 INFO L226 Difference]: Without dead ends: 5530 [2024-11-07 23:16:51,868 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 23:16:51,868 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 55 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 3747 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:51,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 3747 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:16:51,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2024-11-07 23:16:51,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5439. [2024-11-07 23:16:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5291 states have (on average 1.408996408996409) internal successors, (7455), 5310 states have internal predecessors, (7455), 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 23:16:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7684 transitions. [2024-11-07 23:16:51,943 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7684 transitions. Word has length 135 [2024-11-07 23:16:51,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:51,943 INFO L471 AbstractCegarLoop]: Abstraction has 5439 states and 7684 transitions. [2024-11-07 23:16:51,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 7 states have internal predecessors, (114), 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 23:16:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7684 transitions. [2024-11-07 23:16:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 23:16:51,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:51,945 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 23:16:51,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:16:51,945 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 23:16:51,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:51,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1122495714, now seen corresponding path program 1 times [2024-11-07 23:16:51,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:51,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723208894] [2024-11-07 23:16:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:51,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 23:16:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:16:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 23:16:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 23:16:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,318 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 23:16:52,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:52,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723208894] [2024-11-07 23:16:52,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723208894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:52,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450274484] [2024-11-07 23:16:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:52,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:52,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:52,325 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 23:16:52,326 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 23:16:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:52,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 23:16:52,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:52,784 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 23:16:52,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:52,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450274484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:52,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:52,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-07 23:16:52,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099622719] [2024-11-07 23:16:52,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:52,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:16:52,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:52,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:16:52,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:16:52,785 INFO L87 Difference]: Start difference. First operand 5439 states and 7684 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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 23:16:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:53,462 INFO L93 Difference]: Finished difference Result 10930 states and 15432 transitions. [2024-11-07 23:16:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 23:16:53,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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 136 [2024-11-07 23:16:53,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:53,474 INFO L225 Difference]: With dead ends: 10930 [2024-11-07 23:16:53,474 INFO L226 Difference]: Without dead ends: 5634 [2024-11-07 23:16:53,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:16:53,480 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 41 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 3494 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:53,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 3494 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:16:53,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5634 states. [2024-11-07 23:16:53,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5634 to 5504. [2024-11-07 23:16:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5504 states, 5356 states have (on average 1.4064600448095594) internal successors, (7533), 5375 states have internal predecessors, (7533), 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 23:16:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7762 transitions. [2024-11-07 23:16:53,602 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7762 transitions. Word has length 136 [2024-11-07 23:16:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:53,602 INFO L471 AbstractCegarLoop]: Abstraction has 5504 states and 7762 transitions. [2024-11-07 23:16:53,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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 23:16:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7762 transitions. [2024-11-07 23:16:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 23:16:53,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:53,604 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 23:16:53,619 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 23:16:53,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:53,807 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 23:16:53,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:53,808 INFO L85 PathProgramCache]: Analyzing trace with hash -154304966, now seen corresponding path program 1 times [2024-11-07 23:16:53,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:53,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215551283] [2024-11-07 23:16:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:54,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 23:16:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:54,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:54,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 23:16:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:54,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 23:16:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:54,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-07 23:16:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:54,096 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 23:16:54,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:54,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215551283] [2024-11-07 23:16:54,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215551283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:54,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:54,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:16:54,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264006872] [2024-11-07 23:16:54,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:54,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:16:54,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:16:54,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:16:54,097 INFO L87 Difference]: Start difference. First operand 5504 states and 7762 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 23:16:54,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:54,786 INFO L93 Difference]: Finished difference Result 11029 states and 15556 transitions. [2024-11-07 23:16:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:16:54,786 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 23:16:54,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:54,811 INFO L225 Difference]: With dead ends: 11029 [2024-11-07 23:16:54,811 INFO L226 Difference]: Without dead ends: 5673 [2024-11-07 23:16:54,817 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 23:16:54,819 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 63 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:54,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 3926 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:16:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5673 states. [2024-11-07 23:16:54,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5673 to 5595. [2024-11-07 23:16:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5447 states have (on average 1.4044428125573711) internal successors, (7650), 5466 states have internal predecessors, (7650), 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 23:16:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7879 transitions. [2024-11-07 23:16:54,953 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7879 transitions. Word has length 136 [2024-11-07 23:16:54,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:54,954 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7879 transitions. [2024-11-07 23:16:54,954 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 23:16:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7879 transitions. [2024-11-07 23:16:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 23:16:54,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:54,955 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 23:16:54,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 23:16:54,955 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 23:16:54,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash -977845465, now seen corresponding path program 1 times [2024-11-07 23:16:54,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:54,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902776532] [2024-11-07 23:16:54,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:54,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:16:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:16:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 23:16:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 23:16:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,283 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 23:16:55,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:55,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902776532] [2024-11-07 23:16:55,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902776532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:55,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30692767] [2024-11-07 23:16:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:55,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:55,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:55,289 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 23:16:55,289 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 23:16:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:55,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 23:16:55,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:55,776 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 23:16:55,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:55,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30692767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:55,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:55,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-07 23:16:55,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281079581] [2024-11-07 23:16:55,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:55,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:16:55,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:16:55,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:16:55,777 INFO L87 Difference]: Start difference. First operand 5595 states and 7879 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 23:16:55,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:55,930 INFO L93 Difference]: Finished difference Result 8801 states and 12386 transitions. [2024-11-07 23:16:55,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:16:55,930 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 23:16:55,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:55,938 INFO L225 Difference]: With dead ends: 8801 [2024-11-07 23:16:55,938 INFO L226 Difference]: Without dead ends: 3384 [2024-11-07 23:16:55,942 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 23:16:55,943 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 23:16:55,943 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 23:16:55,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2024-11-07 23:16:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 3382. [2024-11-07 23:16:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3280 states have (on average 1.403048780487805) internal successors, (4602), 3296 states have internal predecessors, (4602), 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 23:16:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 4721 transitions. [2024-11-07 23:16:55,998 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 4721 transitions. Word has length 137 [2024-11-07 23:16:55,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:55,998 INFO L471 AbstractCegarLoop]: Abstraction has 3382 states and 4721 transitions. [2024-11-07 23:16:55,998 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 23:16:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 4721 transitions. [2024-11-07 23:16:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-07 23:16:56,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:56,000 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 23:16:56,015 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 23:16:56,204 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 23:16:56,205 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 23:16:56,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:56,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1601368001, now seen corresponding path program 1 times [2024-11-07 23:16:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219971741] [2024-11-07 23:16:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:56,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:16:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:16:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 23:16:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 23:16:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,541 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 23:16:56,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219971741] [2024-11-07 23:16:56,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219971741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923818983] [2024-11-07 23:16:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:56,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:56,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:56,543 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 23:16:56,544 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 23:16:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:56,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 23:16:56,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 23:16:57,015 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:16:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 23:16:57,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923818983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:16:57,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:16:57,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 6] total 16 [2024-11-07 23:16:57,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760421809] [2024-11-07 23:16:57,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:16:57,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 23:16:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:57,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 23:16:57,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:16:57,150 INFO L87 Difference]: Start difference. First operand 3382 states and 4721 transitions. Second operand has 16 states, 16 states have (on average 9.0) internal successors, (144), 14 states have internal predecessors, (144), 2 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 23:16:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:57,938 INFO L93 Difference]: Finished difference Result 6641 states and 9287 transitions. [2024-11-07 23:16:57,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 23:16:57,939 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.0) internal successors, (144), 14 states have internal predecessors, (144), 2 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 139 [2024-11-07 23:16:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:57,952 INFO L225 Difference]: With dead ends: 6641 [2024-11-07 23:16:57,952 INFO L226 Difference]: Without dead ends: 3440 [2024-11-07 23:16:57,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2024-11-07 23:16:57,959 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 85 mSDsluCounter, 5627 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 6207 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:57,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 6207 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:16:57,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3440 states. [2024-11-07 23:16:58,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3440 to 3420. [2024-11-07 23:16:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3420 states, 3317 states have (on average 1.4015676816400362) internal successors, (4649), 3330 states have internal predecessors, (4649), 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 23:16:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3420 states and 4764 transitions. [2024-11-07 23:16:58,008 INFO L78 Accepts]: Start accepts. Automaton has 3420 states and 4764 transitions. Word has length 139 [2024-11-07 23:16:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:58,008 INFO L471 AbstractCegarLoop]: Abstraction has 3420 states and 4764 transitions. [2024-11-07 23:16:58,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.0) internal successors, (144), 14 states have internal predecessors, (144), 2 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 23:16:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 4764 transitions. [2024-11-07 23:16:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-07 23:16:58,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:58,010 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:16:58,026 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 23:16:58,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:58,213 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 23:16:58,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:58,214 INFO L85 PathProgramCache]: Analyzing trace with hash 111858439, now seen corresponding path program 2 times [2024-11-07 23:16:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:58,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099089856] [2024-11-07 23:16:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:58,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:58,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:16:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:16:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 23:16:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:16:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 23:16:58,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:58,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099089856] [2024-11-07 23:16:58,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099089856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:58,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036548538] [2024-11-07 23:16:58,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:16:58,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:58,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:58,653 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 23:16:58,654 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 23:16:58,970 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 23:16:58,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:16:58,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:16:58,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:58,984 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 23:16:58,992 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 23:16:58,992 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:58,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036548538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:58,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:58,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2024-11-07 23:16:58,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776948863] [2024-11-07 23:16:58,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:58,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:16:58,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:58,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:16:58,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:16:58,994 INFO L87 Difference]: Start difference. First operand 3420 states and 4764 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:16:59,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:59,058 INFO L93 Difference]: Finished difference Result 3420 states and 4764 transitions. [2024-11-07 23:16:59,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:16:59,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 143 [2024-11-07 23:16:59,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:59,066 INFO L225 Difference]: With dead ends: 3420 [2024-11-07 23:16:59,066 INFO L226 Difference]: Without dead ends: 3419 [2024-11-07 23:16:59,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:16:59,067 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 23:16:59,067 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 23:16:59,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2024-11-07 23:16:59,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3419. [2024-11-07 23:16:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 3317 states have (on average 1.399758818209225) internal successors, (4643), 3329 states have internal predecessors, (4643), 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 23:16:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4758 transitions. [2024-11-07 23:16:59,156 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4758 transitions. Word has length 143 [2024-11-07 23:16:59,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:59,156 INFO L471 AbstractCegarLoop]: Abstraction has 3419 states and 4758 transitions. [2024-11-07 23:16:59,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-07 23:16:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4758 transitions. [2024-11-07 23:16:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-07 23:16:59,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:59,158 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:16:59,171 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 23:16:59,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:59,359 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:16:59,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:59,359 INFO L85 PathProgramCache]: Analyzing trace with hash -827355584, now seen corresponding path program 1 times [2024-11-07 23:16:59,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:59,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375927794] [2024-11-07 23:16:59,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:59,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:59,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:16:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:59,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:16:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:59,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:16:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 23:16:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 23:16:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 23:16:59,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:59,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375927794] [2024-11-07 23:16:59,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375927794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:59,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145005707] [2024-11-07 23:16:59,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:59,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:59,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:59,811 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 23:16:59,812 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 23:17:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:00,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-07 23:17:00,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 23:17:00,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:17:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 23:17:00,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145005707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:17:00,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:17:00,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 22 [2024-11-07 23:17:00,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675697541] [2024-11-07 23:17:00,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:17:00,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 23:17:00,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:00,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 23:17:00,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:17:00,495 INFO L87 Difference]: Start difference. First operand 3419 states and 4758 transitions. Second operand has 22 states, 22 states have (on average 7.5) internal successors, (165), 20 states have internal predecessors, (165), 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 23:17:01,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:01,586 INFO L93 Difference]: Finished difference Result 6289 states and 8725 transitions. [2024-11-07 23:17:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-07 23:17:01,587 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.5) internal successors, (165), 20 states have internal predecessors, (165), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 144 [2024-11-07 23:17:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:01,592 INFO L225 Difference]: With dead ends: 6289 [2024-11-07 23:17:01,592 INFO L226 Difference]: Without dead ends: 2897 [2024-11-07 23:17:01,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=319, Invalid=1751, Unknown=0, NotChecked=0, Total=2070 [2024-11-07 23:17:01,595 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 114 mSDsluCounter, 7604 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 8094 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:01,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 8094 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:17:01,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2024-11-07 23:17:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2883. [2024-11-07 23:17:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2781 states have (on average 1.3811578568860123) internal successors, (3841), 2793 states have internal predecessors, (3841), 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 23:17:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 3956 transitions. [2024-11-07 23:17:01,644 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 3956 transitions. Word has length 144 [2024-11-07 23:17:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:01,644 INFO L471 AbstractCegarLoop]: Abstraction has 2883 states and 3956 transitions. [2024-11-07 23:17:01,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.5) internal successors, (165), 20 states have internal predecessors, (165), 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 23:17:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 3956 transitions. [2024-11-07 23:17:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-07 23:17:01,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:01,646 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:01,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 23:17:01,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-07 23:17:01,850 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:17:01,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:01,850 INFO L85 PathProgramCache]: Analyzing trace with hash 786130944, now seen corresponding path program 2 times [2024-11-07 23:17:01,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:01,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679530395] [2024-11-07 23:17:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:01,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 23:17:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:02,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 23:17:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 7 proven. 61 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 23:17:02,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:02,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679530395] [2024-11-07 23:17:02,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679530395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:02,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165774065] [2024-11-07 23:17:02,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:17:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:02,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:02,382 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 23:17:02,384 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 23:17:02,964 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:17:02,965 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:17:02,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-07 23:17:02,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 55 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 23:17:03,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:17:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 7 proven. 61 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 23:17:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165774065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:17:03,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:17:03,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 11] total 33 [2024-11-07 23:17:03,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158583263] [2024-11-07 23:17:03,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:17:03,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-07 23:17:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:03,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-07 23:17:03,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=858, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 23:17:03,422 INFO L87 Difference]: Start difference. First operand 2883 states and 3956 transitions. Second operand has 33 states, 33 states have (on average 5.303030303030303) internal successors, (175), 31 states have internal predecessors, (175), 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 23:17:05,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:05,197 INFO L93 Difference]: Finished difference Result 5751 states and 7936 transitions. [2024-11-07 23:17:05,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-07 23:17:05,197 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 5.303030303030303) internal successors, (175), 31 states have internal predecessors, (175), 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 148 [2024-11-07 23:17:05,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:05,203 INFO L225 Difference]: With dead ends: 5751 [2024-11-07 23:17:05,203 INFO L226 Difference]: Without dead ends: 2962 [2024-11-07 23:17:05,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 997 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=797, Invalid=3895, Unknown=0, NotChecked=0, Total=4692 [2024-11-07 23:17:05,207 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 137 mSDsluCounter, 6823 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 7325 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:05,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 7325 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:17:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2024-11-07 23:17:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2940. [2024-11-07 23:17:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2838 states have (on average 1.3745595489781537) internal successors, (3901), 2850 states have internal predecessors, (3901), 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 23:17:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4016 transitions. [2024-11-07 23:17:05,263 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4016 transitions. Word has length 148 [2024-11-07 23:17:05,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:05,263 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 4016 transitions. [2024-11-07 23:17:05,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.303030303030303) internal successors, (175), 31 states have internal predecessors, (175), 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 23:17:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4016 transitions. [2024-11-07 23:17:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 23:17:05,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:05,264 INFO L215 NwaCegarLoop]: trace histogram [21, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:05,280 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 23:17:05,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-07 23:17:05,469 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 23:17:05,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:05,469 INFO L85 PathProgramCache]: Analyzing trace with hash -989153171, now seen corresponding path program 3 times [2024-11-07 23:17:05,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:05,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181199851] [2024-11-07 23:17:05,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:05,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:06,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:06,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 23:17:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 23:17:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 230 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 23:17:06,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:06,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181199851] [2024-11-07 23:17:06,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181199851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:06,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557376994] [2024-11-07 23:17:06,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 23:17:06,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:06,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:06,444 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 23:17:06,449 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 23:17:08,119 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 23:17:08,119 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:17:08,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 23:17:08,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-07 23:17:08,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:17:08,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557376994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:17:08,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:17:08,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [21] total 31 [2024-11-07 23:17:08,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213869866] [2024-11-07 23:17:08,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:17:08,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:17:08,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:08,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:17:08,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2024-11-07 23:17:08,751 INFO L87 Difference]: Start difference. First operand 2940 states and 4016 transitions. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 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 23:17:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:09,351 INFO L93 Difference]: Finished difference Result 5810 states and 7946 transitions. [2024-11-07 23:17:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:17:09,351 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 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 159 [2024-11-07 23:17:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:09,357 INFO L225 Difference]: With dead ends: 5810 [2024-11-07 23:17:09,357 INFO L226 Difference]: Without dead ends: 2940 [2024-11-07 23:17:09,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2024-11-07 23:17:09,359 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 11 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4597 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:09,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4597 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:17:09,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2024-11-07 23:17:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2926. [2024-11-07 23:17:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2824 states have (on average 1.3739376770538243) internal successors, (3880), 2836 states have internal predecessors, (3880), 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 23:17:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3995 transitions. [2024-11-07 23:17:09,415 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3995 transitions. Word has length 159 [2024-11-07 23:17:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:09,415 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3995 transitions. [2024-11-07 23:17:09,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 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 23:17:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3995 transitions. [2024-11-07 23:17:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 23:17:09,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:09,416 INFO L215 NwaCegarLoop]: trace histogram [21, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:09,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-07 23:17:09,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:09,617 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 23:17:09,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1683906579, now seen corresponding path program 1 times [2024-11-07 23:17:09,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:09,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161141739] [2024-11-07 23:17:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 23:17:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 23:17:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 230 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 23:17:10,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161141739] [2024-11-07 23:17:10,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161141739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:10,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058837166] [2024-11-07 23:17:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:10,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:10,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:10,473 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 23:17:10,474 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 23:17:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:10,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 23:17:10,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-07 23:17:11,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:17:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058837166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:17:11,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:17:11,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 26 [2024-11-07 23:17:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037388111] [2024-11-07 23:17:11,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:17:11,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:17:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:11,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:17:11,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2024-11-07 23:17:11,086 INFO L87 Difference]: Start difference. First operand 2926 states and 3995 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 23:17:11,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:11,334 INFO L93 Difference]: Finished difference Result 5828 states and 7970 transitions. [2024-11-07 23:17:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:17:11,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 159 [2024-11-07 23:17:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:11,341 INFO L225 Difference]: With dead ends: 5828 [2024-11-07 23:17:11,341 INFO L226 Difference]: Without dead ends: 2975 [2024-11-07 23:17:11,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2024-11-07 23:17:11,343 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 40 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:11,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2788 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:17:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2024-11-07 23:17:11,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2940. [2024-11-07 23:17:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2838 states have (on average 1.372093023255814) internal successors, (3894), 2850 states have internal predecessors, (3894), 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 23:17:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4009 transitions. [2024-11-07 23:17:11,400 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4009 transitions. Word has length 159 [2024-11-07 23:17:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:11,400 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 4009 transitions. [2024-11-07 23:17:11,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 23:17:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4009 transitions. [2024-11-07 23:17:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-07 23:17:11,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:11,401 INFO L215 NwaCegarLoop]: trace histogram [21, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:11,417 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 23:17:11,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:11,602 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 23:17:11,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:11,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1129072826, now seen corresponding path program 1 times [2024-11-07 23:17:11,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:11,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476559637] [2024-11-07 23:17:11,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:11,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 23:17:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 23:17:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 230 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 23:17:12,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:12,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476559637] [2024-11-07 23:17:12,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476559637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399319439] [2024-11-07 23:17:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:12,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:12,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:12,421 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:17:12,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 23:17:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:12,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-07 23:17:12,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 140 proven. 105 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 23:17:13,459 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:17:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 230 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 23:17:14,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399319439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:17:14,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:17:14,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23, 19] total 57 [2024-11-07 23:17:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878602030] [2024-11-07 23:17:14,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:17:14,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-07 23:17:14,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-07 23:17:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=2554, Unknown=0, NotChecked=0, Total=3192 [2024-11-07 23:17:14,195 INFO L87 Difference]: Start difference. First operand 2940 states and 4009 transitions. Second operand has 57 states, 57 states have (on average 3.491228070175439) internal successors, (199), 55 states have internal predecessors, (199), 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 23:17:20,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:20,856 INFO L93 Difference]: Finished difference Result 5936 states and 8193 transitions. [2024-11-07 23:17:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-07 23:17:20,856 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 3.491228070175439) internal successors, (199), 55 states have internal predecessors, (199), 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 159 [2024-11-07 23:17:20,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:20,874 INFO L225 Difference]: With dead ends: 5936 [2024-11-07 23:17:20,874 INFO L226 Difference]: Without dead ends: 3098 [2024-11-07 23:17:20,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3093 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=2525, Invalid=11047, Unknown=0, NotChecked=0, Total=13572 [2024-11-07 23:17:20,883 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 169 mSDsluCounter, 13232 mSDsCounter, 0 mSdLazyCounter, 2424 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 13734 SdHoareTripleChecker+Invalid, 2505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:20,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 13734 Invalid, 2505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2424 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 23:17:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2024-11-07 23:17:20,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 3060. [2024-11-07 23:17:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 2958 states have (on average 1.3597025016903312) internal successors, (4022), 2970 states have internal predecessors, (4022), 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 23:17:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4137 transitions. [2024-11-07 23:17:20,982 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4137 transitions. Word has length 159 [2024-11-07 23:17:20,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:20,983 INFO L471 AbstractCegarLoop]: Abstraction has 3060 states and 4137 transitions. [2024-11-07 23:17:20,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.491228070175439) internal successors, (199), 55 states have internal predecessors, (199), 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 23:17:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4137 transitions. [2024-11-07 23:17:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-07 23:17:20,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:20,984 INFO L215 NwaCegarLoop]: trace histogram [45, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:21,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-07 23:17:21,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 23:17:21,189 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:17:21,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:21,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2108584250, now seen corresponding path program 2 times [2024-11-07 23:17:21,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:21,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060459298] [2024-11-07 23:17:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:22,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:22,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:22,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 23:17:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 23:17:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:23,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 7 proven. 966 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-07 23:17:23,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:23,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060459298] [2024-11-07 23:17:23,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060459298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:23,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444834623] [2024-11-07 23:17:23,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:17:23,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:23,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:23,109 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:17:23,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 23:17:24,324 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:17:24,325 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:17:24,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-07 23:17:24,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 516 proven. 465 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-07 23:17:25,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:17:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 7 proven. 966 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-07 23:17:27,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444834623] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:17:27,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:17:27,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 39, 35] total 105 [2024-11-07 23:17:27,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010085541] [2024-11-07 23:17:27,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:17:27,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-11-07 23:17:27,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:27,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-11-07 23:17:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1980, Invalid=8940, Unknown=0, NotChecked=0, Total=10920 [2024-11-07 23:17:27,970 INFO L87 Difference]: Start difference. First operand 3060 states and 4137 transitions. Second operand has 105 states, 105 states have (on average 2.3523809523809525) internal successors, (247), 103 states have internal predecessors, (247), 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 23:17:39,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:39,078 INFO L93 Difference]: Finished difference Result 6204 states and 8521 transitions. [2024-11-07 23:17:39,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-07 23:17:39,079 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 105 states have (on average 2.3523809523809525) internal successors, (247), 103 states have internal predecessors, (247), 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 183 [2024-11-07 23:17:39,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:39,089 INFO L225 Difference]: With dead ends: 6204 [2024-11-07 23:17:39,095 INFO L226 Difference]: Without dead ends: 3262 [2024-11-07 23:17:39,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8593 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=6542, Invalid=31288, Unknown=0, NotChecked=0, Total=37830 [2024-11-07 23:17:39,104 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 170 mSDsluCounter, 19148 mSDsCounter, 0 mSdLazyCounter, 4777 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 19650 SdHoareTripleChecker+Invalid, 4894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 4777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:39,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 19650 Invalid, 4894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 4777 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 23:17:39,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-11-07 23:17:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3192. [2024-11-07 23:17:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3090 states have (on average 1.3495145631067962) internal successors, (4170), 3102 states have internal predecessors, (4170), 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 23:17:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 4285 transitions. [2024-11-07 23:17:39,287 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 4285 transitions. Word has length 183 [2024-11-07 23:17:39,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:39,287 INFO L471 AbstractCegarLoop]: Abstraction has 3192 states and 4285 transitions. [2024-11-07 23:17:39,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 2.3523809523809525) internal successors, (247), 103 states have internal predecessors, (247), 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 23:17:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 4285 transitions. [2024-11-07 23:17:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-07 23:17:39,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:39,288 INFO L215 NwaCegarLoop]: trace histogram [75, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:39,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 23:17:39,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:39,493 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:17:39,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1702131174, now seen corresponding path program 3 times [2024-11-07 23:17:39,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:39,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118115829] [2024-11-07 23:17:39,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:39,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:40,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:40,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:40,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:40,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 23:17:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 23:17:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 1452 proven. 496 refuted. 0 times theorem prover too weak. 998 trivial. 0 not checked. [2024-11-07 23:17:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:41,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118115829] [2024-11-07 23:17:41,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118115829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095952099] [2024-11-07 23:17:41,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 23:17:41,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:41,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:41,724 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:17:41,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 23:17:42,442 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 23:17:42,442 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:17:42,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 23:17:42,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2939 trivial. 0 not checked. [2024-11-07 23:17:42,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:17:42,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095952099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:17:42,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:17:42,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [38] total 43 [2024-11-07 23:17:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464228304] [2024-11-07 23:17:42,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:17:42,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:17:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:42,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:17:42,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1692, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 23:17:42,774 INFO L87 Difference]: Start difference. First operand 3192 states and 4285 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 23:17:43,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:43,276 INFO L93 Difference]: Finished difference Result 6349 states and 8542 transitions. [2024-11-07 23:17:43,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:17:43,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 213 [2024-11-07 23:17:43,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:43,291 INFO L225 Difference]: With dead ends: 6349 [2024-11-07 23:17:43,295 INFO L226 Difference]: Without dead ends: 3227 [2024-11-07 23:17:43,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=1692, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 23:17:43,299 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 10 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:43,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2777 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:17:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2024-11-07 23:17:43,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 3192. [2024-11-07 23:17:43,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3090 states have (on average 1.3495145631067962) internal successors, (4170), 3102 states have internal predecessors, (4170), 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 23:17:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 4285 transitions. [2024-11-07 23:17:43,427 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 4285 transitions. Word has length 213 [2024-11-07 23:17:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:43,427 INFO L471 AbstractCegarLoop]: Abstraction has 3192 states and 4285 transitions. [2024-11-07 23:17:43,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 23:17:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 4285 transitions. [2024-11-07 23:17:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-07 23:17:43,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:43,428 INFO L215 NwaCegarLoop]: trace histogram [75, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:17:43,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-07 23:17:43,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:43,629 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:17:43,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:43,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1818695217, now seen corresponding path program 1 times [2024-11-07 23:17:43,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774360856] [2024-11-07 23:17:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:17:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 23:17:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:44,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 23:17:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:44,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-07 23:17:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2939 trivial. 0 not checked. [2024-11-07 23:17:44,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:44,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774360856] [2024-11-07 23:17:44,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774360856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:17:44,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:17:44,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 23:17:44,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655214803] [2024-11-07 23:17:44,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:17:44,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:17:44,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:17:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:17:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:17:44,268 INFO L87 Difference]: Start difference. First operand 3192 states and 4285 transitions. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 10 states have internal predecessors, (118), 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 23:17:44,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:17:44,954 INFO L93 Difference]: Finished difference Result 6377 states and 8582 transitions. [2024-11-07 23:17:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:17:44,954 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 10 states have internal predecessors, (118), 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 213 [2024-11-07 23:17:44,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:17:44,960 INFO L225 Difference]: With dead ends: 6377 [2024-11-07 23:17:44,960 INFO L226 Difference]: Without dead ends: 3255 [2024-11-07 23:17:44,962 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 23:17:44,963 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 69 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 3931 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:17:44,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 3931 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:17:44,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2024-11-07 23:17:45,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3213. [2024-11-07 23:17:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 3111 states have (on average 1.347155255544841) internal successors, (4191), 3123 states have internal predecessors, (4191), 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 23:17:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4306 transitions. [2024-11-07 23:17:45,075 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4306 transitions. Word has length 213 [2024-11-07 23:17:45,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:17:45,075 INFO L471 AbstractCegarLoop]: Abstraction has 3213 states and 4306 transitions. [2024-11-07 23:17:45,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 10 states have internal predecessors, (118), 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 23:17:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4306 transitions. [2024-11-07 23:17:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-07 23:17:45,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:17:45,076 INFO L215 NwaCegarLoop]: trace histogram [75, 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 23:17:45,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 23:17:45,076 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:17:45,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:17:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1065241785, now seen corresponding path program 1 times [2024-11-07 23:17:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:17:45,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607108251] [2024-11-07 23:17:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:17:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:17:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:46,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 23:17:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 23:17:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 23:17:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:46,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 23:17:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 1452 proven. 496 refuted. 0 times theorem prover too weak. 998 trivial. 0 not checked. [2024-11-07 23:17:47,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:17:47,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607108251] [2024-11-07 23:17:47,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607108251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:17:47,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99515405] [2024-11-07 23:17:47,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:17:47,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:17:47,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:17:47,645 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:17:47,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 23:17:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:17:53,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 1931 conjuncts, 602 conjuncts are in the unsatisfiable core [2024-11-07 23:17:53,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:17:53,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-07 23:17:53,530 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-07 23:17:53,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-07 23:17:53,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 23:17:53,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:17:53,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-07 23:17:53,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3