./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/list-simple/dll2c_insert_unequal.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/list-simple/dll2c_insert_unequal.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', '1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8'] 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/list-simple/dll2c_insert_unequal.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 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:05:40,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:05:40,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:05:40,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:05:40,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:05:40,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:05:40,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:05:40,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:05:40,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:05:40,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:05:40,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:05:40,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:05:40,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:05:40,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:05:40,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:05:40,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:05:40,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:05:40,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:05:40,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:05:40,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:05:40,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:05:40,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:05:40,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:05:40,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:05:40,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:05:40,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:05:40,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:05:40,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:05:40,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:05:40,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:05:40,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:05:40,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:05:40,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:05:40,687 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 -> 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 [2024-11-07 20:05:40,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:05:40,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:05:40,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:05:40,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:05:40,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:05:40,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2024-11-07 20:05:42,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:05:42,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:05:42,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2024-11-07 20:05:42,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08937ef86/6b92d1b9e3f146a8b7c3ff629ad588c8/FLAGee1fdd1d9 [2024-11-07 20:05:42,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08937ef86/6b92d1b9e3f146a8b7c3ff629ad588c8 [2024-11-07 20:05:42,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:05:42,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:05:42,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:05:42,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:05:42,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:05:42,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f62179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42, skipping insertion in model container [2024-11-07 20:05:42,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:05:42,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:05:42,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:05:42,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:05:42,925 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:05:42,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42 WrapperNode [2024-11-07 20:05:42,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:05:42,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:05:42,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:05:42,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:05:42,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,955 INFO L138 Inliner]: procedures = 127, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 203 [2024-11-07 20:05:42,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:05:42,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:05:42,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:05:42,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:05:42,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,987 INFO L175 MemorySlicer]: Split 40 memory accesses to 3 slices as follows [2, 26, 12]. 65 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 18 writes are split as follows [0, 17, 1]. [2024-11-07 20:05:42,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:42,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:43,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:43,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:43,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:43,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:05:43,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:05:43,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:05:43,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:05:43,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (1/1) ... [2024-11-07 20:05:43,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:05:43,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:43,044 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 20:05:43,049 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 20:05:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 20:05:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 20:05:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 20:05:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 20:05:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 20:05:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 20:05:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-11-07 20:05:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 20:05:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 20:05:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 20:05:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 20:05:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:05:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 20:05:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 20:05:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:05:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:05:43,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:05:43,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:05:43,431 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-07 20:05:43,431 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:05:43,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:05:43,466 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-07 20:05:43,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:05:43 BoogieIcfgContainer [2024-11-07 20:05:43,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:05:43,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:05:43,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:05:43,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:05:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:05:42" (1/3) ... [2024-11-07 20:05:43,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0da573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:05:43, skipping insertion in model container [2024-11-07 20:05:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:05:42" (2/3) ... [2024-11-07 20:05:43,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0da573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:05:43, skipping insertion in model container [2024-11-07 20:05:43,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:05:43" (3/3) ... [2024-11-07 20:05:43,474 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_insert_unequal.i [2024-11-07 20:05:43,484 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:05:43,485 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-07 20:05:43,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:05:43,533 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;@5fe268aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:05:43,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-07 20:05:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 54 states have (on average 1.6296296296296295) internal successors, (88), 68 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 20:05:43,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:43,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:43,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:43,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:43,547 INFO L85 PathProgramCache]: Analyzing trace with hash -580514597, now seen corresponding path program 1 times [2024-11-07 20:05:43,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:43,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152847887] [2024-11-07 20:05:43,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:43,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:43,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:43,818 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 20:05:43,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:43,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152847887] [2024-11-07 20:05:43,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152847887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:43,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:43,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:05:43,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674541438] [2024-11-07 20:05:43,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:43,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:05:43,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:43,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:05:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:43,846 INFO L87 Difference]: Start difference. First operand has 73 states, 54 states have (on average 1.6296296296296295) internal successors, (88), 68 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:05:43,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:43,944 INFO L93 Difference]: Finished difference Result 137 states and 178 transitions. [2024-11-07 20:05:43,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:05:43,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-07 20:05:43,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:43,951 INFO L225 Difference]: With dead ends: 137 [2024-11-07 20:05:43,952 INFO L226 Difference]: Without dead ends: 66 [2024-11-07 20:05:43,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:43,957 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 4 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:43,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 220 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:43,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-07 20:05:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2024-11-07 20:05:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 57 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-11-07 20:05:43,989 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 13 [2024-11-07 20:05:43,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:43,991 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-11-07 20:05:43,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:05:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-11-07 20:05:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:05:43,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:43,993 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:43,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:05:43,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:43,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:43,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1413448804, now seen corresponding path program 1 times [2024-11-07 20:05:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:43,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937114282] [2024-11-07 20:05:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:43,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:05:44,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:44,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937114282] [2024-11-07 20:05:44,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937114282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:44,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:44,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:05:44,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122289607] [2024-11-07 20:05:44,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:44,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:05:44,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:44,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:05:44,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:05:44,248 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:05:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:44,323 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2024-11-07 20:05:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:05:44,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-07 20:05:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:44,324 INFO L225 Difference]: With dead ends: 70 [2024-11-07 20:05:44,325 INFO L226 Difference]: Without dead ends: 68 [2024-11-07 20:05:44,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:05:44,326 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 2 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:44,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 228 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-07 20:05:44,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-07 20:05:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 62 states have internal predecessors, (70), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:05:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2024-11-07 20:05:44,331 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 20 [2024-11-07 20:05:44,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:44,332 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2024-11-07 20:05:44,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:05:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-11-07 20:05:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:05:44,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:44,332 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:44,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:05:44,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:44,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:44,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1755335305, now seen corresponding path program 1 times [2024-11-07 20:05:44,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:44,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718862999] [2024-11-07 20:05:44,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:44,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:05:44,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:44,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718862999] [2024-11-07 20:05:44,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718862999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:44,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:44,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:05:44,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852784205] [2024-11-07 20:05:44,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:44,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:05:44,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:44,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:05:44,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:44,533 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:05:44,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:44,591 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2024-11-07 20:05:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:05:44,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-07 20:05:44,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:44,592 INFO L225 Difference]: With dead ends: 68 [2024-11-07 20:05:44,592 INFO L226 Difference]: Without dead ends: 62 [2024-11-07 20:05:44,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:44,593 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 43 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:44,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 110 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:44,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-07 20:05:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-07 20:05:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 56 states have internal predecessors, (64), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:05:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2024-11-07 20:05:44,599 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 25 [2024-11-07 20:05:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:44,600 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2024-11-07 20:05:44,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:05:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2024-11-07 20:05:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:05:44,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:44,600 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:44,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:05:44,601 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:44,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash -696047882, now seen corresponding path program 1 times [2024-11-07 20:05:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666380721] [2024-11-07 20:05:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 20:05:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:05:44,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:44,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666380721] [2024-11-07 20:05:44,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666380721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:44,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593374260] [2024-11-07 20:05:44,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:44,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:44,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:44,748 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 20:05:44,750 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 20:05:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:44,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:05:44,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:05:44,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:05:44,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593374260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:44,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:05:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-07 20:05:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498259385] [2024-11-07 20:05:44,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:44,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:05:44,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:44,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:05:44,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:05:44,954 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:05:44,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:44,980 INFO L93 Difference]: Finished difference Result 105 states and 120 transitions. [2024-11-07 20:05:44,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:05:44,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-07 20:05:44,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:44,981 INFO L225 Difference]: With dead ends: 105 [2024-11-07 20:05:44,982 INFO L226 Difference]: Without dead ends: 54 [2024-11-07 20:05:44,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:05:44,982 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:44,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 210 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-07 20:05:44,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-07 20:05:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 49 states have internal predecessors, (55), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2024-11-07 20:05:44,986 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 32 [2024-11-07 20:05:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:44,987 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2024-11-07 20:05:44,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:05:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2024-11-07 20:05:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:05:44,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:44,988 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:45,002 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 20:05:45,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:45,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:45,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:45,193 INFO L85 PathProgramCache]: Analyzing trace with hash -941748301, now seen corresponding path program 1 times [2024-11-07 20:05:45,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:45,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655577976] [2024-11-07 20:05:45,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:05:45,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:45,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655577976] [2024-11-07 20:05:45,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655577976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:45,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:45,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:05:45,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130248752] [2024-11-07 20:05:45,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:45,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:05:45,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:45,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:05:45,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:45,309 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:45,349 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2024-11-07 20:05:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:05:45,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2024-11-07 20:05:45,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:45,350 INFO L225 Difference]: With dead ends: 54 [2024-11-07 20:05:45,350 INFO L226 Difference]: Without dead ends: 53 [2024-11-07 20:05:45,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:45,351 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:45,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 146 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:45,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-07 20:05:45,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-07 20:05:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 48 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2024-11-07 20:05:45,355 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 35 [2024-11-07 20:05:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:45,355 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2024-11-07 20:05:45,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:45,355 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2024-11-07 20:05:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:05:45,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:45,356 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:45,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:05:45,356 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:45,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash 870573822, now seen corresponding path program 1 times [2024-11-07 20:05:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:45,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628400271] [2024-11-07 20:05:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:05:45,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:45,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628400271] [2024-11-07 20:05:45,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628400271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:45,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216485943] [2024-11-07 20:05:45,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:45,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:45,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:45,596 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 20:05:45,603 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 20:05:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:45,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:05:45,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:05:45,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:05:45,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216485943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:45,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:05:45,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-07 20:05:45,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411835448] [2024-11-07 20:05:45,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:45,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:05:45,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:45,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:05:45,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:05:45,903 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:05:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:45,917 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2024-11-07 20:05:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:05:45,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-07 20:05:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:45,918 INFO L225 Difference]: With dead ends: 53 [2024-11-07 20:05:45,918 INFO L226 Difference]: Without dead ends: 52 [2024-11-07 20:05:45,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:05:45,921 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:45,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-07 20:05:45,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-07 20:05:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 47 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-11-07 20:05:45,929 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 36 [2024-11-07 20:05:45,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:45,931 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-11-07 20:05:45,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:05:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-11-07 20:05:45,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:05:45,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:45,931 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:45,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:05:46,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:46,132 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:46,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:46,133 INFO L85 PathProgramCache]: Analyzing trace with hash -2092031581, now seen corresponding path program 1 times [2024-11-07 20:05:46,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:46,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618963969] [2024-11-07 20:05:46,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:46,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:05:46,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:46,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618963969] [2024-11-07 20:05:46,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618963969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:46,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:46,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:05:46,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975228857] [2024-11-07 20:05:46,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:46,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:05:46,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:46,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:05:46,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:46,256 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:46,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:46,313 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2024-11-07 20:05:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:05:46,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-11-07 20:05:46,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:46,314 INFO L225 Difference]: With dead ends: 77 [2024-11-07 20:05:46,314 INFO L226 Difference]: Without dead ends: 54 [2024-11-07 20:05:46,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:05:46,315 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:46,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:46,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-07 20:05:46,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-07 20:05:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 49 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-07 20:05:46,322 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 39 [2024-11-07 20:05:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:46,326 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-07 20:05:46,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-07 20:05:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:05:46,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:46,327 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:46,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:05:46,327 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:46,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:46,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1257023399, now seen corresponding path program 1 times [2024-11-07 20:05:46,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:46,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876477803] [2024-11-07 20:05:46,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:05:46,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:46,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876477803] [2024-11-07 20:05:46,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876477803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:46,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:46,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:05:46,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749879419] [2024-11-07 20:05:46,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:46,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:05:46,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:46,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:05:46,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:05:46,457 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:46,500 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2024-11-07 20:05:46,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:05:46,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-07 20:05:46,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:46,502 INFO L225 Difference]: With dead ends: 60 [2024-11-07 20:05:46,502 INFO L226 Difference]: Without dead ends: 58 [2024-11-07 20:05:46,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:05:46,502 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:46,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 191 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:46,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-07 20:05:46,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-07 20:05:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 48 states have (on average 1.25) internal successors, (60), 53 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2024-11-07 20:05:46,506 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 41 [2024-11-07 20:05:46,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:46,506 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2024-11-07 20:05:46,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:46,506 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2024-11-07 20:05:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:05:46,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:46,507 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:46,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:05:46,507 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:46,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:46,508 INFO L85 PathProgramCache]: Analyzing trace with hash -526585807, now seen corresponding path program 1 times [2024-11-07 20:05:46,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:46,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243769511] [2024-11-07 20:05:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:46,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:05:46,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:46,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243769511] [2024-11-07 20:05:46,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243769511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:46,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:46,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:05:46,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438398211] [2024-11-07 20:05:46,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:46,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:05:46,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:46,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:05:46,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:05:46,690 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:05:46,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:46,743 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2024-11-07 20:05:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:05:46,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-07 20:05:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:46,744 INFO L225 Difference]: With dead ends: 87 [2024-11-07 20:05:46,744 INFO L226 Difference]: Without dead ends: 57 [2024-11-07 20:05:46,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:05:46,745 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 37 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:46,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 149 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-07 20:05:46,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-07 20:05:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 52 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2024-11-07 20:05:46,753 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 47 [2024-11-07 20:05:46,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:46,753 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2024-11-07 20:05:46,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:05:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2024-11-07 20:05:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 20:05:46,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:46,754 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:46,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:05:46,754 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:46,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:46,754 INFO L85 PathProgramCache]: Analyzing trace with hash -60886438, now seen corresponding path program 1 times [2024-11-07 20:05:46,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:46,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495479207] [2024-11-07 20:05:46,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:46,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:46,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:47,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:47,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495479207] [2024-11-07 20:05:47,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495479207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:47,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:47,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:05:47,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950302840] [2024-11-07 20:05:47,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:47,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:05:47,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:47,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:05:47,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:05:47,029 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:47,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:47,203 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2024-11-07 20:05:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:05:47,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-07 20:05:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:47,207 INFO L225 Difference]: With dead ends: 68 [2024-11-07 20:05:47,207 INFO L226 Difference]: Without dead ends: 67 [2024-11-07 20:05:47,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:05:47,208 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 4 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:47,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:05:47,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-07 20:05:47,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2024-11-07 20:05:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 57 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-11-07 20:05:47,214 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 48 [2024-11-07 20:05:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:47,215 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-11-07 20:05:47,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-11-07 20:05:47,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 20:05:47,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:47,216 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-07 20:05:47,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:05:47,217 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:47,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -60846716, now seen corresponding path program 1 times [2024-11-07 20:05:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:47,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030469933] [2024-11-07 20:05:47,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:47,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:47,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030469933] [2024-11-07 20:05:47,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030469933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:47,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843950543] [2024-11-07 20:05:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:47,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:47,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:47,365 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 20:05:47,366 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 20:05:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:05:47,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:47,595 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:05:47,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843950543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:47,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:05:47,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-07 20:05:47,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519350027] [2024-11-07 20:05:47,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:47,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:05:47,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:47,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:05:47,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:05:47,596 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:47,629 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-11-07 20:05:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:05:47,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-07 20:05:47,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:47,631 INFO L225 Difference]: With dead ends: 62 [2024-11-07 20:05:47,631 INFO L226 Difference]: Without dead ends: 61 [2024-11-07 20:05:47,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:05:47,632 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:47,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 241 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-07 20:05:47,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-07 20:05:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 56 states have internal predecessors, (63), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2024-11-07 20:05:47,638 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 48 [2024-11-07 20:05:47,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:47,639 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2024-11-07 20:05:47,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2024-11-07 20:05:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:05:47,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:47,639 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:47,656 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 20:05:47,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:47,841 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:47,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1887479447, now seen corresponding path program 1 times [2024-11-07 20:05:47,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:47,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884646521] [2024-11-07 20:05:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:47,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:47,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884646521] [2024-11-07 20:05:47,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884646521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:47,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:47,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:05:47,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569459257] [2024-11-07 20:05:47,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:47,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:05:47,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:47,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:05:47,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:05:47,969 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:48,025 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2024-11-07 20:05:48,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:05:48,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-07 20:05:48,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:48,026 INFO L225 Difference]: With dead ends: 65 [2024-11-07 20:05:48,026 INFO L226 Difference]: Without dead ends: 64 [2024-11-07 20:05:48,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:05:48,026 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:48,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 222 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:48,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-07 20:05:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-11-07 20:05:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 57 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2024-11-07 20:05:48,030 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 49 [2024-11-07 20:05:48,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:48,030 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2024-11-07 20:05:48,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2024-11-07 20:05:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:05:48,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:48,030 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-07 20:05:48,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 20:05:48,031 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:48,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:48,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1886248085, now seen corresponding path program 1 times [2024-11-07 20:05:48,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:48,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830572940] [2024-11-07 20:05:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:48,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:48,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830572940] [2024-11-07 20:05:48,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830572940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:48,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769243457] [2024-11-07 20:05:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:48,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:48,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:48,164 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 20:05:48,165 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 20:05:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:05:48,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:48,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:48,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769243457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:48,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:48,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-07 20:05:48,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949449305] [2024-11-07 20:05:48,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:48,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:05:48,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:48,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:05:48,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:05:48,441 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:48,511 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2024-11-07 20:05:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:05:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-07 20:05:48,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:48,512 INFO L225 Difference]: With dead ends: 83 [2024-11-07 20:05:48,512 INFO L226 Difference]: Without dead ends: 82 [2024-11-07 20:05:48,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:05:48,512 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 12 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:48,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 238 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:48,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-07 20:05:48,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2024-11-07 20:05:48,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 73 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2024-11-07 20:05:48,520 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 49 [2024-11-07 20:05:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:48,520 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2024-11-07 20:05:48,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2024-11-07 20:05:48,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 20:05:48,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:48,521 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:48,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:05:48,721 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,SelfDestructingSolverStorable12 [2024-11-07 20:05:48,721 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:48,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:48,722 INFO L85 PathProgramCache]: Analyzing trace with hash -188232128, now seen corresponding path program 1 times [2024-11-07 20:05:48,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:48,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761439339] [2024-11-07 20:05:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:48,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:48,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761439339] [2024-11-07 20:05:48,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761439339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:48,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:48,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 20:05:48,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413596248] [2024-11-07 20:05:48,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:48,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:05:48,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:48,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:05:48,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:05:48,893 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:48,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:48,982 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2024-11-07 20:05:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:05:48,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-07 20:05:48,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:48,984 INFO L225 Difference]: With dead ends: 85 [2024-11-07 20:05:48,984 INFO L226 Difference]: Without dead ends: 84 [2024-11-07 20:05:48,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:05:48,984 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 5 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:48,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 336 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-07 20:05:48,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-07 20:05:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 79 states have internal predecessors, (89), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2024-11-07 20:05:48,989 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 52 [2024-11-07 20:05:48,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:48,989 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2024-11-07 20:05:48,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2024-11-07 20:05:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:05:48,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:48,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:48,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 20:05:48,990 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:48,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:48,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1540228528, now seen corresponding path program 1 times [2024-11-07 20:05:48,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:48,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861177021] [2024-11-07 20:05:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:49,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861177021] [2024-11-07 20:05:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861177021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:49,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:05:49,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 20:05:49,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211755185] [2024-11-07 20:05:49,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:49,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:05:49,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:49,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:05:49,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:05:49,147 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:49,222 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2024-11-07 20:05:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:05:49,223 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-07 20:05:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:49,224 INFO L225 Difference]: With dead ends: 89 [2024-11-07 20:05:49,224 INFO L226 Difference]: Without dead ends: 88 [2024-11-07 20:05:49,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:05:49,225 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 4 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:49,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 255 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:49,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-07 20:05:49,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-07 20:05:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 83 states have internal predecessors, (93), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2024-11-07 20:05:49,234 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 53 [2024-11-07 20:05:49,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:49,234 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2024-11-07 20:05:49,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2024-11-07 20:05:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:05:49,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:49,235 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-07 20:05:49,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 20:05:49,235 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:49,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash -766428082, now seen corresponding path program 1 times [2024-11-07 20:05:49,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:49,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598164] [2024-11-07 20:05:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:49,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:49,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598164] [2024-11-07 20:05:49,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451856828] [2024-11-07 20:05:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:49,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:49,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:49,407 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 20:05:49,409 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 20:05:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:49,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:05:49,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:49,653 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:05:49,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451856828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:49,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:05:49,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2024-11-07 20:05:49,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071766506] [2024-11-07 20:05:49,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:49,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:05:49,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:49,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:05:49,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:05:49,654 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:49,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:49,696 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2024-11-07 20:05:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:05:49,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-11-07 20:05:49,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:49,697 INFO L225 Difference]: With dead ends: 90 [2024-11-07 20:05:49,697 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:05:49,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:05:49,698 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 9 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:49,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 204 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:05:49,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:05:49,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:05:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 82 states have internal predecessors, (92), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2024-11-07 20:05:49,701 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 54 [2024-11-07 20:05:49,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:49,702 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2024-11-07 20:05:49,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2024-11-07 20:05:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:05:49,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:49,702 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-07 20:05:49,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:05:49,904 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,SelfDestructingSolverStorable15 [2024-11-07 20:05:49,905 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:49,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:49,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2010533365, now seen corresponding path program 1 times [2024-11-07 20:05:49,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:49,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374435264] [2024-11-07 20:05:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:50,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:50,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:50,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:50,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374435264] [2024-11-07 20:05:50,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374435264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:50,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365450117] [2024-11-07 20:05:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:50,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:50,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:50,149 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 20:05:50,150 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 20:05:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:50,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:05:50,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:50,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:50,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365450117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:50,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:50,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-07 20:05:50,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142038485] [2024-11-07 20:05:50,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:50,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:05:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:05:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:05:50,653 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:50,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:50,737 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2024-11-07 20:05:50,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:05:50,737 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-07 20:05:50,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:50,738 INFO L225 Difference]: With dead ends: 104 [2024-11-07 20:05:50,738 INFO L226 Difference]: Without dead ends: 103 [2024-11-07 20:05:50,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:05:50,739 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 11 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:50,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 402 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:50,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-07 20:05:50,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2024-11-07 20:05:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.1647058823529413) internal successors, (99), 88 states have internal predecessors, (99), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2024-11-07 20:05:50,742 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 55 [2024-11-07 20:05:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:50,742 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2024-11-07 20:05:50,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2024-11-07 20:05:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 20:05:50,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:50,743 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:50,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:05:50,946 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,SelfDestructingSolverStorable16 [2024-11-07 20:05:50,947 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:50,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:50,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1814299084, now seen corresponding path program 1 times [2024-11-07 20:05:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:50,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385774281] [2024-11-07 20:05:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:50,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:51,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:51,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385774281] [2024-11-07 20:05:51,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385774281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:51,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783938422] [2024-11-07 20:05:51,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:51,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:51,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:51,124 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 20:05:51,131 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 20:05:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:05:51,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:51,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:05:51,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783938422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:05:51,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:05:51,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 12 [2024-11-07 20:05:51,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278387747] [2024-11-07 20:05:51,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:05:51,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:05:51,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:51,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:05:51,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:05:51,393 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:51,455 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2024-11-07 20:05:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:05:51,456 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2024-11-07 20:05:51,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:51,456 INFO L225 Difference]: With dead ends: 93 [2024-11-07 20:05:51,457 INFO L226 Difference]: Without dead ends: 92 [2024-11-07 20:05:51,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:05:51,457 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:51,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 258 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:51,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-07 20:05:51,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2024-11-07 20:05:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 81 states have internal predecessors, (91), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2024-11-07 20:05:51,461 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 58 [2024-11-07 20:05:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:51,461 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2024-11-07 20:05:51,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2024-11-07 20:05:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 20:05:51,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:51,461 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-07 20:05:51,479 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 20:05:51,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:51,662 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:51,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:51,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1525932924, now seen corresponding path program 1 times [2024-11-07 20:05:51,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:51,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440397800] [2024-11-07 20:05:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:51,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440397800] [2024-11-07 20:05:51,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440397800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449884255] [2024-11-07 20:05:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:51,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:51,832 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 20:05:51,833 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 20:05:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:52,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:05:52,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:52,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:52,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449884255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:52,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:52,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2024-11-07 20:05:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85787397] [2024-11-07 20:05:52,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:52,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:05:52,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:52,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:05:52,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:05:52,187 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand has 21 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:52,288 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions. [2024-11-07 20:05:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 20:05:52,288 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 59 [2024-11-07 20:05:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:52,289 INFO L225 Difference]: With dead ends: 111 [2024-11-07 20:05:52,289 INFO L226 Difference]: Without dead ends: 110 [2024-11-07 20:05:52,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:05:52,289 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:52,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 469 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-07 20:05:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2024-11-07 20:05:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.118811881188119) internal successors, (113), 103 states have internal predecessors, (113), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 119 transitions. [2024-11-07 20:05:52,293 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 119 transitions. Word has length 59 [2024-11-07 20:05:52,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:52,293 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 119 transitions. [2024-11-07 20:05:52,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.6) internal successors, (72), 20 states have internal predecessors, (72), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 119 transitions. [2024-11-07 20:05:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:05:52,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:52,294 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:52,307 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 20:05:52,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:52,494 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:52,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:52,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1139506792, now seen corresponding path program 1 times [2024-11-07 20:05:52,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:52,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748463162] [2024-11-07 20:05:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:52,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:52,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:52,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748463162] [2024-11-07 20:05:52,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748463162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:52,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66084603] [2024-11-07 20:05:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:52,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:52,712 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 20:05:52,714 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 20:05:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:52,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:05:52,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:52,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66084603] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:53,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2024-11-07 20:05:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778439242] [2024-11-07 20:05:53,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:53,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 20:05:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:53,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 20:05:53,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:05:53,132 INFO L87 Difference]: Start difference. First operand 108 states and 119 transitions. Second operand has 25 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:53,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:53,253 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2024-11-07 20:05:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 20:05:53,254 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 65 [2024-11-07 20:05:53,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:53,255 INFO L225 Difference]: With dead ends: 157 [2024-11-07 20:05:53,255 INFO L226 Difference]: Without dead ends: 154 [2024-11-07 20:05:53,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:05:53,256 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 25 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:53,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 434 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:53,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-07 20:05:53,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 120. [2024-11-07 20:05:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 113 states have (on average 1.1238938053097345) internal successors, (127), 115 states have internal predecessors, (127), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 133 transitions. [2024-11-07 20:05:53,262 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 133 transitions. Word has length 65 [2024-11-07 20:05:53,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 133 transitions. [2024-11-07 20:05:53,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2024-11-07 20:05:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 20:05:53,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:53,265 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-11-07 20:05:53,280 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 20:05:53,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:53,466 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:53,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:53,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1632213044, now seen corresponding path program 1 times [2024-11-07 20:05:53,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:53,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647379958] [2024-11-07 20:05:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:53,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:53,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:53,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:53,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:53,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647379958] [2024-11-07 20:05:53,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647379958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:53,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848012004] [2024-11-07 20:05:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:53,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:53,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:53,692 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 20:05:53,696 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 20:05:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:53,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:05:53,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:54,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:54,224 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:54,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848012004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:54,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:54,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 28 [2024-11-07 20:05:54,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574547052] [2024-11-07 20:05:54,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:54,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 20:05:54,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:54,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 20:05:54,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:05:54,227 INFO L87 Difference]: Start difference. First operand 120 states and 133 transitions. Second operand has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 states have internal predecessors, (96), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:54,451 INFO L93 Difference]: Finished difference Result 179 states and 195 transitions. [2024-11-07 20:05:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 20:05:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 states have internal predecessors, (96), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 71 [2024-11-07 20:05:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:54,453 INFO L225 Difference]: With dead ends: 179 [2024-11-07 20:05:54,453 INFO L226 Difference]: Without dead ends: 178 [2024-11-07 20:05:54,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:05:54,454 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 14 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:54,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 642 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:05:54,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-07 20:05:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 132. [2024-11-07 20:05:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 125 states have (on average 1.112) internal successors, (139), 127 states have internal predecessors, (139), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 145 transitions. [2024-11-07 20:05:54,461 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 145 transitions. Word has length 71 [2024-11-07 20:05:54,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:54,461 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 145 transitions. [2024-11-07 20:05:54,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 states have internal predecessors, (96), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 145 transitions. [2024-11-07 20:05:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 20:05:54,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:54,462 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:54,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:05:54,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:54,663 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:54,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash -962170841, now seen corresponding path program 2 times [2024-11-07 20:05:54,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761271486] [2024-11-07 20:05:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:54,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:54,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:54,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:54,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:54,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761271486] [2024-11-07 20:05:54,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761271486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:54,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969417766] [2024-11-07 20:05:54,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:05:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:54,978 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 20:05:54,979 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 20:05:55,265 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:05:55,265 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:05:55,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:05:55,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:55,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:55,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969417766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:55,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:55,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-07 20:05:55,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659052640] [2024-11-07 20:05:55,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:55,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-07 20:05:55,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:55,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-07 20:05:55,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 20:05:55,703 INFO L87 Difference]: Start difference. First operand 132 states and 145 transitions. Second operand has 33 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:55,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:55,860 INFO L93 Difference]: Finished difference Result 199 states and 226 transitions. [2024-11-07 20:05:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 20:05:55,863 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 79 [2024-11-07 20:05:55,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:55,863 INFO L225 Difference]: With dead ends: 199 [2024-11-07 20:05:55,863 INFO L226 Difference]: Without dead ends: 198 [2024-11-07 20:05:55,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 20:05:55,865 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 72 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:55,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 390 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-07 20:05:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 178. [2024-11-07 20:05:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 171 states have (on average 1.1228070175438596) internal successors, (192), 173 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 198 transitions. [2024-11-07 20:05:55,873 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 198 transitions. Word has length 79 [2024-11-07 20:05:55,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:55,873 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 198 transitions. [2024-11-07 20:05:55,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.5) internal successors, (112), 32 states have internal predecessors, (112), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 198 transitions. [2024-11-07 20:05:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 20:05:55,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:55,874 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:55,888 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 20:05:56,074 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,SelfDestructingSolverStorable21 [2024-11-07 20:05:56,075 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:56,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:56,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1660973292, now seen corresponding path program 2 times [2024-11-07 20:05:56,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:56,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063826490] [2024-11-07 20:05:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:56,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:56,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:56,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063826490] [2024-11-07 20:05:56,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063826490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:56,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346450589] [2024-11-07 20:05:56,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:05:56,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:56,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:56,442 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 20:05:56,444 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 20:05:56,726 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:05:56,727 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:05:56,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:05:56,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:56,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:57,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346450589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:57,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:57,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 36 [2024-11-07 20:05:57,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189579300] [2024-11-07 20:05:57,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:57,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-07 20:05:57,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:57,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-07 20:05:57,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 20:05:57,056 INFO L87 Difference]: Start difference. First operand 178 states and 198 transitions. Second operand has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 36 states have internal predecessors, (120), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:57,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:57,195 INFO L93 Difference]: Finished difference Result 253 states and 277 transitions. [2024-11-07 20:05:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 20:05:57,196 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 36 states have internal predecessors, (120), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 83 [2024-11-07 20:05:57,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:57,196 INFO L225 Difference]: With dead ends: 253 [2024-11-07 20:05:57,196 INFO L226 Difference]: Without dead ends: 252 [2024-11-07 20:05:57,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 20:05:57,197 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 31 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:57,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 547 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-07 20:05:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2024-11-07 20:05:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 179 states have (on average 1.1173184357541899) internal successors, (200), 181 states have internal predecessors, (200), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 206 transitions. [2024-11-07 20:05:57,208 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 206 transitions. Word has length 83 [2024-11-07 20:05:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:57,208 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 206 transitions. [2024-11-07 20:05:57,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.3333333333333335) internal successors, (120), 36 states have internal predecessors, (120), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 206 transitions. [2024-11-07 20:05:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 20:05:57,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:57,210 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:57,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:05:57,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:57,410 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:57,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:57,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1117068721, now seen corresponding path program 2 times [2024-11-07 20:05:57,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:57,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020334497] [2024-11-07 20:05:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:57,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:57,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:57,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:57,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:57,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020334497] [2024-11-07 20:05:57,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020334497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:57,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463949790] [2024-11-07 20:05:57,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:05:57,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:57,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:57,688 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 20:05:57,689 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 20:05:57,988 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:05:57,988 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:05:57,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:05:57,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:58,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463949790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:58,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:58,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 36 [2024-11-07 20:05:58,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756196681] [2024-11-07 20:05:58,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:58,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-07 20:05:58,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:58,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-07 20:05:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 20:05:58,305 INFO L87 Difference]: Start difference. First operand 186 states and 206 transitions. Second operand has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 36 states have internal predecessors, (124), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:58,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:58,451 INFO L93 Difference]: Finished difference Result 223 states and 245 transitions. [2024-11-07 20:05:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 20:05:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 36 states have internal predecessors, (124), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 85 [2024-11-07 20:05:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:58,452 INFO L225 Difference]: With dead ends: 223 [2024-11-07 20:05:58,452 INFO L226 Difference]: Without dead ends: 222 [2024-11-07 20:05:58,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=313, Invalid=1019, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 20:05:58,453 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 48 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:58,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 423 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:05:58,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-07 20:05:58,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 192. [2024-11-07 20:05:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 185 states have (on average 1.1189189189189188) internal successors, (207), 187 states have internal predecessors, (207), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:58,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 213 transitions. [2024-11-07 20:05:58,458 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 213 transitions. Word has length 85 [2024-11-07 20:05:58,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:58,458 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 213 transitions. [2024-11-07 20:05:58,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.4444444444444446) internal successors, (124), 36 states have internal predecessors, (124), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:58,458 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 213 transitions. [2024-11-07 20:05:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 20:05:58,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:58,459 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:58,473 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 20:05:58,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:58,663 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:58,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:58,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1833149800, now seen corresponding path program 2 times [2024-11-07 20:05:58,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:58,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900724498] [2024-11-07 20:05:58,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:58,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:05:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:05:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:05:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:05:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:58,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:05:58,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900724498] [2024-11-07 20:05:58,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900724498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:05:58,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481912834] [2024-11-07 20:05:58,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:05:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:05:58,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:05:58,931 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 20:05:58,941 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 20:05:59,248 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:05:59,248 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:05:59,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:05:59,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:05:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:59,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:05:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:05:59,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481912834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:05:59,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:05:59,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 40 [2024-11-07 20:05:59,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739611385] [2024-11-07 20:05:59,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:05:59,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-07 20:05:59,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:05:59,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-07 20:05:59,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 20:05:59,578 INFO L87 Difference]: Start difference. First operand 192 states and 213 transitions. Second operand has 41 states, 40 states have (on average 3.3) internal successors, (132), 40 states have internal predecessors, (132), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:59,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:05:59,762 INFO L93 Difference]: Finished difference Result 241 states and 263 transitions. [2024-11-07 20:05:59,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 20:05:59,762 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.3) internal successors, (132), 40 states have internal predecessors, (132), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 89 [2024-11-07 20:05:59,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:05:59,763 INFO L225 Difference]: With dead ends: 241 [2024-11-07 20:05:59,763 INFO L226 Difference]: Without dead ends: 240 [2024-11-07 20:05:59,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 20:05:59,764 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 63 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:05:59,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 446 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:05:59,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-07 20:05:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 196. [2024-11-07 20:05:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 189 states have (on average 1.1164021164021165) internal successors, (211), 191 states have internal predecessors, (211), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:05:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 217 transitions. [2024-11-07 20:05:59,770 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 217 transitions. Word has length 89 [2024-11-07 20:05:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:05:59,770 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 217 transitions. [2024-11-07 20:05:59,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.3) internal successors, (132), 40 states have internal predecessors, (132), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:05:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 217 transitions. [2024-11-07 20:05:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 20:05:59,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:05:59,771 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:05:59,785 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 20:05:59,971 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,SelfDestructingSolverStorable24 [2024-11-07 20:05:59,972 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:05:59,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:05:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1916244572, now seen corresponding path program 3 times [2024-11-07 20:05:59,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:05:59,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426096871] [2024-11-07 20:05:59,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:05:59,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:05:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:06:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:06:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:06:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:06:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:06:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426096871] [2024-11-07 20:06:00,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426096871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:06:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710963383] [2024-11-07 20:06:00,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:06:00,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:06:00,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:06:00,271 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 20:06:00,272 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 20:06:02,195 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-07 20:06:02,196 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:06:02,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:06:02,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:06:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-07 20:06:02,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:06:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-07 20:06:02,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710963383] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:06:02,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:06:02,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [22, 8] total 34 [2024-11-07 20:06:02,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231505658] [2024-11-07 20:06:02,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:06:02,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:06:02,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:06:02,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:06:02,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 20:06:02,465 INFO L87 Difference]: Start difference. First operand 196 states and 217 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:06:02,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:06:02,584 INFO L93 Difference]: Finished difference Result 253 states and 274 transitions. [2024-11-07 20:06:02,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:06:02,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2024-11-07 20:06:02,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:06:02,585 INFO L225 Difference]: With dead ends: 253 [2024-11-07 20:06:02,585 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 20:06:02,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=1260, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 20:06:02,586 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 40 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:06:02,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 243 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:06:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 20:06:02,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 20:06:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 89 states have (on average 1.0561797752808988) internal successors, (94), 89 states have internal predecessors, (94), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:06:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2024-11-07 20:06:02,593 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 95 [2024-11-07 20:06:02,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:06:02,594 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2024-11-07 20:06:02,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:06:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2024-11-07 20:06:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 20:06:02,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:06:02,597 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:06:02,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-07 20:06:02,798 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,SelfDestructingSolverStorable25 [2024-11-07 20:06:02,798 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:06:02,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:06:02,799 INFO L85 PathProgramCache]: Analyzing trace with hash 511403952, now seen corresponding path program 2 times [2024-11-07 20:06:02,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:06:02,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313470744] [2024-11-07 20:06:02,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:06:02,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:06:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:06:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:06:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:06:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:06:03,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:06:03,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313470744] [2024-11-07 20:06:03,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313470744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:06:03,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516797862] [2024-11-07 20:06:03,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:06:03,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:06:03,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:06:03,173 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 20:06:03,175 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 20:06:03,519 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:06:03,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:06:03,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 20:06:03,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:06:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:06:03,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:06:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:06:04,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516797862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:06:04,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:06:04,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 48 [2024-11-07 20:06:04,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820255396] [2024-11-07 20:06:04,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:06:04,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-07 20:06:04,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:06:04,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-07 20:06:04,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=1847, Unknown=0, NotChecked=0, Total=2352 [2024-11-07 20:06:04,029 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 49 states, 48 states have (on average 3.25) internal successors, (156), 48 states have internal predecessors, (156), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:06:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:06:04,164 INFO L93 Difference]: Finished difference Result 155 states and 170 transitions. [2024-11-07 20:06:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-07 20:06:04,165 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 3.25) internal successors, (156), 48 states have internal predecessors, (156), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 101 [2024-11-07 20:06:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:06:04,165 INFO L225 Difference]: With dead ends: 155 [2024-11-07 20:06:04,165 INFO L226 Difference]: Without dead ends: 154 [2024-11-07 20:06:04,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=505, Invalid=1847, Unknown=0, NotChecked=0, Total=2352 [2024-11-07 20:06:04,166 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 3 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:06:04,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 631 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:06:04,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-07 20:06:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-07 20:06:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 149 states have (on average 1.0335570469798658) internal successors, (154), 149 states have internal predecessors, (154), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:06:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2024-11-07 20:06:04,175 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 101 [2024-11-07 20:06:04,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:06:04,175 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2024-11-07 20:06:04,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 3.25) internal successors, (156), 48 states have internal predecessors, (156), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:06:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2024-11-07 20:06:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 20:06:04,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:06:04,176 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:06:04,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 20:06:04,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:06:04,377 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 20:06:04,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:06:04,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1335773592, now seen corresponding path program 3 times [2024-11-07 20:06:04,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:06:04,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379466850] [2024-11-07 20:06:04,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:06:04,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:06:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:06:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:06:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:06:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:06:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:06:05,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:06:05,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379466850] [2024-11-07 20:06:05,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379466850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:06:05,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580242771] [2024-11-07 20:06:05,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:06:05,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:06:05,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:06:05,234 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 20:06:05,235 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 20:06:07,577 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-07 20:06:07,578 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:06:07,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-07 20:06:07,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:06:07,619 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 20:06:07,847 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-07 20:06:07,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 20:06:07,898 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 20:06:07,903 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 20:06:07,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-07 20:06:07,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-07 20:06:08,141 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-07 20:06:08,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 61 [2024-11-07 20:06:08,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2024-11-07 20:06:08,395 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-07 20:06:08,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 34 [2024-11-07 20:06:08,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 20:06:08,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 10 [2024-11-07 20:06:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 20:06:08,600 INFO L349 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2024-11-07 20:06:08,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 62 [2024-11-07 20:06:08,614 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2024-11-07 20:06:08,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2024-11-07 20:06:08,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2024-11-07 20:06:09,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 77 [2024-11-07 20:06:09,179 INFO L349 Elim1Store]: treesize reduction 162, result has 19.0 percent of original size [2024-11-07 20:06:09,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 303 treesize of output 107 [2024-11-07 20:06:10,285 INFO L349 Elim1Store]: treesize reduction 57, result has 21.9 percent of original size [2024-11-07 20:06:10,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 161 treesize of output 81 [2024-11-07 20:06:10,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 16 [2024-11-07 20:06:10,369 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 20:06:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 113 proven. 10 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-11-07 20:06:10,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:06:14,682 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse16 (+ |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| 4))) (let ((.cse9 (let ((.cse17 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.offset| |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset|)))) (store .cse17 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| (store (store (select .cse17 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|) .cse16 |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.offset|) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset|)))) (.cse6 (let ((.cse15 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.offset| |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|)))) (store .cse15 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| (store (store (select .cse15 |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base|) .cse16 |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.offset| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|))))) (let ((.cse4 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse7 (select .cse6 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|)) (.cse10 (select .cse9 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|)) (.cse8 (+ |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset| 4)) (.cse5 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (and (forall ((v_ArrVal_5347 Int) (v_ArrVal_5341 Int)) (= (let ((.cse3 (store .cse9 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| (store .cse10 .cse8 v_ArrVal_5347))) (.cse0 (store .cse6 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| (store .cse7 .cse8 v_ArrVal_5341)))) (let ((.cse1 (select (select .cse0 .cse4) .cse5)) (.cse2 (select (select .cse3 .cse4) .cse5))) (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (select (select .cse3 .cse1) .cse2)))) .cse4)) (forall ((v_ArrVal_5347 Int) (v_ArrVal_5341 Int)) (= (let ((.cse11 (store .cse9 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| (store .cse10 .cse8 v_ArrVal_5347))) (.cse12 (store .cse6 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| (store .cse7 .cse8 v_ArrVal_5341)))) (let ((.cse13 (select (select .cse12 .cse4) .cse5)) (.cse14 (select (select .cse11 .cse4) .cse5))) (select (select .cse11 (select (select .cse12 .cse13) .cse14)) (select (select .cse11 .cse13) .cse14)))) .cse5)))))) is different from false