./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU --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 64bit --witnessprinter.graph.data.programhash c5bd754d8b8f4ee0e5d64ce8be5479928d2ed38d23ef60f76e73d0a8955b4a59 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:02,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:03,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 21:58:03,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:03,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:03,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:03,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:03,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:03,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:03,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:03,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:03,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:03,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:03,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:03,115 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:03,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:03,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:03,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:03,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:03,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:03,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:03,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:03,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:03,122 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:58:03,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:03,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:03,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:03,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:03,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:03,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:03,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:03,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:03,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:03,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:03,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:03,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:03,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:03,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:03,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:03,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:03,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:03,147 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5bd754d8b8f4ee0e5d64ce8be5479928d2ed38d23ef60f76e73d0a8955b4a59 [2024-10-31 21:58:03,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:03,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:03,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:03,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:03,508 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:03,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/busybox-1.22.0/head-3.i Unable to find full path for "g++" [2024-10-31 21:58:05,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:06,014 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:06,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/sv-benchmarks/c/busybox-1.22.0/head-3.i [2024-10-31 21:58:06,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/data/31fa71e7b/96cc80d2084e48029d309b62748721ea/FLAG556728a53 [2024-10-31 21:58:06,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/data/31fa71e7b/96cc80d2084e48029d309b62748721ea [2024-10-31 21:58:06,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:06,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:06,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:06,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:06,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:06,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:06" (1/1) ... [2024-10-31 21:58:06,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184a95c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:06, skipping insertion in model container [2024-10-31 21:58:06,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:06" (1/1) ... [2024-10-31 21:58:06,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:07,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:07,834 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:08,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:08,304 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:08,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08 WrapperNode [2024-10-31 21:58:08,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:08,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:08,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:08,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:08,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,508 INFO L138 Inliner]: procedures = 581, calls = 710, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 1505 [2024-10-31 21:58:08,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:08,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:08,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:08,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:08,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,614 INFO L175 MemorySlicer]: Split 576 memory accesses to 18 slices as follows [47, 2, 18, 2, 9, 3, 3, 3, 2, 9, 24, 10, 355, 7, 20, 57, 4, 1]. 62 percent of accesses are in the largest equivalence class. The 379 initializations are split as follows [2, 2, 0, 0, 0, 0, 3, 0, 2, 1, 0, 7, 355, 0, 0, 6, 1, 0]. The 124 writes are split as follows [35, 0, 4, 1, 6, 3, 0, 0, 0, 4, 21, 0, 0, 7, 3, 38, 1, 1]. [2024-10-31 21:58:08,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:08,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:08,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:08,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:08,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:08,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:08,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:08,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2024-10-31 21:58:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2024-10-31 21:58:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2024-10-31 21:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2024-10-31 21:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2024-10-31 21:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2024-10-31 21:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2024-10-31 21:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2024-10-31 21:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2024-10-31 21:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2024-10-31 21:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2024-10-31 21:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2024-10-31 21:58:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2024-10-31 21:58:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2024-10-31 21:58:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _IO_getc [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2024-10-31 21:58:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 21:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-31 21:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-31 21:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-31 21:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-31 21:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-31 21:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-31 21:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-31 21:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-31 21:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-31 21:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-10-31 21:58:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-10-31 21:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 21:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 21:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 21:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 21:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 21:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 21:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 21:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 21:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 21:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 21:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 21:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 21:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 21:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 21:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 21:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 21:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 21:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-31 21:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-31 21:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-31 21:58:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-31 21:58:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-31 21:58:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-31 21:58:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-31 21:58:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-31 21:58:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-31 21:58:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-31 21:58:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-31 21:58:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-31 21:58:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-31 21:58:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-31 21:58:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-31 21:58:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-31 21:58:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-31 21:58:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-31 21:58:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-31 21:58:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-31 21:58:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-31 21:58:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-10-31 21:58:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-10-31 21:58:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2024-10-31 21:58:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2024-10-31 21:58:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 21:58:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 21:58:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 21:58:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 21:58:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 21:58:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 21:58:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 21:58:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 21:58:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-31 21:58:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-31 21:58:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-31 21:58:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-31 21:58:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 21:58:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 21:58:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 21:58:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 21:58:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 21:58:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 21:58:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 21:58:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 21:58:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 21:58:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2024-10-31 21:58:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2024-10-31 21:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:58:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:58:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:58:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:58:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 21:58:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 21:58:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:58:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 21:58:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2024-10-31 21:58:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-10-31 21:58:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:58:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 21:58:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 21:58:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 21:58:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 21:58:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 21:58:09,578 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:09,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:16,361 INFO L? ?]: Removed 617 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:16,362 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:16,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:16,407 INFO L316 CfgBuilder]: Removed 38 assume(true) statements. [2024-10-31 21:58:16,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:16 BoogieIcfgContainer [2024-10-31 21:58:16,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:16,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:16,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:16,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:16,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:06" (1/3) ... [2024-10-31 21:58:16,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178b65f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:16, skipping insertion in model container [2024-10-31 21:58:16,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08" (2/3) ... [2024-10-31 21:58:16,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178b65f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:16, skipping insertion in model container [2024-10-31 21:58:16,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:16" (3/3) ... [2024-10-31 21:58:16,419 INFO L112 eAbstractionObserver]: Analyzing ICFG head-3.i [2024-10-31 21:58:16,439 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:16,440 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2024-10-31 21:58:16,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:16,559 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;@4455f63f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:16,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-10-31 21:58:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 410 states, 312 states have (on average 1.6153846153846154) internal successors, (504), 370 states have internal predecessors, (504), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-31 21:58:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 21:58:16,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:16,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 21:58:16,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:16,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:16,590 INFO L85 PathProgramCache]: Analyzing trace with hash 25522181, now seen corresponding path program 1 times [2024-10-31 21:58:16,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:16,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071643677] [2024-10-31 21:58:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:16,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:18,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:18,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071643677] [2024-10-31 21:58:18,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071643677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:18,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:18,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:18,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086866352] [2024-10-31 21:58:18,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:18,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:18,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:18,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:18,741 INFO L87 Difference]: Start difference. First operand has 410 states, 312 states have (on average 1.6153846153846154) internal successors, (504), 370 states have internal predecessors, (504), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:18,898 INFO L93 Difference]: Finished difference Result 775 states and 1096 transitions. [2024-10-31 21:58:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:18,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-31 21:58:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:18,913 INFO L225 Difference]: With dead ends: 775 [2024-10-31 21:58:18,913 INFO L226 Difference]: Without dead ends: 369 [2024-10-31 21:58:18,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:18,924 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 1 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:18,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 943 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:18,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-10-31 21:58:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2024-10-31 21:58:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 334 states have internal predecessors, (427), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 479 transitions. [2024-10-31 21:58:19,010 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 479 transitions. Word has length 4 [2024-10-31 21:58:19,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:19,011 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 479 transitions. [2024-10-31 21:58:19,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:19,012 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 479 transitions. [2024-10-31 21:58:19,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 21:58:19,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:19,013 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-31 21:58:19,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:19,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:19,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:19,014 INFO L85 PathProgramCache]: Analyzing trace with hash 122920714, now seen corresponding path program 1 times [2024-10-31 21:58:19,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:19,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798871116] [2024-10-31 21:58:19,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:19,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:20,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:20,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798871116] [2024-10-31 21:58:20,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798871116] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:20,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312079020] [2024-10-31 21:58:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:20,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:20,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:58:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:22,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:58:22,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:22,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:58:22,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312079020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:22,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:58:22,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 21:58:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823089363] [2024-10-31 21:58:22,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:22,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:58:22,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:58:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:22,167 INFO L87 Difference]: Start difference. First operand 369 states and 479 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:22,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:22,266 INFO L93 Difference]: Finished difference Result 369 states and 479 transitions. [2024-10-31 21:58:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:58:22,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 21:58:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:22,269 INFO L225 Difference]: With dead ends: 369 [2024-10-31 21:58:22,270 INFO L226 Difference]: Without dead ends: 368 [2024-10-31 21:58:22,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:22,271 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 1 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:22,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 938 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-31 21:58:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-31 21:58:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 282 states have (on average 1.5106382978723405) internal successors, (426), 333 states have internal predecessors, (426), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 478 transitions. [2024-10-31 21:58:22,302 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 478 transitions. Word has length 7 [2024-10-31 21:58:22,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:22,303 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 478 transitions. [2024-10-31 21:58:22,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 478 transitions. [2024-10-31 21:58:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 21:58:22,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:22,304 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-31 21:58:22,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:58:22,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:22,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:22,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:22,513 INFO L85 PathProgramCache]: Analyzing trace with hash -484424318, now seen corresponding path program 1 times [2024-10-31 21:58:22,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:22,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144557507] [2024-10-31 21:58:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:22,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:23,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:23,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144557507] [2024-10-31 21:58:23,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144557507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:23,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:23,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:23,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354875341] [2024-10-31 21:58:23,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:23,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:23,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:23,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:23,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:23,951 INFO L87 Difference]: Start difference. First operand 368 states and 478 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:24,001 INFO L93 Difference]: Finished difference Result 368 states and 478 transitions. [2024-10-31 21:58:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:24,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 21:58:24,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:24,005 INFO L225 Difference]: With dead ends: 368 [2024-10-31 21:58:24,005 INFO L226 Difference]: Without dead ends: 367 [2024-10-31 21:58:24,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:24,007 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 0 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:24,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 939 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:24,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-31 21:58:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2024-10-31 21:58:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 280 states have (on average 1.5107142857142857) internal successors, (423), 330 states have internal predecessors, (423), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 475 transitions. [2024-10-31 21:58:24,027 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 475 transitions. Word has length 8 [2024-10-31 21:58:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:24,027 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 475 transitions. [2024-10-31 21:58:24,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:24,028 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 475 transitions. [2024-10-31 21:58:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 21:58:24,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:24,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:24,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:58:24,029 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:24,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:24,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1345296300, now seen corresponding path program 1 times [2024-10-31 21:58:24,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:24,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612208019] [2024-10-31 21:58:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:24,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 21:58:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:25,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:25,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612208019] [2024-10-31 21:58:25,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612208019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:25,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997928235] [2024-10-31 21:58:25,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:25,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:25,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:58:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:26,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:58:26,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:26,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:58:26,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997928235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:26,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:58:26,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 21:58:26,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662176294] [2024-10-31 21:58:26,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:26,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:26,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:26,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:26,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:26,688 INFO L87 Difference]: Start difference. First operand 365 states and 475 transitions. Second operand has 3 states, 2 states have (on average 5.5) 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) [2024-10-31 21:58:26,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:26,759 INFO L93 Difference]: Finished difference Result 365 states and 475 transitions. [2024-10-31 21:58:26,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:26,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) 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 [2024-10-31 21:58:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:26,762 INFO L225 Difference]: With dead ends: 365 [2024-10-31 21:58:26,763 INFO L226 Difference]: Without dead ends: 363 [2024-10-31 21:58:26,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:26,764 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 205 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:26,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 715 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-31 21:58:26,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-10-31 21:58:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 280 states have (on average 1.5035714285714286) internal successors, (421), 328 states have internal predecessors, (421), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 473 transitions. [2024-10-31 21:58:26,783 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 473 transitions. Word has length 13 [2024-10-31 21:58:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:26,785 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 473 transitions. [2024-10-31 21:58:26,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) 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) [2024-10-31 21:58:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 473 transitions. [2024-10-31 21:58:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 21:58:26,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:26,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:26,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:26,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:26,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:26,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1245486807, now seen corresponding path program 1 times [2024-10-31 21:58:26,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733719617] [2024-10-31 21:58:26,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:28,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 21:58:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:28,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733719617] [2024-10-31 21:58:28,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733719617] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049402791] [2024-10-31 21:58:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:28,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:28,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 21:58:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:29,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:58:29,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:29,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:29,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049402791] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:29,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:29,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 21:58:29,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476463732] [2024-10-31 21:58:29,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:29,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:29,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:29,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:29,778 INFO L87 Difference]: Start difference. First operand 363 states and 473 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:58:29,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:29,885 INFO L93 Difference]: Finished difference Result 729 states and 951 transitions. [2024-10-31 21:58:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:29,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-31 21:58:29,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:29,891 INFO L225 Difference]: With dead ends: 729 [2024-10-31 21:58:29,891 INFO L226 Difference]: Without dead ends: 372 [2024-10-31 21:58:29,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:29,894 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 4 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:29,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1401 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:29,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-31 21:58:29,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-10-31 21:58:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 289 states have (on average 1.4878892733564013) internal successors, (430), 337 states have internal predecessors, (430), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 482 transitions. [2024-10-31 21:58:29,916 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 482 transitions. Word has length 14 [2024-10-31 21:58:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:29,917 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 482 transitions. [2024-10-31 21:58:29,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:58:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 482 transitions. [2024-10-31 21:58:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 21:58:29,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:29,918 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:29,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 21:58:30,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:30,119 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:30,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:30,119 INFO L85 PathProgramCache]: Analyzing trace with hash 512160782, now seen corresponding path program 2 times [2024-10-31 21:58:30,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678482907] [2024-10-31 21:58:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:30,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:58:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:31,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:31,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678482907] [2024-10-31 21:58:31,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678482907] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:31,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055305154] [2024-10-31 21:58:31,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:58:31,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:31,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:31,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:31,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 21:58:33,294 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 21:58:33,295 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:58:33,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:58:33,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 21:58:33,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:58:33,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055305154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:33,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:58:33,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-31 21:58:33,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57370886] [2024-10-31 21:58:33,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:33,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:58:33,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:33,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:33,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 21:58:33,553 INFO L87 Difference]: Start difference. First operand 372 states and 482 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-10-31 21:58:33,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:33,803 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2024-10-31 21:58:33,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:58:33,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 23 [2024-10-31 21:58:33,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:33,806 INFO L225 Difference]: With dead ends: 372 [2024-10-31 21:58:33,806 INFO L226 Difference]: Without dead ends: 370 [2024-10-31 21:58:33,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 21:58:33,812 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 204 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:33,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1617 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:58:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-31 21:58:33,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-10-31 21:58:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 289 states have (on average 1.480968858131488) internal successors, (428), 335 states have internal predecessors, (428), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 480 transitions. [2024-10-31 21:58:33,837 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 480 transitions. Word has length 23 [2024-10-31 21:58:33,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:33,837 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 480 transitions. [2024-10-31 21:58:33,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2024-10-31 21:58:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 480 transitions. [2024-10-31 21:58:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 21:58:33,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:33,838 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:33,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 21:58:34,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-31 21:58:34,039 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:34,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1405578540, now seen corresponding path program 1 times [2024-10-31 21:58:34,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:34,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904262851] [2024-10-31 21:58:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:58:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 21:58:35,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:35,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904262851] [2024-10-31 21:58:35,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904262851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:35,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:35,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460267754] [2024-10-31 21:58:35,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:35,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:35,166 INFO L87 Difference]: Start difference. First operand 370 states and 480 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-31 21:58:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:35,241 INFO L93 Difference]: Finished difference Result 722 states and 943 transitions. [2024-10-31 21:58:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:35,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 28 [2024-10-31 21:58:35,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:35,244 INFO L225 Difference]: With dead ends: 722 [2024-10-31 21:58:35,244 INFO L226 Difference]: Without dead ends: 373 [2024-10-31 21:58:35,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:35,246 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 1 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:35,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 928 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-31 21:58:35,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2024-10-31 21:58:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.476027397260274) internal successors, (431), 338 states have internal predecessors, (431), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 21:58:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 483 transitions. [2024-10-31 21:58:35,262 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 483 transitions. Word has length 28 [2024-10-31 21:58:35,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:35,263 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 483 transitions. [2024-10-31 21:58:35,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-31 21:58:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 483 transitions. [2024-10-31 21:58:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-31 21:58:35,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:35,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:35,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:58:35,264 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [getoptErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, getoptErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 52 more)] === [2024-10-31 21:58:35,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1953244739, now seen corresponding path program 1 times [2024-10-31 21:58:35,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:35,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399529315] [2024-10-31 21:58:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:35,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:36,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:58:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 21:58:36,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:36,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399529315] [2024-10-31 21:58:36,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399529315] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:36,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966168939] [2024-10-31 21:58:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:36,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:36,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:36,464 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:36,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f3a55ae-6a66-44ae-be36-ee3f6c6676ed/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process