./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd --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 77d101c015aa227688f75df3fd905b74c24dd55f9fd8e8478582e7eae4d24583 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:45:32,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:45:32,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-13 12:45:32,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:45:32,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:45:32,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:45:32,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:45:32,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:45:32,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:45:32,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:45:32,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:45:32,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:45:32,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:45:32,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:45:32,693 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:45:32,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:45:32,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:45:32,694 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:45:32,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:45:32,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:45:32,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:45:32,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:45:32,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:45:32,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:45:32,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:45:32,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:45:32,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:45:32,697 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd 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 -> 77d101c015aa227688f75df3fd905b74c24dd55f9fd8e8478582e7eae4d24583 [2024-11-13 12:45:32,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:45:32,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:45:32,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:45:32,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:45:32,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:45:32,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i Unable to find full path for "g++" [2024-11-13 12:45:35,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:45:35,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:45:35,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2024-11-13 12:45:35,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data/2efe4f482/79926692e31a486984a8aef598019498/FLAG8473ad47f [2024-11-13 12:45:35,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data/2efe4f482/79926692e31a486984a8aef598019498 [2024-11-13 12:45:35,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:45:35,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:45:35,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:45:35,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:45:35,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:45:35,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:45:35" (1/1) ... [2024-11-13 12:45:35,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e7ad7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:35, skipping insertion in model container [2024-11-13 12:45:35,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:45:35" (1/1) ... [2024-11-13 12:45:35,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:45:36,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:45:36,310 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:45:36,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:45:36,546 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:45:36,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36 WrapperNode [2024-11-13 12:45:36,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:45:36,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:45:36,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:45:36,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:45:36,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,663 INFO L138 Inliner]: procedures = 346, calls = 463, calls flagged for inlining = 11, calls inlined = 10, statements flattened = 735 [2024-11-13 12:45:36,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:45:36,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:45:36,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:45:36,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:45:36,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,744 INFO L175 MemorySlicer]: Split 412 memory accesses to 14 slices as follows [2, 3, 2, 3, 3, 4, 4, 4, 3, 2, 12, 3, 355, 12]. 86 percent of accesses are in the largest equivalence class. The 379 initializations are split as follows [2, 3, 0, 3, 3, 3, 3, 3, 3, 0, 0, 1, 355, 0]. The 11 writes are split as follows [0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 2, 1, 0, 5]. [2024-11-13 12:45:36,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:45:36,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:45:36,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:45:36,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:45:36,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (1/1) ... [2024-11-13 12:45:36,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:45:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:36,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:45:36,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:45:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:45:36,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:45:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 12:45:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 12:45:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 12:45:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 12:45:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 12:45:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:45:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:45:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:45:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:45:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 12:45:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 12:45:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 12:45:36,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 12:45:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 12:45:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 12:45:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 12:45:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:45:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:45:37,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:45:37,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:45:38,332 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-13 12:45:38,332 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:45:38,350 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:45:38,350 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-13 12:45:38,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:45:38 BoogieIcfgContainer [2024-11-13 12:45:38,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:45:38,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:45:38,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:45:38,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:45:38,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:45:35" (1/3) ... [2024-11-13 12:45:38,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb608cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:45:38, skipping insertion in model container [2024-11-13 12:45:38,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:45:36" (2/3) ... [2024-11-13 12:45:38,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb608cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:45:38, skipping insertion in model container [2024-11-13 12:45:38,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:45:38" (3/3) ... [2024-11-13 12:45:38,362 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2024-11-13 12:45:38,378 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:45:38,380 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG basename-2.i that has 2 procedures, 120 locations, 1 initial locations, 7 loop locations, and 24 error locations. [2024-11-13 12:45:38,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:45:38,459 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;@12a65631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:45:38,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-13 12:45:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 116 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 12:45:38,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:38,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 12:45:38,471 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:38,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1172036, now seen corresponding path program 1 times [2024-11-13 12:45:38,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:38,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063983706] [2024-11-13 12:45:38,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:38,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:39,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:39,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063983706] [2024-11-13 12:45:39,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063983706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:39,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:39,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:39,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115771459] [2024-11-13 12:45:39,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:39,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:39,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:39,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:39,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:39,252 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 116 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2024-11-13 12:45:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:39,335 INFO L93 Difference]: Finished difference Result 237 states and 325 transitions. [2024-11-13 12:45:39,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:39,338 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 [2024-11-13 12:45:39,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:39,346 INFO L225 Difference]: With dead ends: 237 [2024-11-13 12:45:39,347 INFO L226 Difference]: Without dead ends: 117 [2024-11-13 12:45:39,350 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 [2024-11-13 12:45:39,355 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:39,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 288 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:39,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-13 12:45:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-13 12:45:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 90 states have (on average 1.6) internal successors, (144), 113 states have internal predecessors, (144), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:39,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 148 transitions. [2024-11-13 12:45:39,411 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 148 transitions. Word has length 4 [2024-11-13 12:45:39,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:39,412 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 148 transitions. [2024-11-13 12:45:39,413 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) [2024-11-13 12:45:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2024-11-13 12:45:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 12:45:39,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:39,413 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-13 12:45:39,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:45:39,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:39,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:39,416 INFO L85 PathProgramCache]: Analyzing trace with hash 556437618, now seen corresponding path program 1 times [2024-11-13 12:45:39,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:39,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283241927] [2024-11-13 12:45:39,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:39,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283241927] [2024-11-13 12:45:39,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283241927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633186020] [2024-11-13 12:45:39,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:39,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:39,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:39,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:45:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:40,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:40,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:40,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:40,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633186020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:40,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:40,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 12:45:40,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32536534] [2024-11-13 12:45:40,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:40,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:45:40,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:40,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:45:40,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:40,308 INFO L87 Difference]: Start difference. First operand 117 states and 148 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) [2024-11-13 12:45:40,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:40,366 INFO L93 Difference]: Finished difference Result 117 states and 148 transitions. [2024-11-13 12:45:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:45:40,367 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 [2024-11-13 12:45:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:40,368 INFO L225 Difference]: With dead ends: 117 [2024-11-13 12:45:40,368 INFO L226 Difference]: Without dead ends: 116 [2024-11-13 12:45:40,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:40,369 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 1 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:40,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 276 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:40,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-13 12:45:40,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-13 12:45:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 90 states have (on average 1.5888888888888888) internal successors, (143), 112 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 147 transitions. [2024-11-13 12:45:40,381 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 147 transitions. Word has length 7 [2024-11-13 12:45:40,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:40,381 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 147 transitions. [2024-11-13 12:45:40,381 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) [2024-11-13 12:45:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2024-11-13 12:45:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 12:45:40,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:40,382 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-11-13 12:45:40,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:45:40,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:40,587 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:40,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:40,588 INFO L85 PathProgramCache]: Analyzing trace with hash 69697026, now seen corresponding path program 1 times [2024-11-13 12:45:40,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:40,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314015794] [2024-11-13 12:45:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:45:40,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314015794] [2024-11-13 12:45:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314015794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:40,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:40,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:40,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648117846] [2024-11-13 12:45:40,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:40,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:40,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:40,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:40,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:40,824 INFO L87 Difference]: Start difference. First operand 116 states and 147 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) [2024-11-13 12:45:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:40,847 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2024-11-13 12:45:40,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:40,848 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 [2024-11-13 12:45:40,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:40,849 INFO L225 Difference]: With dead ends: 116 [2024-11-13 12:45:40,849 INFO L226 Difference]: Without dead ends: 115 [2024-11-13 12:45:40,849 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 [2024-11-13 12:45:40,850 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 277 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 [2024-11-13 12:45:40,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 277 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:40,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-13 12:45:40,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 113. [2024-11-13 12:45:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 88 states have (on average 1.5909090909090908) internal successors, (140), 109 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 144 transitions. [2024-11-13 12:45:40,858 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 144 transitions. Word has length 8 [2024-11-13 12:45:40,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:40,859 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 144 transitions. [2024-11-13 12:45:40,859 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) [2024-11-13 12:45:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2024-11-13 12:45:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 12:45:40,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:40,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:40,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:45:40,860 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:40,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:40,860 INFO L85 PathProgramCache]: Analyzing trace with hash 129513722, now seen corresponding path program 1 times [2024-11-13 12:45:40,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:40,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394571303] [2024-11-13 12:45:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:40,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 12:45:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:41,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394571303] [2024-11-13 12:45:41,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394571303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058786765] [2024-11-13 12:45:41,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:41,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:41,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:41,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:45:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:41,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:45:41,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:41,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:45:41,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:41,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058786765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:41,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:41,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-13 12:45:41,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845861824] [2024-11-13 12:45:41,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:41,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:41,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:41,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:41,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:41,527 INFO L87 Difference]: Start difference. First operand 113 states and 144 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) [2024-11-13 12:45:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:41,580 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2024-11-13 12:45:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:41,581 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 [2024-11-13 12:45:41,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:41,582 INFO L225 Difference]: With dead ends: 113 [2024-11-13 12:45:41,582 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 12:45:41,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:41,583 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 125 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:41,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 141 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:41,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 12:45:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-13 12:45:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.5681818181818181) internal successors, (138), 107 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 142 transitions. [2024-11-13 12:45:41,593 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 142 transitions. Word has length 13 [2024-11-13 12:45:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:41,594 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 142 transitions. [2024-11-13 12:45:41,594 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) [2024-11-13 12:45:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 142 transitions. [2024-11-13 12:45:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 12:45:41,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:41,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:41,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:45:41,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:41,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:41,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:41,796 INFO L85 PathProgramCache]: Analyzing trace with hash -280041853, now seen corresponding path program 1 times [2024-11-13 12:45:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:41,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325655243] [2024-11-13 12:45:41,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:42,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 12:45:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:42,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:42,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325655243] [2024-11-13 12:45:42,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325655243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:42,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176200562] [2024-11-13 12:45:42,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:42,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:42,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:42,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:42,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:45:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:42,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:42,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:42,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:42,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176200562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:42,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:42,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 12:45:42,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111098500] [2024-11-13 12:45:42,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:42,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:45:42,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:42,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:45:42,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:45:42,474 INFO L87 Difference]: Start difference. First operand 111 states and 142 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) [2024-11-13 12:45:42,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:42,537 INFO L93 Difference]: Finished difference Result 225 states and 289 transitions. [2024-11-13 12:45:42,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:42,541 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 [2024-11-13 12:45:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:42,541 INFO L225 Difference]: With dead ends: 225 [2024-11-13 12:45:42,542 INFO L226 Difference]: Without dead ends: 120 [2024-11-13 12:45:42,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:45:42,543 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 4 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:42,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 408 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:42,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-13 12:45:42,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-13 12:45:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 116 states have internal predecessors, (147), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2024-11-13 12:45:42,561 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 14 [2024-11-13 12:45:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:42,562 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2024-11-13 12:45:42,562 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) [2024-11-13 12:45:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2024-11-13 12:45:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 12:45:42,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:42,562 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:42,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:45:42,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:42,764 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:42,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:42,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1682772465, now seen corresponding path program 2 times [2024-11-13 12:45:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:42,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190365999] [2024-11-13 12:45:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:42,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:43,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:45:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:43,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190365999] [2024-11-13 12:45:43,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190365999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:43,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829862708] [2024-11-13 12:45:43,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:45:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:43,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:43,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:45:43,593 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:45:43,594 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:43,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:45:43,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 12:45:43,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829862708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:43,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:43,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-13 12:45:43,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035785158] [2024-11-13 12:45:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:43,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:45:43,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:43,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:45:43,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:45:43,673 INFO L87 Difference]: Start difference. First operand 120 states and 151 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) [2024-11-13 12:45:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:43,751 INFO L93 Difference]: Finished difference Result 120 states and 151 transitions. [2024-11-13 12:45:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:45:43,752 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 [2024-11-13 12:45:43,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:43,753 INFO L225 Difference]: With dead ends: 120 [2024-11-13 12:45:43,753 INFO L226 Difference]: Without dead ends: 118 [2024-11-13 12:45:43,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:45:43,755 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 124 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:43,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 386 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:43,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-13 12:45:43,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-13 12:45:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.4948453608247423) internal successors, (145), 114 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 149 transitions. [2024-11-13 12:45:43,775 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 149 transitions. Word has length 23 [2024-11-13 12:45:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:43,775 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 149 transitions. [2024-11-13 12:45:43,775 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) [2024-11-13 12:45:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 149 transitions. [2024-11-13 12:45:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 12:45:43,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:43,776 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:43,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 12:45:43,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 12:45:43,977 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:43,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash -452203080, now seen corresponding path program 1 times [2024-11-13 12:45:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:43,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167674371] [2024-11-13 12:45:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:43,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:45:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 12:45:44,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:44,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167674371] [2024-11-13 12:45:44,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167674371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:44,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:44,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:44,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128934698] [2024-11-13 12:45:44,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:44,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:44,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:44,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:44,297 INFO L87 Difference]: Start difference. First operand 118 states and 149 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) [2024-11-13 12:45:44,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:44,336 INFO L93 Difference]: Finished difference Result 218 states and 281 transitions. [2024-11-13 12:45:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:44,339 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 [2024-11-13 12:45:44,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:44,340 INFO L225 Difference]: With dead ends: 218 [2024-11-13 12:45:44,340 INFO L226 Difference]: Without dead ends: 121 [2024-11-13 12:45:44,340 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 [2024-11-13 12:45:44,343 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 1 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:44,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 266 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-13 12:45:44,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-13 12:45:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.48) internal successors, (148), 117 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 152 transitions. [2024-11-13 12:45:44,353 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 152 transitions. Word has length 28 [2024-11-13 12:45:44,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:44,353 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 152 transitions. [2024-11-13 12:45:44,353 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) [2024-11-13 12:45:44,354 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 152 transitions. [2024-11-13 12:45:44,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 12:45:44,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:44,354 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] [2024-11-13 12:45:44,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:45:44,355 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:44,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:44,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1730535551, now seen corresponding path program 1 times [2024-11-13 12:45:44,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:44,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283362247] [2024-11-13 12:45:44,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:44,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:45:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 12:45:44,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:44,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283362247] [2024-11-13 12:45:44,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283362247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:44,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473830070] [2024-11-13 12:45:44,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:44,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:44,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:44,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:44,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:45:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:45,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:45:45,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:45:45,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:45:45,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473830070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:45,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:45,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-13 12:45:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952399183] [2024-11-13 12:45:45,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:45,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 12:45:45,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:45,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 12:45:45,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:45:45,318 INFO L87 Difference]: Start difference. First operand 121 states and 152 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:45:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:45,467 INFO L93 Difference]: Finished difference Result 244 states and 312 transitions. [2024-11-13 12:45:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:45:45,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-11-13 12:45:45,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:45,469 INFO L225 Difference]: With dead ends: 244 [2024-11-13 12:45:45,469 INFO L226 Difference]: Without dead ends: 138 [2024-11-13 12:45:45,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:45:45,473 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 5 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:45,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 638 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:45,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-13 12:45:45,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-13 12:45:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 118 states have (on average 1.3983050847457628) internal successors, (165), 134 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:45,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 169 transitions. [2024-11-13 12:45:45,494 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 169 transitions. Word has length 31 [2024-11-13 12:45:45,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:45,494 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 169 transitions. [2024-11-13 12:45:45,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:45:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 169 transitions. [2024-11-13 12:45:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 12:45:45,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:45,496 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:45,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:45:45,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 12:45:45,696 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:45,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:45,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1766933782, now seen corresponding path program 1 times [2024-11-13 12:45:45,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:45,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147118627] [2024-11-13 12:45:45,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:45,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 12:45:45,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147118627] [2024-11-13 12:45:45,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147118627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:45,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:45,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568120882] [2024-11-13 12:45:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:45,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:45,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:45,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:45,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:45,977 INFO L87 Difference]: Start difference. First operand 138 states and 169 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:46,002 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2024-11-13 12:45:46,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:46,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 50 [2024-11-13 12:45:46,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:46,004 INFO L225 Difference]: With dead ends: 143 [2024-11-13 12:45:46,004 INFO L226 Difference]: Without dead ends: 141 [2024-11-13 12:45:46,004 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 [2024-11-13 12:45:46,005 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:46,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 266 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:46,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-13 12:45:46,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-13 12:45:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 137 states have internal predecessors, (168), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 172 transitions. [2024-11-13 12:45:46,013 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 172 transitions. Word has length 50 [2024-11-13 12:45:46,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:46,013 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 172 transitions. [2024-11-13 12:45:46,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2024-11-13 12:45:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 12:45:46,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:46,015 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:46,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:45:46,015 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:46,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:46,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1853888866, now seen corresponding path program 1 times [2024-11-13 12:45:46,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:46,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392117538] [2024-11-13 12:45:46,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:46,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 12:45:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392117538] [2024-11-13 12:45:46,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392117538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:46,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:46,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:46,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046731682] [2024-11-13 12:45:46,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:46,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:46,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:46,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:46,397 INFO L87 Difference]: Start difference. First operand 141 states and 172 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:46,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:46,410 INFO L93 Difference]: Finished difference Result 202 states and 253 transitions. [2024-11-13 12:45:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:46,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 50 [2024-11-13 12:45:46,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:46,412 INFO L225 Difference]: With dead ends: 202 [2024-11-13 12:45:46,412 INFO L226 Difference]: Without dead ends: 118 [2024-11-13 12:45:46,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:46,413 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:46,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-13 12:45:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-13 12:45:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 114 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:46,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 143 transitions. [2024-11-13 12:45:46,422 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 143 transitions. Word has length 50 [2024-11-13 12:45:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:46,425 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 143 transitions. [2024-11-13 12:45:46,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2024-11-13 12:45:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 12:45:46,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:46,430 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:46,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:45:46,430 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:46,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:46,431 INFO L85 PathProgramCache]: Analyzing trace with hash -553274188, now seen corresponding path program 1 times [2024-11-13 12:45:46,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:46,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684229020] [2024-11-13 12:45:46,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 12:45:46,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:46,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684229020] [2024-11-13 12:45:46,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684229020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:46,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:46,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:46,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275427441] [2024-11-13 12:45:46,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:46,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:46,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:46,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:46,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:46,700 INFO L87 Difference]: Start difference. First operand 118 states and 143 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:46,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:46,744 INFO L93 Difference]: Finished difference Result 131 states and 158 transitions. [2024-11-13 12:45:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:46,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 50 [2024-11-13 12:45:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:46,745 INFO L225 Difference]: With dead ends: 131 [2024-11-13 12:45:46,745 INFO L226 Difference]: Without dead ends: 129 [2024-11-13 12:45:46,745 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 [2024-11-13 12:45:46,746 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 2 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:46,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 203 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-13 12:45:46,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-11-13 12:45:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 116 states have (on average 1.3103448275862069) internal successors, (152), 124 states have internal predecessors, (152), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-11-13 12:45:46,757 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 50 [2024-11-13 12:45:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:46,758 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-11-13 12:45:46,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-11-13 12:45:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 12:45:46,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:46,759 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:46,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 12:45:46,761 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:46,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:46,761 INFO L85 PathProgramCache]: Analyzing trace with hash -553272458, now seen corresponding path program 1 times [2024-11-13 12:45:46,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:46,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793015849] [2024-11-13 12:45:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:46,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 12:45:47,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:47,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793015849] [2024-11-13 12:45:47,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793015849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:47,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:47,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:47,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492521763] [2024-11-13 12:45:47,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:47,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:47,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:47,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:47,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:47,047 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:47,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:47,070 INFO L93 Difference]: Finished difference Result 128 states and 156 transitions. [2024-11-13 12:45:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:47,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 50 [2024-11-13 12:45:47,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:47,071 INFO L225 Difference]: With dead ends: 128 [2024-11-13 12:45:47,071 INFO L226 Difference]: Without dead ends: 127 [2024-11-13 12:45:47,072 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 [2024-11-13 12:45:47,072 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:47,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-13 12:45:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2024-11-13 12:45:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 119 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions. [2024-11-13 12:45:47,082 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 50 [2024-11-13 12:45:47,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:47,084 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 150 transitions. [2024-11-13 12:45:47,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2024-11-13 12:45:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 12:45:47,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:47,087 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:47,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 12:45:47,087 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:47,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:47,088 INFO L85 PathProgramCache]: Analyzing trace with hash 826140032, now seen corresponding path program 1 times [2024-11-13 12:45:47,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:47,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896889410] [2024-11-13 12:45:47,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:47,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 12:45:47,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:47,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896889410] [2024-11-13 12:45:47,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896889410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:47,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:47,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:45:47,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313442368] [2024-11-13 12:45:47,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:47,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:45:47,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:47,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:45:47,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:45:47,693 INFO L87 Difference]: Start difference. First operand 123 states and 150 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:47,796 INFO L93 Difference]: Finished difference Result 189 states and 237 transitions. [2024-11-13 12:45:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:47,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 52 [2024-11-13 12:45:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:47,798 INFO L225 Difference]: With dead ends: 189 [2024-11-13 12:45:47,799 INFO L226 Difference]: Without dead ends: 123 [2024-11-13 12:45:47,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:45:47,799 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 105 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:47,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 365 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-13 12:45:47,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-13 12:45:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 112 states have (on average 1.2946428571428572) internal successors, (145), 119 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2024-11-13 12:45:47,807 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 52 [2024-11-13 12:45:47,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:47,808 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2024-11-13 12:45:47,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2024-11-13 12:45:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 12:45:47,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:47,809 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:47,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 12:45:47,809 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:47,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash -912919650, now seen corresponding path program 1 times [2024-11-13 12:45:47,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:47,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745346442] [2024-11-13 12:45:47,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:48,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 12:45:48,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745346442] [2024-11-13 12:45:48,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745346442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742703330] [2024-11-13 12:45:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:48,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:48,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:48,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:48,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:45:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:48,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:48,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 12:45:48,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 12:45:48,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742703330] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:48,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:48,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 12:45:48,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524786370] [2024-11-13 12:45:48,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:48,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:45:48,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:45:48,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:45:48,726 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:48,781 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2024-11-13 12:45:48,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:48,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 58 [2024-11-13 12:45:48,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:48,782 INFO L225 Difference]: With dead ends: 220 [2024-11-13 12:45:48,782 INFO L226 Difference]: Without dead ends: 141 [2024-11-13 12:45:48,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:45:48,783 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 4 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:48,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 408 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:48,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-13 12:45:48,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-13 12:45:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 130 states have (on average 1.2538461538461538) internal successors, (163), 137 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2024-11-13 12:45:48,799 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 58 [2024-11-13 12:45:48,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:48,799 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2024-11-13 12:45:48,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2024-11-13 12:45:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 12:45:48,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:48,801 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:48,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:45:49,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:49,005 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:49,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:49,006 INFO L85 PathProgramCache]: Analyzing trace with hash -712345007, now seen corresponding path program 1 times [2024-11-13 12:45:49,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:49,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253658021] [2024-11-13 12:45:49,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:49,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:49,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 12:45:49,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:49,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253658021] [2024-11-13 12:45:49,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253658021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:49,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879439891] [2024-11-13 12:45:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:49,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:49,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:49,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:49,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:45:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:49,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:45:49,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 12:45:50,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 12:45:50,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879439891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:50,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:50,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-13 12:45:50,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209703648] [2024-11-13 12:45:50,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:50,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 12:45:50,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:50,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:45:50,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:45:50,105 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:50,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:50,202 INFO L93 Difference]: Finished difference Result 265 states and 326 transitions. [2024-11-13 12:45:50,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:45:50,203 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 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 69 [2024-11-13 12:45:50,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:50,204 INFO L225 Difference]: With dead ends: 265 [2024-11-13 12:45:50,204 INFO L226 Difference]: Without dead ends: 177 [2024-11-13 12:45:50,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:45:50,205 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 4 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:50,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 509 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:50,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-13 12:45:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-13 12:45:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 173 states have internal predecessors, (199), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 203 transitions. [2024-11-13 12:45:50,218 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 203 transitions. Word has length 69 [2024-11-13 12:45:50,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:50,218 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 203 transitions. [2024-11-13 12:45:50,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 203 transitions. [2024-11-13 12:45:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 12:45:50,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:50,219 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:50,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:45:50,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 12:45:50,424 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:50,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:50,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1034988943, now seen corresponding path program 2 times [2024-11-13 12:45:50,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:50,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335103623] [2024-11-13 12:45:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-13 12:45:50,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:50,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335103623] [2024-11-13 12:45:50,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335103623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:50,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252724103] [2024-11-13 12:45:50,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:45:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:50,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:50,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:50,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:45:51,426 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:45:51,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:51,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:45:51,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:51,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:51,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252724103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:51,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:51,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-13 12:45:51,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261455131] [2024-11-13 12:45:51,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:51,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:45:51,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:51,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:45:51,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:45:51,729 INFO L87 Difference]: Start difference. First operand 177 states and 203 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:51,838 INFO L93 Difference]: Finished difference Result 179 states and 206 transitions. [2024-11-13 12:45:51,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:51,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 87 [2024-11-13 12:45:51,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:51,840 INFO L225 Difference]: With dead ends: 179 [2024-11-13 12:45:51,840 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 12:45:51,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:45:51,841 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 87 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:51,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 357 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:51,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 12:45:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-11-13 12:45:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 166 states have (on average 1.1927710843373494) internal successors, (198), 172 states have internal predecessors, (198), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 202 transitions. [2024-11-13 12:45:51,854 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 202 transitions. Word has length 87 [2024-11-13 12:45:51,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:51,854 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 202 transitions. [2024-11-13 12:45:51,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 202 transitions. [2024-11-13 12:45:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 12:45:51,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:51,855 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:51,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:45:52,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:45:52,060 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:52,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1465188788, now seen corresponding path program 1 times [2024-11-13 12:45:52,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:52,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466109339] [2024-11-13 12:45:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:52,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:52,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:52,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:52,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466109339] [2024-11-13 12:45:52,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466109339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:52,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378412891] [2024-11-13 12:45:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:52,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:52,405 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:52,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:45:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:53,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:53,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:53,097 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:53,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378412891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:53,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:53,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 12:45:53,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160584175] [2024-11-13 12:45:53,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:53,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:45:53,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:53,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:45:53,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:53,100 INFO L87 Difference]: Start difference. First operand 176 states and 202 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:53,130 INFO L93 Difference]: Finished difference Result 176 states and 202 transitions. [2024-11-13 12:45:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:45:53,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 88 [2024-11-13 12:45:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:53,132 INFO L225 Difference]: With dead ends: 176 [2024-11-13 12:45:53,132 INFO L226 Difference]: Without dead ends: 175 [2024-11-13 12:45:53,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:53,133 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:53,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 202 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:53,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-13 12:45:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-13 12:45:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 166 states have (on average 1.1867469879518073) internal successors, (197), 171 states have internal predecessors, (197), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 201 transitions. [2024-11-13 12:45:53,145 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 201 transitions. Word has length 88 [2024-11-13 12:45:53,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:53,145 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 201 transitions. [2024-11-13 12:45:53,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 201 transitions. [2024-11-13 12:45:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 12:45:53,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:53,147 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:53,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:45:53,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:45:53,348 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:53,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:53,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2019885976, now seen corresponding path program 1 times [2024-11-13 12:45:53,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:53,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575682756] [2024-11-13 12:45:53,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:53,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:53,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:53,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:53,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575682756] [2024-11-13 12:45:53,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575682756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:53,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:53,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:53,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687696469] [2024-11-13 12:45:53,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:53,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:45:53,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:53,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:45:53,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:45:53,781 INFO L87 Difference]: Start difference. First operand 175 states and 201 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:53,839 INFO L93 Difference]: Finished difference Result 175 states and 201 transitions. [2024-11-13 12:45:53,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:45:53,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 88 [2024-11-13 12:45:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:53,841 INFO L225 Difference]: With dead ends: 175 [2024-11-13 12:45:53,841 INFO L226 Difference]: Without dead ends: 174 [2024-11-13 12:45:53,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:53,843 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 81 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:53,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 191 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-13 12:45:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-13 12:45:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 166 states have (on average 1.180722891566265) internal successors, (196), 170 states have internal predecessors, (196), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 200 transitions. [2024-11-13 12:45:53,862 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 200 transitions. Word has length 88 [2024-11-13 12:45:53,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:53,863 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 200 transitions. [2024-11-13 12:45:53,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:53,863 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 200 transitions. [2024-11-13 12:45:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 12:45:53,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:53,864 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:53,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 12:45:53,864 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:53,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1823788185, now seen corresponding path program 1 times [2024-11-13 12:45:53,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:53,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951360322] [2024-11-13 12:45:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:54,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:54,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951360322] [2024-11-13 12:45:54,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951360322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:54,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35738705] [2024-11-13 12:45:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:54,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:54,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:54,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:54,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:45:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:54,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:54,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:54,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-13 12:45:54,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35738705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:54,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:54,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 12:45:54,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125470766] [2024-11-13 12:45:54,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:54,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:45:54,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:54,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:45:54,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:45:54,894 INFO L87 Difference]: Start difference. First operand 174 states and 200 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:54,951 INFO L93 Difference]: Finished difference Result 184 states and 212 transitions. [2024-11-13 12:45:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 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 89 [2024-11-13 12:45:54,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:54,953 INFO L225 Difference]: With dead ends: 184 [2024-11-13 12:45:54,954 INFO L226 Difference]: Without dead ends: 183 [2024-11-13 12:45:54,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:45:54,954 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:54,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 399 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-13 12:45:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-13 12:45:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 175 states have (on average 1.1714285714285715) internal successors, (205), 179 states have internal predecessors, (205), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 209 transitions. [2024-11-13 12:45:54,974 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 209 transitions. Word has length 89 [2024-11-13 12:45:54,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:54,974 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 209 transitions. [2024-11-13 12:45:54,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2024-11-13 12:45:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 12:45:54,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:54,975 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:54,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:45:55,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:55,176 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:55,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:55,177 INFO L85 PathProgramCache]: Analyzing trace with hash -686479382, now seen corresponding path program 2 times [2024-11-13 12:45:55,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:55,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525656216] [2024-11-13 12:45:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:55,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-13 12:45:55,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:55,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525656216] [2024-11-13 12:45:55,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525656216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:55,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261145264] [2024-11-13 12:45:55,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:45:55,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:55,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:55,556 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:55,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:45:56,095 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:45:56,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:56,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:56,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-13 12:45:56,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-13 12:45:56,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261145264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:56,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:56,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-13 12:45:56,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031755295] [2024-11-13 12:45:56,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:56,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:45:56,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:56,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:45:56,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:45:56,334 INFO L87 Difference]: Start difference. First operand 183 states and 209 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:56,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:56,408 INFO L93 Difference]: Finished difference Result 183 states and 209 transitions. [2024-11-13 12:45:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:56,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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 98 [2024-11-13 12:45:56,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:56,409 INFO L225 Difference]: With dead ends: 183 [2024-11-13 12:45:56,410 INFO L226 Difference]: Without dead ends: 163 [2024-11-13 12:45:56,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:45:56,410 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:56,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 298 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:56,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-13 12:45:56,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-13 12:45:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.1602564102564104) internal successors, (181), 159 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 185 transitions. [2024-11-13 12:45:56,420 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 185 transitions. Word has length 98 [2024-11-13 12:45:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:56,421 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 185 transitions. [2024-11-13 12:45:56,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 185 transitions. [2024-11-13 12:45:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 12:45:56,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:56,422 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:56,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:45:56,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:56,623 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:56,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:56,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1748964699, now seen corresponding path program 1 times [2024-11-13 12:45:56,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:56,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173830465] [2024-11-13 12:45:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:56,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:56,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:56,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 12:45:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-13 12:45:56,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:56,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173830465] [2024-11-13 12:45:56,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173830465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:56,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:56,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:56,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030070885] [2024-11-13 12:45:56,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:56,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:45:56,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:56,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:45:56,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:45:56,985 INFO L87 Difference]: Start difference. First operand 163 states and 185 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:57,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:57,018 INFO L93 Difference]: Finished difference Result 176 states and 202 transitions. [2024-11-13 12:45:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:45:57,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 110 [2024-11-13 12:45:57,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:57,020 INFO L225 Difference]: With dead ends: 176 [2024-11-13 12:45:57,020 INFO L226 Difference]: Without dead ends: 175 [2024-11-13 12:45:57,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:45:57,021 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:57,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 187 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:57,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-13 12:45:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 174. [2024-11-13 12:45:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 166 states have (on average 1.1626506024096386) internal successors, (193), 169 states have internal predecessors, (193), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:45:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 199 transitions. [2024-11-13 12:45:57,037 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 199 transitions. Word has length 110 [2024-11-13 12:45:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:57,039 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 199 transitions. [2024-11-13 12:45:57,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 199 transitions. [2024-11-13 12:45:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 12:45:57,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:57,041 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:57,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 12:45:57,041 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1616668842, now seen corresponding path program 1 times [2024-11-13 12:45:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:57,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199530179] [2024-11-13 12:45:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:57,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:57,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 12:45:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-13 12:45:57,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:57,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199530179] [2024-11-13 12:45:57,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199530179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:57,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:57,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:45:57,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120453361] [2024-11-13 12:45:57,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:57,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:45:57,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:57,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:45:57,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:57,456 INFO L87 Difference]: Start difference. First operand 174 states and 199 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:45:57,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:57,494 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2024-11-13 12:45:57,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:45:57,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 111 [2024-11-13 12:45:57,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:57,497 INFO L225 Difference]: With dead ends: 209 [2024-11-13 12:45:57,497 INFO L226 Difference]: Without dead ends: 184 [2024-11-13 12:45:57,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:57,499 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 3 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:57,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 369 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:57,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-13 12:45:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2024-11-13 12:45:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 168 states have (on average 1.1607142857142858) internal successors, (195), 171 states have internal predecessors, (195), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:45:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 201 transitions. [2024-11-13 12:45:57,512 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 201 transitions. Word has length 111 [2024-11-13 12:45:57,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:57,513 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 201 transitions. [2024-11-13 12:45:57,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:45:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 201 transitions. [2024-11-13 12:45:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 12:45:57,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:57,514 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:57,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 12:45:57,514 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:57,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash 158338520, now seen corresponding path program 1 times [2024-11-13 12:45:57,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:57,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569251438] [2024-11-13 12:45:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:57,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 12:45:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-13 12:45:58,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:58,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569251438] [2024-11-13 12:45:58,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569251438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:58,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:58,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 12:45:58,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045850357] [2024-11-13 12:45:58,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:58,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:45:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:58,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:45:58,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:45:58,021 INFO L87 Difference]: Start difference. First operand 176 states and 201 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:58,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:58,132 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2024-11-13 12:45:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:45:58,132 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 111 [2024-11-13 12:45:58,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:58,133 INFO L225 Difference]: With dead ends: 182 [2024-11-13 12:45:58,134 INFO L226 Difference]: Without dead ends: 181 [2024-11-13 12:45:58,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:45:58,135 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:58,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 192 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-13 12:45:58,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2024-11-13 12:45:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 169 states have (on average 1.1597633136094674) internal successors, (196), 172 states have internal predecessors, (196), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:45:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 202 transitions. [2024-11-13 12:45:58,146 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 202 transitions. Word has length 111 [2024-11-13 12:45:58,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:58,146 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 202 transitions. [2024-11-13 12:45:58,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:45:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 202 transitions. [2024-11-13 12:45:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-13 12:45:58,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:58,149 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:58,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 12:45:58,150 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:58,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:58,150 INFO L85 PathProgramCache]: Analyzing trace with hash 774436394, now seen corresponding path program 2 times [2024-11-13 12:45:58,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:58,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078359057] [2024-11-13 12:45:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:58,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:45:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-13 12:45:58,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:58,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078359057] [2024-11-13 12:45:58,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078359057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:58,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941259569] [2024-11-13 12:45:58,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:45:58,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:58,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:58,565 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:58,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:45:59,345 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:45:59,345 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:59,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:45:59,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-13 12:45:59,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941259569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:59,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:59,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 12:45:59,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497431197] [2024-11-13 12:45:59,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:59,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:45:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:59,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:45:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:59,486 INFO L87 Difference]: Start difference. First operand 177 states and 202 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:59,545 INFO L93 Difference]: Finished difference Result 177 states and 202 transitions. [2024-11-13 12:45:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:45:59,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 112 [2024-11-13 12:45:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:59,547 INFO L225 Difference]: With dead ends: 177 [2024-11-13 12:45:59,548 INFO L226 Difference]: Without dead ends: 176 [2024-11-13 12:45:59,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:59,549 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 1 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:59,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 252 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:59,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-13 12:45:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-13 12:45:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 169 states have (on average 1.1538461538461537) internal successors, (195), 171 states have internal predecessors, (195), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:45:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 201 transitions. [2024-11-13 12:45:59,562 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 201 transitions. Word has length 112 [2024-11-13 12:45:59,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:59,563 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 201 transitions. [2024-11-13 12:45:59,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:45:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 201 transitions. [2024-11-13 12:45:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 12:45:59,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:59,564 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:59,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:45:59,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 12:45:59,772 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:45:59,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:59,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1762275469, now seen corresponding path program 1 times [2024-11-13 12:45:59,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:59,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596699330] [2024-11-13 12:45:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:59,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:46:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-13 12:46:00,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:00,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596699330] [2024-11-13 12:46:00,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596699330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:00,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351416937] [2024-11-13 12:46:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:00,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:00,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:00,252 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:00,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:46:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:01,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:46:01,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-13 12:46:01,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-13 12:46:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351416937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:01,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:01,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 12:46:01,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964533714] [2024-11-13 12:46:01,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:01,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:46:01,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:01,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:46:01,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:01,290 INFO L87 Difference]: Start difference. First operand 176 states and 201 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:01,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:01,384 INFO L93 Difference]: Finished difference Result 282 states and 315 transitions. [2024-11-13 12:46:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:46:01,385 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 113 [2024-11-13 12:46:01,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:01,386 INFO L225 Difference]: With dead ends: 282 [2024-11-13 12:46:01,386 INFO L226 Difference]: Without dead ends: 281 [2024-11-13 12:46:01,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:01,387 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:01,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:46:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-13 12:46:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-13 12:46:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 274 states have (on average 1.1167883211678833) internal successors, (306), 276 states have internal predecessors, (306), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 312 transitions. [2024-11-13 12:46:01,408 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 312 transitions. Word has length 113 [2024-11-13 12:46:01,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:01,409 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 312 transitions. [2024-11-13 12:46:01,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 312 transitions. [2024-11-13 12:46:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 12:46:01,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:01,411 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:01,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:46:01,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 12:46:01,611 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:01,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:01,612 INFO L85 PathProgramCache]: Analyzing trace with hash 219619949, now seen corresponding path program 1 times [2024-11-13 12:46:01,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:01,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282893754] [2024-11-13 12:46:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:02,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:46:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 12:46:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:02,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-13 12:46:02,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:02,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282893754] [2024-11-13 12:46:02,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282893754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:02,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620061024] [2024-11-13 12:46:02,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:02,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:02,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:02,130 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:02,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:46:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:02,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 1686 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:46:02,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-13 12:46:03,019 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:03,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620061024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:03,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:46:03,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-13 12:46:03,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834838197] [2024-11-13 12:46:03,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:03,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:46:03,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:03,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:46:03,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:03,020 INFO L87 Difference]: Start difference. First operand 281 states and 312 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:03,050 INFO L93 Difference]: Finished difference Result 281 states and 312 transitions. [2024-11-13 12:46:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:46:03,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 126 [2024-11-13 12:46:03,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:03,056 INFO L225 Difference]: With dead ends: 281 [2024-11-13 12:46:03,056 INFO L226 Difference]: Without dead ends: 280 [2024-11-13 12:46:03,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:03,057 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:03,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 172 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:03,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-13 12:46:03,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2024-11-13 12:46:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 274 states have (on average 1.1131386861313868) internal successors, (305), 275 states have internal predecessors, (305), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 311 transitions. [2024-11-13 12:46:03,077 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 311 transitions. Word has length 126 [2024-11-13 12:46:03,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:03,078 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 311 transitions. [2024-11-13 12:46:03,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 311 transitions. [2024-11-13 12:46:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 12:46:03,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:03,080 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:03,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 12:46:03,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 12:46:03,281 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:03,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:03,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1781715836, now seen corresponding path program 1 times [2024-11-13 12:46:03,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698766531] [2024-11-13 12:46:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:46:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:03,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 12:46:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:46:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-13 12:46:03,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698766531] [2024-11-13 12:46:03,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698766531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:03,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040887452] [2024-11-13 12:46:03,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:03,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:03,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:03,985 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:03,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 12:46:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:04,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 12:46:04,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-13 12:46:05,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-13 12:46:05,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040887452] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:05,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:05,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-13 12:46:05,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47918365] [2024-11-13 12:46:05,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:05,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 12:46:05,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:05,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 12:46:05,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:46:05,421 INFO L87 Difference]: Start difference. First operand 280 states and 311 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:46:05,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:05,642 INFO L93 Difference]: Finished difference Result 347 states and 398 transitions. [2024-11-13 12:46:05,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:46:05,643 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 127 [2024-11-13 12:46:05,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:05,645 INFO L225 Difference]: With dead ends: 347 [2024-11-13 12:46:05,645 INFO L226 Difference]: Without dead ends: 280 [2024-11-13 12:46:05,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:46:05,646 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 62 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:05,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 636 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:46:05,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-13 12:46:05,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2024-11-13 12:46:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 274 states have (on average 1.1094890510948905) internal successors, (304), 275 states have internal predecessors, (304), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 310 transitions. [2024-11-13 12:46:05,670 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 310 transitions. Word has length 127 [2024-11-13 12:46:05,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:05,670 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 310 transitions. [2024-11-13 12:46:05,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:46:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 310 transitions. [2024-11-13 12:46:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 12:46:05,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:05,672 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:05,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 12:46:05,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 12:46:05,877 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:05,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1729230579, now seen corresponding path program 2 times [2024-11-13 12:46:05,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:05,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32547339] [2024-11-13 12:46:05,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:07,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 12:46:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:07,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 12:46:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:07,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 12:46:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-13 12:46:08,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:08,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32547339] [2024-11-13 12:46:08,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32547339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:08,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692487398] [2024-11-13 12:46:08,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:46:08,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:08,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:08,004 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:08,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 12:46:08,977 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:46:08,977 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:46:08,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 12:46:08,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:09,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-13 12:46:09,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2024-11-13 12:46:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 8 proven. 327 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-13 12:46:09,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:09,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-13 12:46:09,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-11-13 12:46:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-13 12:46:09,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692487398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:09,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:09,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 13 [2024-11-13 12:46:09,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619589387] [2024-11-13 12:46:09,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:09,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 12:46:09,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:09,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:46:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:46:09,455 INFO L87 Difference]: Start difference. First operand 280 states and 310 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:46:09,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:09,749 INFO L93 Difference]: Finished difference Result 342 states and 393 transitions. [2024-11-13 12:46:09,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:46:09,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 162 [2024-11-13 12:46:09,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:09,752 INFO L225 Difference]: With dead ends: 342 [2024-11-13 12:46:09,752 INFO L226 Difference]: Without dead ends: 287 [2024-11-13 12:46:09,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-13 12:46:09,753 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 20 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:09,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 768 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:46:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-13 12:46:09,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2024-11-13 12:46:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 277 states have (on average 1.1046931407942238) internal successors, (306), 278 states have internal predecessors, (306), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 312 transitions. [2024-11-13 12:46:09,788 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 312 transitions. Word has length 162 [2024-11-13 12:46:09,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:09,789 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 312 transitions. [2024-11-13 12:46:09,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:46:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 312 transitions. [2024-11-13 12:46:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-13 12:46:09,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:09,792 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:09,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 12:46:09,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 12:46:09,996 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:09,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:09,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1135228032, now seen corresponding path program 1 times [2024-11-13 12:46:09,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:09,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882788030] [2024-11-13 12:46:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:09,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:46:10,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:46:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:46:11,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:46:11,467 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:46:11,469 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-13 12:46:11,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-13 12:46:11,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-13 12:46:11,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-13 12:46:11,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-13 12:46:11,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-13 12:46:11,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-13 12:46:11,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-13 12:46:11,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-13 12:46:11,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-13 12:46:11,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-13 12:46:11,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-13 12:46:11,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-13 12:46:11,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 12:46:11,477 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:11,621 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:46:11,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:46:11 BoogieIcfgContainer [2024-11-13 12:46:11,631 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:46:11,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:46:11,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:46:11,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:46:11,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:45:38" (3/4) ... [2024-11-13 12:46:11,635 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:46:11,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:46:11,637 INFO L158 Benchmark]: Toolchain (without parser) took 36088.27ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 89.7MB in the beginning and 443.0MB in the end (delta: -353.3MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,637 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:46:11,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 998.44ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 43.2MB in the end (delta: 46.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.41ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 87.4MB in the end (delta: -44.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,637 INFO L158 Benchmark]: Boogie Preprocessor took 154.14ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 78.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,637 INFO L158 Benchmark]: RCFGBuilder took 1531.45ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 57.5MB in the end (delta: 20.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,638 INFO L158 Benchmark]: TraceAbstraction took 33277.89ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 56.9MB in the beginning and 443.1MB in the end (delta: -386.2MB). Peak memory consumption was 353.3MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,638 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 637.5MB. Free memory was 443.1MB in the beginning and 443.0MB in the end (delta: 54.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:46:11,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 998.44ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 43.2MB in the end (delta: 46.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.41ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 87.4MB in the end (delta: -44.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.14ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 78.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1531.45ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 57.5MB in the end (delta: 20.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 33277.89ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 56.9MB in the beginning and 443.1MB in the end (delta: -386.2MB). Peak memory consumption was 353.3MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 637.5MB. Free memory was 443.1MB in the beginning and 443.0MB in the end (delta: 54.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1475]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of strcmp at line 1383, overapproximation of strlen at line 1397, overapproximation of strrchr at line 1424. Possible FailurePath: [L1318] static const char *applet_name; [L1319] static signed int bb_errno_location; [L1319] static signed int bb_errno_location; [L1320] static signed int * const bb_errno = &bb_errno_location; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; [L1512] static struct utmp dummy_utmp; VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1575] char *a = malloc(11); [L1576] a[10] = 0 [L1577] int i=0; VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=0] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=1] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=2] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=3] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=4] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=5] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=6] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=7] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=8] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=9] [L1577] COND TRUE i<10 [L1578] a[i]=__VERIFIER_nondet_char() VAL [applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1577] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=10] [L1577] COND FALSE !(i<10) VAL [a={-1:0}, applet_name={0:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}] [L1579] applet_name = a [L1580] bb_errno_location = __VERIFIER_nondet_int() [L1581] optind = 1 [L1582] int argc = __VERIFIER_nondet_int(); [L1583] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1583] RET assume_abort_if_not(argc >= 1 && argc <= 10000) VAL [applet_name={-1:0}, argc=2, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1584] EXPR argc+1 [L1584] char **argv=malloc((argc+1)*sizeof(char*)); [L1585] EXPR argc+1 [L1585] char **mem_track=malloc((argc+1)*sizeof(char*)); [L1586] argv[argc]=0 [L1587] int i=0; VAL [applet_name={-1:0}, argc=2, argv={-13:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, i=0, mem_track={-14:0}, optind=1] [L1587] COND TRUE i= 2u) [L1395] argv = argv + 1l [L1396] EXPR \read(**argv) [L1396] CALL, EXPR bb_get_last_path_component_strip(*argv) [L1443] char *slash; [L1444] CALL, EXPR last_char_is(path, 47) [L1482] COND TRUE !(s == ((const char *)((void *)0))) [L1484] EXPR \read(*s) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1484] COND FALSE !(!((signed int)*s == 0)) [L1495] return (char *)((void *)0); VAL [\result={0:0}, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, c=47, dummy_utmp={11:0}, optind=1, s={-26:0}] [L1444] RET, EXPR last_char_is(path, 47) [L1444] slash=last_char_is(path, 47) [L1445] char *tmp_post$1; VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1, path={-26:0}, slash={0:0}] [L1446] COND FALSE !(!(slash == ((char *)((void *)0)))) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1454] char *return_value_bb_get_last_path_component_nostrip$2; [L1455] CALL, EXPR bb_get_last_path_component_nostrip(path) [L1423] char *slash; VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1, path={-26:0}] [L1424] slash=strrchr(path, 47) [L1425] _Bool tmp_if_expr$2; [L1426] _Bool tmp_if_expr$1; VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1, path={-26:0}, slash={0:0}] [L1427] COND TRUE slash == ((char *)((void *)0)) [L1428] tmp_if_expr$2 = 1 != 0 VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1, path={-26:0}, slash={0:0}, tmp_if_expr$2=1] [L1437] COND TRUE !(tmp_if_expr$2 == (_Bool)0) [L1438] return (char *)path; VAL [\result={-26:0}, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1, slash={0:0}] [L1455] RET, EXPR bb_get_last_path_component_nostrip(path) [L1455] return_value_bb_get_last_path_component_nostrip$2=bb_get_last_path_component_nostrip(path) [L1456] return return_value_bb_get_last_path_component_nostrip$2; VAL [\result={-26:0}, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1396] RET, EXPR bb_get_last_path_component_strip(*argv) [L1396] s=bb_get_last_path_component_strip(*argv) [L1397] m=strlen(s) [L1398] argv = argv + 1l [L1399] signed int tmp_statement_expression$6; [L1400] EXPR \read(**argv) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1400] COND FALSE !(!(*argv == ((char *)((void *)0)))) [L1414] unsigned long int tmp_post$8 = m; [L1415] m = m + 1ul [L1416] s[(signed long int)tmp_post$8] = (char)10 [L1417] signed long int return_value_full_write$9; [L1418] CALL full_write(1, (const void *)s, m) [L1464] signed long int cc; [L1465] signed long int total = (signed long int)0; VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:0}, dummy_utmp={11:0}, fd=1, len=9223372036854776138U, optind=1, total=0] [L1466] COND TRUE !(len == 0ul) [L1468] CALL, EXPR safe_write(fd, buf, len) [L1499] signed long int n; [L1500] _Bool tmp_if_expr$1; VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:0}, count=9223372036854776138U, dummy_utmp={11:0}, fd=1, optind=1] [L1503] CALL, EXPR write(fd, buf, count) [L1569] long ret=__VERIFIER_nondet_long(); [L1570] CALL assume_abort_if_not(ret==-1 || (ret >= 0 && ret<=nbyte)) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1570] RET assume_abort_if_not(ret==-1 || (ret >= 0 && ret<=nbyte)) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, nbyte=9223372036854776138U, optind=1, ret=2] [L1571] return ret; VAL [\result=2, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, nbyte=9223372036854776138U, optind=1] [L1503] RET, EXPR write(fd, buf, count) [L1503] n=write(fd, buf, count) [L1504] COND FALSE !(n < 0l) [L1507] tmp_if_expr$1 = 0 != 0 VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:0}, count=9223372036854776138U, dummy_utmp={11:0}, fd=1, n=2, optind=1, tmp_if_expr$1=0] [L1509] COND FALSE !(tmp_if_expr$1 != (_Bool)0) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:0}, count=9223372036854776138U, dummy_utmp={11:0}, fd=1, n=2, optind=1] [L1510] return n; VAL [\result=2, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:0}, count=9223372036854776138U, dummy_utmp={11:0}, fd=1, optind=1] [L1468] RET, EXPR safe_write(fd, buf, len) [L1468] cc=safe_write(fd, buf, len) [L1469] COND FALSE !(cc < 0l) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:0}, cc=2, dummy_utmp={11:0}, fd=1, len=9223372036854776138U, optind=1, total=0] [L1475] EXPR total + cc [L1475] total = total + cc [L1476] buf = (const void *)((const char *)buf + cc) [L1466] len = len - (unsigned long int)cc VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, dummy_utmp={11:0}, fd=1, len=9223372036854776136U, optind=1, total=2] [L1466] COND TRUE !(len == 0ul) [L1468] CALL, EXPR safe_write(fd, buf, len) [L1499] signed long int n; [L1500] _Bool tmp_if_expr$1; VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, count=9223372036854776136U, dummy_utmp={11:0}, fd=1, optind=1] [L1503] CALL, EXPR write(fd, buf, count) [L1569] long ret=__VERIFIER_nondet_long(); [L1570] CALL assume_abort_if_not(ret==-1 || (ret >= 0 && ret<=nbyte)) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, optind=1] [L1570] RET assume_abort_if_not(ret==-1 || (ret >= 0 && ret<=nbyte)) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, nbyte=9223372036854776136U, optind=1, ret=9223372036854775806] [L1571] return ret; VAL [\result=9223372036854775806, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, dummy_utmp={11:0}, nbyte=9223372036854776136U, optind=1] [L1503] RET, EXPR write(fd, buf, count) [L1503] n=write(fd, buf, count) [L1504] COND FALSE !(n < 0l) [L1507] tmp_if_expr$1 = 0 != 0 VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, count=9223372036854776136U, dummy_utmp={11:0}, fd=1, n=9223372036854775806, optind=1, tmp_if_expr$1=0] [L1509] COND FALSE !(tmp_if_expr$1 != (_Bool)0) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, count=9223372036854776136U, dummy_utmp={11:0}, fd=1, n=9223372036854775806, optind=1] [L1510] return n; VAL [\result=9223372036854775806, applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, count=9223372036854776136U, dummy_utmp={11:0}, fd=1, optind=1] [L1468] RET, EXPR safe_write(fd, buf, len) [L1468] cc=safe_write(fd, buf, len) [L1469] COND FALSE !(cc < 0l) VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, cc=9223372036854775806, dummy_utmp={11:0}, fd=1, len=9223372036854776136U, optind=1, total=2] [L1475] total + cc VAL [applet_name={-1:0}, bb_errno={10:0}, bb_errno_location={10:0}, buf={-26:2}, dummy_utmp={11:0}, fd=1, len=9223372036854776136U, optind=1] - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1592]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1592]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1379]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1379]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1390]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1390]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1475]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 33.1s, OverallIterations: 29, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 723 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 715 mSDsluCounter, 9296 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6265 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 940 IncrementalHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 3031 mSDtfsCounter, 940 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2141 GetRequests, 2007 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=28, InterpolantAutomatonStates: 155, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 28 MinimizatonAttempts, 26 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 3315 NumberOfCodeBlocks, 3161 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 3854 ConstructedInterpolants, 0 QuantifiedInterpolants, 8533 SizeOfPredicates, 13 NumberOfNonLiveVariables, 20750 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 53 InterpolantComputations, 19 PerfectInterpolantSequences, 11296/13769 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 12:46:11,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd --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 77d101c015aa227688f75df3fd905b74c24dd55f9fd8e8478582e7eae4d24583 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:46:14,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:46:14,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-13 12:46:14,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:46:14,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:46:14,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-13 12:46:14,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:46:14,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:46:14,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:46:14,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:46:14,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:46:14,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:46:14,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:46:14,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:46:14,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:46:14,573 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:46:14,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:46:14,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:46:14,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:46:14,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:46:14,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:46:14,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:46:14,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:46:14,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:46:14,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:46:14,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 12:46:14,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:46:14,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:46:14,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:46:14,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:46:14,577 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd 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 -> 77d101c015aa227688f75df3fd905b74c24dd55f9fd8e8478582e7eae4d24583 [2024-11-13 12:46:14,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:46:14,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:46:14,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:46:14,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:46:14,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:46:14,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i Unable to find full path for "g++" [2024-11-13 12:46:16,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:46:17,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:46:17,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2024-11-13 12:46:17,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data/952d07759/66aab8e9eacc4bc0b3c0c081e13efd49/FLAGa638fb411 [2024-11-13 12:46:17,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/data/952d07759/66aab8e9eacc4bc0b3c0c081e13efd49 [2024-11-13 12:46:17,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:46:17,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:46:17,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:46:17,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:46:17,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:46:17,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:46:17" (1/1) ... [2024-11-13 12:46:17,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b59e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:17, skipping insertion in model container [2024-11-13 12:46:17,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:46:17" (1/1) ... [2024-11-13 12:46:17,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:46:18,246 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,276 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,285 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,289 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,293 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,309 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,309 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,312 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,315 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,318 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,332 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 12:46:18,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:46:18,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:46:18,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:46:18,675 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:46:18,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18 WrapperNode [2024-11-13 12:46:18,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:46:18,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:46:18,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:46:18,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:46:18,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,781 INFO L138 Inliner]: procedures = 353, calls = 463, calls flagged for inlining = 11, calls inlined = 10, statements flattened = 727 [2024-11-13 12:46:18,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:46:18,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:46:18,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:46:18,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:46:18,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,902 INFO L175 MemorySlicer]: Split 412 memory accesses to 14 slices as follows [2, 3, 3, 3, 2, 4, 4, 4, 3, 3, 355, 12, 12, 2]. 86 percent of accesses are in the largest equivalence class. The 379 initializations are split as follows [2, 3, 3, 3, 0, 3, 3, 3, 3, 1, 355, 0, 0, 0]. The 11 writes are split as follows [0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 5, 2, 1]. [2024-11-13 12:46:18,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:18,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:19,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:46:19,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:46:19,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:46:19,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:46:19,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (1/1) ... [2024-11-13 12:46:19,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:46:19,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:19,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:46:19,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:46:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-13 12:46:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-13 12:46:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-13 12:46:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-13 12:46:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-13 12:46:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-13 12:46:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-13 12:46:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-13 12:46:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-13 12:46:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-13 12:46:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-13 12:46:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-13 12:46:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-13 12:46:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-13 12:46:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 12:46:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 12:46:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 12:46:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 12:46:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-13 12:46:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-13 12:46:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-13 12:46:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:46:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:46:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 12:46:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-13 12:46:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-13 12:46:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-13 12:46:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-13 12:46:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 12:46:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-13 12:46:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-13 12:46:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-13 12:46:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-13 12:46:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 12:46:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-13 12:46:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-13 12:46:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-13 12:46:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-13 12:46:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-13 12:46:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:46:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:46:19,686 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:46:19,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:46:20,964 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-13 12:46:20,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:46:20,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:46:20,982 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-13 12:46:20,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:46:20 BoogieIcfgContainer [2024-11-13 12:46:20,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:46:20,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:46:20,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:46:20,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:46:20,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:46:17" (1/3) ... [2024-11-13 12:46:20,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519516a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:46:20, skipping insertion in model container [2024-11-13 12:46:20,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:46:18" (2/3) ... [2024-11-13 12:46:20,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519516a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:46:20, skipping insertion in model container [2024-11-13 12:46:20,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:46:20" (3/3) ... [2024-11-13 12:46:20,999 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2024-11-13 12:46:21,017 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:46:21,022 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG basename-2.i that has 2 procedures, 120 locations, 1 initial locations, 7 loop locations, and 24 error locations. [2024-11-13 12:46:21,092 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:46:21,111 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;@7e6f8df0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:46:21,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-13 12:46:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 116 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 12:46:21,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:21,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 12:46:21,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:21,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:21,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1172036, now seen corresponding path program 1 times [2024-11-13 12:46:21,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:21,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804418032] [2024-11-13 12:46:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:21,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:21,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:21,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:46:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:22,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 12:46:22,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:22,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:22,267 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:22,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804418032] [2024-11-13 12:46:22,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804418032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:22,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:22,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 12:46:22,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367569970] [2024-11-13 12:46:22,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:22,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:46:22,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:22,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:46:22,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:46:22,296 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.7282608695652173) internal successors, (159), 116 states have internal predecessors, (159), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2024-11-13 12:46:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:22,332 INFO L93 Difference]: Finished difference Result 219 states and 318 transitions. [2024-11-13 12:46:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:46:22,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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 [2024-11-13 12:46:22,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:22,339 INFO L225 Difference]: With dead ends: 219 [2024-11-13 12:46:22,339 INFO L226 Difference]: Without dead ends: 100 [2024-11-13 12:46:22,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:46:22,345 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:22,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-13 12:46:22,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-13 12:46:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 96 states have internal predecessors, (127), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 131 transitions. [2024-11-13 12:46:22,394 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 131 transitions. Word has length 4 [2024-11-13 12:46:22,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:22,394 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 131 transitions. [2024-11-13 12:46:22,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2024-11-13 12:46:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2024-11-13 12:46:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 12:46:22,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:22,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 12:46:22,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:46:22,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:22,596 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:22,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:22,597 INFO L85 PathProgramCache]: Analyzing trace with hash 36333168, now seen corresponding path program 1 times [2024-11-13 12:46:22,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:22,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940652421] [2024-11-13 12:46:22,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:22,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:22,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:22,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:22,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:46:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:23,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:46:23,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:23,543 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:23,543 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:23,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940652421] [2024-11-13 12:46:23,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940652421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:23,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:23,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:46:23,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129673926] [2024-11-13 12:46:23,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:23,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:46:23,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:23,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:46:23,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:23,547 INFO L87 Difference]: Start difference. First operand 100 states and 131 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:23,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:23,615 INFO L93 Difference]: Finished difference Result 198 states and 260 transitions. [2024-11-13 12:46:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:46:23,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-13 12:46:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:23,617 INFO L225 Difference]: With dead ends: 198 [2024-11-13 12:46:23,617 INFO L226 Difference]: Without dead ends: 103 [2024-11-13 12:46:23,618 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 [2024-11-13 12:46:23,620 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:23,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:23,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-13 12:46:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-13 12:46:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 99 states have internal predecessors, (130), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2024-11-13 12:46:23,638 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 134 transitions. Word has length 5 [2024-11-13 12:46:23,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:23,638 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-13 12:46:23,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:23,638 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2024-11-13 12:46:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 12:46:23,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:23,639 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-11-13 12:46:23,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:46:23,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:23,839 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:23,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash 69697026, now seen corresponding path program 1 times [2024-11-13 12:46:23,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:23,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133709110] [2024-11-13 12:46:23,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:23,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:23,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:23,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:46:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:24,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:46:24,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:24,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:24,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:25,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133709110] [2024-11-13 12:46:25,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133709110] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:25,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:46:25,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 12:46:25,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272054533] [2024-11-13 12:46:25,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:25,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:46:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:46:25,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:46:25,002 INFO L87 Difference]: Start difference. First operand 103 states and 134 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:25,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:25,133 INFO L93 Difference]: Finished difference Result 201 states and 265 transitions. [2024-11-13 12:46:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:46:25,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 12:46:25,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:25,135 INFO L225 Difference]: With dead ends: 201 [2024-11-13 12:46:25,135 INFO L226 Difference]: Without dead ends: 106 [2024-11-13 12:46:25,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:25,137 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:25,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 374 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:46:25,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-13 12:46:25,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2024-11-13 12:46:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 99 states have internal predecessors, (130), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 134 transitions. [2024-11-13 12:46:25,155 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 134 transitions. Word has length 8 [2024-11-13 12:46:25,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:25,156 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 134 transitions. [2024-11-13 12:46:25,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2024-11-13 12:46:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 12:46:25,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:25,157 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:25,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:46:25,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:25,358 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash -989973711, now seen corresponding path program 1 times [2024-11-13 12:46:25,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:25,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63849824] [2024-11-13 12:46:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:25,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:25,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:25,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:25,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:46:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:26,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:46:26,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:46:26,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:26,276 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:26,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63849824] [2024-11-13 12:46:26,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63849824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:26,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:26,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:46:26,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518852249] [2024-11-13 12:46:26,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:26,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:46:26,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:26,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:46:26,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:46:26,279 INFO L87 Difference]: Start difference. First operand 103 states and 134 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) [2024-11-13 12:46:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:26,640 INFO L93 Difference]: Finished difference Result 103 states and 134 transitions. [2024-11-13 12:46:26,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:46:26,642 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 17 [2024-11-13 12:46:26,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:26,643 INFO L225 Difference]: With dead ends: 103 [2024-11-13 12:46:26,643 INFO L226 Difference]: Without dead ends: 101 [2024-11-13 12:46:26,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:46:26,644 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 113 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:26,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 353 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 12:46:26,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-13 12:46:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-13 12:46:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 97 states have internal predecessors, (128), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2024-11-13 12:46:26,661 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 17 [2024-11-13 12:46:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:26,664 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2024-11-13 12:46:26,664 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) [2024-11-13 12:46:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2024-11-13 12:46:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 12:46:26,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:26,665 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:26,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 12:46:26,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:26,865 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:26,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -74122531, now seen corresponding path program 1 times [2024-11-13 12:46:26,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441028331] [2024-11-13 12:46:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:26,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:26,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:26,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:26,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:46:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:27,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:46:27,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:46:27,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:27,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441028331] [2024-11-13 12:46:27,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441028331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:27,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:27,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:46:27,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626023591] [2024-11-13 12:46:27,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:27,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:46:27,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:27,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:46:27,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:27,797 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:27,847 INFO L93 Difference]: Finished difference Result 190 states and 252 transitions. [2024-11-13 12:46:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:46:27,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 [2024-11-13 12:46:27,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:27,849 INFO L225 Difference]: With dead ends: 190 [2024-11-13 12:46:27,850 INFO L226 Difference]: Without dead ends: 104 [2024-11-13 12:46:27,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:27,851 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:27,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:27,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-13 12:46:27,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-13 12:46:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 100 states have internal predecessors, (131), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2024-11-13 12:46:27,859 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 135 transitions. Word has length 23 [2024-11-13 12:46:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:27,859 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 135 transitions. [2024-11-13 12:46:27,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2024-11-13 12:46:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 12:46:27,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:27,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:27,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:46:28,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:28,061 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:28,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:28,061 INFO L85 PathProgramCache]: Analyzing trace with hash -571050378, now seen corresponding path program 1 times [2024-11-13 12:46:28,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:28,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485829418] [2024-11-13 12:46:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:28,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:28,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:28,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:46:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:29,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:46:29,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:46:29,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:46:29,177 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:29,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485829418] [2024-11-13 12:46:29,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485829418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:29,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:46:29,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 12:46:29,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237992651] [2024-11-13 12:46:29,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:29,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:46:29,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:29,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:46:29,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:46:29,178 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:29,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:29,421 INFO L93 Difference]: Finished difference Result 196 states and 260 transitions. [2024-11-13 12:46:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:46:29,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 26 [2024-11-13 12:46:29,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:29,424 INFO L225 Difference]: With dead ends: 196 [2024-11-13 12:46:29,424 INFO L226 Difference]: Without dead ends: 107 [2024-11-13 12:46:29,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:29,425 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:29,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 483 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:46:29,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-13 12:46:29,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-11-13 12:46:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 100 states have internal predecessors, (131), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2024-11-13 12:46:29,433 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 135 transitions. Word has length 26 [2024-11-13 12:46:29,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:29,434 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 135 transitions. [2024-11-13 12:46:29,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2024-11-13 12:46:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 12:46:29,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:29,435 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:29,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:46:29,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:29,635 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:29,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash 508512443, now seen corresponding path program 1 times [2024-11-13 12:46:29,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:29,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224790705] [2024-11-13 12:46:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:29,641 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:46:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:30,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:46:30,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:46:30,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:30,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:30,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224790705] [2024-11-13 12:46:30,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224790705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:30,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:30,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:46:30,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739495464] [2024-11-13 12:46:30,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:30,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:46:30,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:30,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:46:30,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:30,703 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:30,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:30,738 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2024-11-13 12:46:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:46:30,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 27 [2024-11-13 12:46:30,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:30,739 INFO L225 Difference]: With dead ends: 108 [2024-11-13 12:46:30,739 INFO L226 Difference]: Without dead ends: 107 [2024-11-13 12:46:30,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:30,740 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:30,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:30,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-13 12:46:30,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-13 12:46:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 98 states have (on average 1.3673469387755102) internal successors, (134), 103 states have internal predecessors, (134), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 138 transitions. [2024-11-13 12:46:30,748 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 138 transitions. Word has length 27 [2024-11-13 12:46:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:30,748 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 138 transitions. [2024-11-13 12:46:30,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 138 transitions. [2024-11-13 12:46:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 12:46:30,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:30,752 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:30,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:46:30,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:30,953 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:30,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:30,954 INFO L85 PathProgramCache]: Analyzing trace with hash 921428096, now seen corresponding path program 1 times [2024-11-13 12:46:30,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:30,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803987425] [2024-11-13 12:46:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:30,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:30,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:30,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:30,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:46:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:31,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:46:31,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:46:31,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:31,945 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:31,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803987425] [2024-11-13 12:46:31,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803987425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:31,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:31,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:46:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983069104] [2024-11-13 12:46:31,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:31,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:46:31,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:31,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:46:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:46:31,947 INFO L87 Difference]: Start difference. First operand 107 states and 138 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:32,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:32,506 INFO L93 Difference]: Finished difference Result 199 states and 259 transitions. [2024-11-13 12:46:32,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:46:32,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 [2024-11-13 12:46:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:32,508 INFO L225 Difference]: With dead ends: 199 [2024-11-13 12:46:32,508 INFO L226 Difference]: Without dead ends: 118 [2024-11-13 12:46:32,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:46:32,509 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 117 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:32,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 451 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 12:46:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-13 12:46:32,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-13 12:46:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 114 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2024-11-13 12:46:32,521 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 28 [2024-11-13 12:46:32,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:32,521 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2024-11-13 12:46:32,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2024-11-13 12:46:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 12:46:32,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:32,523 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:32,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:46:32,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:32,723 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:32,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:32,724 INFO L85 PathProgramCache]: Analyzing trace with hash 719909361, now seen corresponding path program 1 times [2024-11-13 12:46:32,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:32,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157848769] [2024-11-13 12:46:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:32,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:32,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:32,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:32,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:46:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:33,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 12:46:33,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 12:46:33,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 12:46:33,891 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:33,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157848769] [2024-11-13 12:46:33,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157848769] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:33,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:46:33,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-13 12:46:33,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510358102] [2024-11-13 12:46:33,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:33,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:46:33,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:33,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:46:33,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:33,893 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:34,184 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2024-11-13 12:46:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:46:34,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 39 [2024-11-13 12:46:34,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:34,186 INFO L225 Difference]: With dead ends: 120 [2024-11-13 12:46:34,186 INFO L226 Difference]: Without dead ends: 119 [2024-11-13 12:46:34,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:46:34,187 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 128 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:34,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 218 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 12:46:34,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-13 12:46:34,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2024-11-13 12:46:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 113 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2024-11-13 12:46:34,196 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 39 [2024-11-13 12:46:34,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:34,196 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2024-11-13 12:46:34,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2024-11-13 12:46:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 12:46:34,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:34,198 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:34,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:46:34,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:34,398 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:34,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:34,399 INFO L85 PathProgramCache]: Analyzing trace with hash 358911001, now seen corresponding path program 1 times [2024-11-13 12:46:34,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:34,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452116512] [2024-11-13 12:46:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:34,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:34,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:34,402 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:34,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:46:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:35,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:46:35,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 12:46:35,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 12:46:35,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:35,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452116512] [2024-11-13 12:46:35,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452116512] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:35,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:46:35,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 12:46:35,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577591513] [2024-11-13 12:46:35,395 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:35,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:46:35,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:35,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:46:35,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:46:35,396 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:35,495 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2024-11-13 12:46:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:46:35,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 41 [2024-11-13 12:46:35,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:35,497 INFO L225 Difference]: With dead ends: 124 [2024-11-13 12:46:35,497 INFO L226 Difference]: Without dead ends: 106 [2024-11-13 12:46:35,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:35,498 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:35,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:46:35,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-13 12:46:35,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-13 12:46:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 102 states have internal predecessors, (130), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 134 transitions. [2024-11-13 12:46:35,506 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 134 transitions. Word has length 41 [2024-11-13 12:46:35,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:35,506 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 134 transitions. [2024-11-13 12:46:35,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2024-11-13 12:46:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 12:46:35,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:35,507 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:35,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:46:35,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:35,708 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:35,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:35,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1634600819, now seen corresponding path program 1 times [2024-11-13 12:46:35,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:35,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209281646] [2024-11-13 12:46:35,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:35,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:35,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:35,711 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:35,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:46:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:36,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:46:36,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 12:46:36,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 12:46:37,028 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:37,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209281646] [2024-11-13 12:46:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209281646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:37,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:46:37,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-13 12:46:37,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159938691] [2024-11-13 12:46:37,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:37,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:46:37,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:37,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:46:37,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:46:37,030 INFO L87 Difference]: Start difference. First operand 106 states and 134 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:37,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:37,830 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2024-11-13 12:46:37,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:46:37,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 41 [2024-11-13 12:46:37,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:37,832 INFO L225 Difference]: With dead ends: 129 [2024-11-13 12:46:37,833 INFO L226 Difference]: Without dead ends: 128 [2024-11-13 12:46:37,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:37,833 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:37,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 326 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 12:46:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-13 12:46:37,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 95. [2024-11-13 12:46:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 91 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions. [2024-11-13 12:46:37,842 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 41 [2024-11-13 12:46:37,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:37,842 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions. [2024-11-13 12:46:37,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2024-11-13 12:46:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 12:46:37,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:37,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:37,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 12:46:38,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:38,047 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:38,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:38,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1023944075, now seen corresponding path program 1 times [2024-11-13 12:46:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:38,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296656623] [2024-11-13 12:46:38,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:38,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:38,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:38,051 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:38,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:46:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:39,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 12:46:39,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 12:46:39,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:39,108 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:39,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296656623] [2024-11-13 12:46:39,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296656623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:39,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:39,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:46:39,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637197732] [2024-11-13 12:46:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:39,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:46:39,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:39,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:46:39,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:39,110 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:39,133 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2024-11-13 12:46:39,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:46:39,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 42 [2024-11-13 12:46:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:39,135 INFO L225 Difference]: With dead ends: 142 [2024-11-13 12:46:39,135 INFO L226 Difference]: Without dead ends: 79 [2024-11-13 12:46:39,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:46:39,136 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:39,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-13 12:46:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-13 12:46:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 74 states have (on average 1.2972972972972974) internal successors, (96), 75 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions. [2024-11-13 12:46:39,142 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 42 [2024-11-13 12:46:39,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:39,143 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions. [2024-11-13 12:46:39,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 12:46:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2024-11-13 12:46:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 12:46:39,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:39,144 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:39,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:46:39,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:39,345 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:39,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1544160731, now seen corresponding path program 1 times [2024-11-13 12:46:39,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:39,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420834503] [2024-11-13 12:46:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:39,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:39,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:39,348 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:39,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:46:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:40,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:46:40,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 12:46:40,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:40,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:40,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420834503] [2024-11-13 12:46:40,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420834503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:40,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:40,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:46:40,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32847704] [2024-11-13 12:46:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:40,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:46:40,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:40,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:46:40,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:46:40,568 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:46:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:40,642 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2024-11-13 12:46:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:46:40,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2024-11-13 12:46:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:40,643 INFO L225 Difference]: With dead ends: 105 [2024-11-13 12:46:40,643 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 12:46:40,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:46:40,644 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 3 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:40,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 361 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:46:40,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 12:46:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2024-11-13 12:46:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2933333333333332) internal successors, (97), 76 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2024-11-13 12:46:40,651 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 62 [2024-11-13 12:46:40,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:40,652 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2024-11-13 12:46:40,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:46:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2024-11-13 12:46:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 12:46:40,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:40,653 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:40,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:46:40,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:40,854 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:40,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:40,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1601419033, now seen corresponding path program 1 times [2024-11-13 12:46:40,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:40,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331321076] [2024-11-13 12:46:40,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:40,857 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:40,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:46:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:41,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:46:41,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 12:46:41,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:41,944 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:41,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331321076] [2024-11-13 12:46:41,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331321076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:41,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:46:41,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:46:41,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437030322] [2024-11-13 12:46:41,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:41,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:46:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:46:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:46:41,945 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:41,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:41,987 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2024-11-13 12:46:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:46:41,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2024-11-13 12:46:41,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:41,989 INFO L225 Difference]: With dead ends: 95 [2024-11-13 12:46:41,989 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 12:46:41,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:46:41,990 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 4 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:41,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 184 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 12:46:41,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-13 12:46:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 87 states have (on average 1.2758620689655173) internal successors, (111), 88 states have internal predecessors, (111), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 117 transitions. [2024-11-13 12:46:41,997 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 117 transitions. Word has length 62 [2024-11-13 12:46:41,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:41,998 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 117 transitions. [2024-11-13 12:46:41,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:46:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions. [2024-11-13 12:46:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 12:46:41,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:41,999 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:42,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 12:46:42,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:42,200 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:42,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1041165587, now seen corresponding path program 1 times [2024-11-13 12:46:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:42,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [867388364] [2024-11-13 12:46:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:42,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:42,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:42,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:42,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 12:46:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:43,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:46:43,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-13 12:46:43,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 12:46:43,482 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:43,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867388364] [2024-11-13 12:46:43,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867388364] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:43,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:46:43,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-13 12:46:43,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816256538] [2024-11-13 12:46:43,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:43,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:46:43,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:43,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:46:43,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:43,483 INFO L87 Difference]: Start difference. First operand 93 states and 117 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:46:43,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:43,528 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2024-11-13 12:46:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:46:43,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78 [2024-11-13 12:46:43,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:43,530 INFO L225 Difference]: With dead ends: 93 [2024-11-13 12:46:43,530 INFO L226 Difference]: Without dead ends: 92 [2024-11-13 12:46:43,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-13 12:46:43,531 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 10 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 171 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 [2024-11-13 12:46:43,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 171 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:46:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-13 12:46:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-13 12:46:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 87 states have (on average 1.264367816091954) internal successors, (110), 87 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2024-11-13 12:46:43,538 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 78 [2024-11-13 12:46:43,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:43,538 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2024-11-13 12:46:43,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 12:46:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2024-11-13 12:46:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 12:46:43,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:43,540 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:43,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 12:46:43,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:43,740 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:43,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:43,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2083605508, now seen corresponding path program 1 times [2024-11-13 12:46:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019563152] [2024-11-13 12:46:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:43,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:43,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:43,744 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:43,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 12:46:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:44,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:46:44,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 12:46:45,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 12:46:45,112 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:45,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019563152] [2024-11-13 12:46:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019563152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:45,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:46:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 12:46:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556669824] [2024-11-13 12:46:45,112 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:45,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:46:45,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:45,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:46:45,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:46:45,113 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 12:46:45,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:45,288 INFO L93 Difference]: Finished difference Result 187 states and 238 transitions. [2024-11-13 12:46:45,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:46:45,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 79 [2024-11-13 12:46:45,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:45,291 INFO L225 Difference]: With dead ends: 187 [2024-11-13 12:46:45,291 INFO L226 Difference]: Without dead ends: 104 [2024-11-13 12:46:45,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:46:45,292 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 8 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:45,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 339 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:46:45,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-13 12:46:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-13 12:46:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 99 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2024-11-13 12:46:45,300 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 79 [2024-11-13 12:46:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:45,300 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2024-11-13 12:46:45,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 12:46:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2024-11-13 12:46:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 12:46:45,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:45,302 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:45,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 12:46:45,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:45,502 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:45,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:45,503 INFO L85 PathProgramCache]: Analyzing trace with hash -683779708, now seen corresponding path program 2 times [2024-11-13 12:46:45,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:45,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232969047] [2024-11-13 12:46:45,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:46:45,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:45,506 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:45,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 12:46:46,736 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:46:46,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:46:46,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 12:46:46,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 12:46:46,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 12:46:47,335 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:46:47,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232969047] [2024-11-13 12:46:47,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232969047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:47,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:46:47,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-13 12:46:47,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417327775] [2024-11-13 12:46:47,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:47,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:46:47,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:46:47,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:46:47,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:46:47,337 INFO L87 Difference]: Start difference. First operand 104 states and 128 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:46:48,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:48,596 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2024-11-13 12:46:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:46:48,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 91 [2024-11-13 12:46:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:48,598 INFO L225 Difference]: With dead ends: 192 [2024-11-13 12:46:48,598 INFO L226 Difference]: Without dead ends: 125 [2024-11-13 12:46:48,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:46:48,600 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 39 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:48,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 576 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 12:46:48,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-13 12:46:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 115. [2024-11-13 12:46:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 110 states have internal predecessors, (134), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:46:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 140 transitions. [2024-11-13 12:46:48,614 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 140 transitions. Word has length 91 [2024-11-13 12:46:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:48,614 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 140 transitions. [2024-11-13 12:46:48,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:46:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2024-11-13 12:46:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 12:46:48,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:48,615 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:48,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 12:46:48,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:48,816 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:46:48,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash -520339085, now seen corresponding path program 3 times [2024-11-13 12:46:48,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:46:48,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2048684854] [2024-11-13 12:46:48,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:46:48,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:48,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:48,820 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:48,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 12:49:20,834 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-13 12:49:20,834 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:49:20,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 12:49:20,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:49:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-13 12:49:21,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:49:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-13 12:49:21,521 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:49:21,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048684854] [2024-11-13 12:49:21,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048684854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:49:21,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:49:21,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2024-11-13 12:49:21,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595146538] [2024-11-13 12:49:21,521 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:49:21,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 12:49:21,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:49:21,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 12:49:21,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-11-13 12:49:21,523 INFO L87 Difference]: Start difference. First operand 115 states and 140 transitions. Second operand has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 12:49:22,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:22,549 INFO L93 Difference]: Finished difference Result 233 states and 290 transitions. [2024-11-13 12:49:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 12:49:22,550 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 102 [2024-11-13 12:49:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:22,551 INFO L225 Difference]: With dead ends: 233 [2024-11-13 12:49:22,551 INFO L226 Difference]: Without dead ends: 139 [2024-11-13 12:49:22,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=371, Unknown=0, NotChecked=0, Total=552 [2024-11-13 12:49:22,552 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 15 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:22,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 926 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 12:49:22,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-13 12:49:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-13 12:49:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 134 states have (on average 1.1865671641791045) internal successors, (159), 134 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:49:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 165 transitions. [2024-11-13 12:49:22,570 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 165 transitions. Word has length 102 [2024-11-13 12:49:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:22,570 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 165 transitions. [2024-11-13 12:49:22,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-13 12:49:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 165 transitions. [2024-11-13 12:49:22,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 12:49:22,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:22,574 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:22,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 12:49:22,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:22,775 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:49:22,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:22,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2086142963, now seen corresponding path program 4 times [2024-11-13 12:49:22,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:49:22,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578935422] [2024-11-13 12:49:22,776 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 12:49:22,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:22,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:22,778 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:49:22,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 12:49:26,788 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 12:49:26,788 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:49:26,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 12:49:26,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:49:27,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2024-11-13 12:49:27,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:49:27,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:49:27,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 12:49:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 8 proven. 23 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-13 12:49:27,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:49:27,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-13 12:49:27,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-13 12:49:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-13 12:49:27,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:49:27,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578935422] [2024-11-13 12:49:27,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578935422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:49:27,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:49:27,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2024-11-13 12:49:27,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205209887] [2024-11-13 12:49:27,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:49:27,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:49:27,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:49:27,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:49:27,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:49:27,612 INFO L87 Difference]: Start difference. First operand 139 states and 165 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:49:29,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:29,273 INFO L93 Difference]: Finished difference Result 204 states and 249 transitions. [2024-11-13 12:49:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:49:29,275 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 114 [2024-11-13 12:49:29,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:29,276 INFO L225 Difference]: With dead ends: 204 [2024-11-13 12:49:29,276 INFO L226 Difference]: Without dead ends: 149 [2024-11-13 12:49:29,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:49:29,277 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 8 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:29,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 570 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 12:49:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-13 12:49:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 139. [2024-11-13 12:49:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 134 states have (on average 1.1791044776119404) internal successors, (158), 134 states have internal predecessors, (158), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:49:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2024-11-13 12:49:29,291 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 114 [2024-11-13 12:49:29,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:29,291 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2024-11-13 12:49:29,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:49:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2024-11-13 12:49:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-13 12:49:29,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:29,293 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:29,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 12:49:29,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:29,494 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:49:29,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:29,494 INFO L85 PathProgramCache]: Analyzing trace with hash -482124447, now seen corresponding path program 1 times [2024-11-13 12:49:29,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:49:29,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706856168] [2024-11-13 12:49:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:29,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:29,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:29,497 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:49:29,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 12:49:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:30,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 12:49:30,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:49:31,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-13 12:49:31,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-13 12:49:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-13 12:49:31,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:49:31,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:49:31,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706856168] [2024-11-13 12:49:31,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706856168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:49:31,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:49:31,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:49:31,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476991137] [2024-11-13 12:49:31,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:49:31,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:49:31,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:49:31,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:49:31,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:49:31,050 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:49:31,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:31,626 INFO L93 Difference]: Finished difference Result 195 states and 236 transitions. [2024-11-13 12:49:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:49:31,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2024-11-13 12:49:31,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:31,628 INFO L225 Difference]: With dead ends: 195 [2024-11-13 12:49:31,628 INFO L226 Difference]: Without dead ends: 144 [2024-11-13 12:49:31,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:49:31,629 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 3 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:31,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 379 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 12:49:31,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-13 12:49:31,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2024-11-13 12:49:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 137 states have (on average 1.1751824817518248) internal successors, (161), 137 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:49:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2024-11-13 12:49:31,642 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 120 [2024-11-13 12:49:31,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:31,642 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2024-11-13 12:49:31,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 12:49:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2024-11-13 12:49:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 12:49:31,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:31,644 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:31,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 12:49:31,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:31,845 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:49:31,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:31,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1122731904, now seen corresponding path program 1 times [2024-11-13 12:49:31,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:49:31,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749026564] [2024-11-13 12:49:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:49:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:31,850 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:49:31,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 12:49:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:49:33,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:49:33,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:49:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-13 12:49:33,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:49:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-13 12:49:33,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:49:33,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749026564] [2024-11-13 12:49:33,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749026564] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:49:33,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:49:33,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-13 12:49:33,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768843044] [2024-11-13 12:49:33,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:49:33,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:49:33,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:49:33,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:49:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 12:49:33,276 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:49:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:33,633 INFO L93 Difference]: Finished difference Result 249 states and 303 transitions. [2024-11-13 12:49:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:49:33,635 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 121 [2024-11-13 12:49:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:33,636 INFO L225 Difference]: With dead ends: 249 [2024-11-13 12:49:33,636 INFO L226 Difference]: Without dead ends: 166 [2024-11-13 12:49:33,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:49:33,638 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 10 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:33,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 12:49:33,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-13 12:49:33,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-13 12:49:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 161 states have (on average 1.1490683229813665) internal successors, (185), 161 states have internal predecessors, (185), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:49:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 191 transitions. [2024-11-13 12:49:33,653 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 191 transitions. Word has length 121 [2024-11-13 12:49:33,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:33,653 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 191 transitions. [2024-11-13 12:49:33,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:49:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 191 transitions. [2024-11-13 12:49:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 12:49:33,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:33,655 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:33,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 12:49:33,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:33,855 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:49:33,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:33,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1093131776, now seen corresponding path program 2 times [2024-11-13 12:49:33,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:49:33,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1428340029] [2024-11-13 12:49:33,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:49:33,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:33,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:33,858 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:49:33,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 12:49:35,405 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:49:35,405 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:49:35,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:49:35,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:49:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 131 proven. 51 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-13 12:49:35,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:49:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 123 proven. 51 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-13 12:49:35,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:49:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428340029] [2024-11-13 12:49:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428340029] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:49:35,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 12:49:35,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-13 12:49:35,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019283376] [2024-11-13 12:49:35,907 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 12:49:35,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:49:35,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:49:35,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:49:35,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:49:35,909 INFO L87 Difference]: Start difference. First operand 166 states and 191 transitions. Second operand has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:49:37,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:49:37,286 INFO L93 Difference]: Finished difference Result 285 states and 339 transitions. [2024-11-13 12:49:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:49:37,287 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 145 [2024-11-13 12:49:37,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:49:37,288 INFO L225 Difference]: With dead ends: 285 [2024-11-13 12:49:37,288 INFO L226 Difference]: Without dead ends: 190 [2024-11-13 12:49:37,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-13 12:49:37,294 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 10 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 12:49:37,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 742 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 12:49:37,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-13 12:49:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-13 12:49:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 185 states have (on average 1.1297297297297297) internal successors, (209), 185 states have internal predecessors, (209), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 12:49:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 215 transitions. [2024-11-13 12:49:37,321 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 215 transitions. Word has length 145 [2024-11-13 12:49:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:49:37,322 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 215 transitions. [2024-11-13 12:49:37,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 12:49:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 215 transitions. [2024-11-13 12:49:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-13 12:49:37,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:49:37,325 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:49:37,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 12:49:37,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:37,525 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-13 12:49:37,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:49:37,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1135228032, now seen corresponding path program 3 times [2024-11-13 12:49:37,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:49:37,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504127398] [2024-11-13 12:49:37,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:49:37,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:49:37,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:49:37,529 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:49:37,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0b9d379-960b-4c5f-a1e2-f7affacf01c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process