./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:57:11,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:57:11,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 17:57:11,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:57:11,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:57:11,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:57:11,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:57:11,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:57:11,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:57:11,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:57:11,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:57:11,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:57:11,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:57:11,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:57:11,494 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:57:11,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:57:11,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:57:11,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:57:11,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:57:11,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:57:11,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:57:11,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:57:11,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:57:11,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:57:11,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:57:11,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:57:11,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:57:11,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:57:11,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:57:11,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:57:11,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:57:11,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:57:11,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:57:11,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:57:11,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:57:11,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:57:11,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:57:11,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:57:11,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:57:11,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:57:11,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:57:11,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:57:11,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:57:11,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:57:11,514 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2024-11-08 17:57:11,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:57:11,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:57:11,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:57:11,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:57:11,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:57:11,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i Unable to find full path for "g++" [2024-11-08 17:57:14,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:57:15,295 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:57:15,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-08 17:57:15,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/data/25578cae0/90136e35e3fa4de4814bef61d1a4da21/FLAG17847362a [2024-11-08 17:57:15,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/data/25578cae0/90136e35e3fa4de4814bef61d1a4da21 [2024-11-08 17:57:15,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:57:15,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:57:15,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:57:15,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:57:15,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:57:15,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:57:15" (1/1) ... [2024-11-08 17:57:15,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2871828a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:15, skipping insertion in model container [2024-11-08 17:57:15,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:57:15" (1/1) ... [2024-11-08 17:57:15,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:57:16,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:57:16,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:57:17,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:57:17,138 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:57:17,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17 WrapperNode [2024-11-08 17:57:17,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:57:17,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:57:17,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:57:17,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:57:17,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,339 INFO L138 Inliner]: procedures = 177, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1395 [2024-11-08 17:57:17,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:57:17,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:57:17,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:57:17,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:57:17,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,544 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-08 17:57:17,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:57:17,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:57:17,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:57:17,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:57:17,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (1/1) ... [2024-11-08 17:57:17,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:57:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:17,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:57:17,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:57:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-08 17:57:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-08 17:57:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:57:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:57:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 17:57:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 17:57:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 17:57:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:57:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:57:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 17:57:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 17:57:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 17:57:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-08 17:57:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 17:57:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 17:57:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-08 17:57:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-08 17:57:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-08 17:57:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:57:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:57:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 17:57:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 17:57:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 17:57:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:57:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 17:57:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 17:57:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 17:57:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:57:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:57:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:57:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:57:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:57:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:57:18,361 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:57:18,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:57:21,294 INFO L? ?]: Removed 341 outVars from TransFormulas that were not future-live. [2024-11-08 17:57:21,298 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:57:21,359 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:57:21,359 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-08 17:57:21,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:21 BoogieIcfgContainer [2024-11-08 17:57:21,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:57:21,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:57:21,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:57:21,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:57:21,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:57:15" (1/3) ... [2024-11-08 17:57:21,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9645c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:57:21, skipping insertion in model container [2024-11-08 17:57:21,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:57:17" (2/3) ... [2024-11-08 17:57:21,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9645c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:57:21, skipping insertion in model container [2024-11-08 17:57:21,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:21" (3/3) ... [2024-11-08 17:57:21,378 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2024-11-08 17:57:21,411 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:57:21,411 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-08 17:57:21,553 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:57:21,565 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;@5233aa3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:57:21,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-08 17:57:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 456 states, 421 states have (on average 1.6270783847980999) internal successors, (685), 446 states have internal predecessors, (685), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 17:57:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 17:57:21,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:21,589 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:21,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:21,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:21,600 INFO L85 PathProgramCache]: Analyzing trace with hash -148890198, now seen corresponding path program 1 times [2024-11-08 17:57:21,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:21,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766417187] [2024-11-08 17:57:21,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:21,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:57:21,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500498328] [2024-11-08 17:57:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:21,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:21,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:57:21,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:57:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:22,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:57:22,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:22,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 17:57:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:22,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:57:22,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:22,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766417187] [2024-11-08 17:57:22,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:57:22,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500498328] [2024-11-08 17:57:22,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500498328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:22,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:22,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:57:22,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421371196] [2024-11-08 17:57:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:22,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:57:22,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:22,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:57:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:57:22,407 INFO L87 Difference]: Start difference. First operand has 456 states, 421 states have (on average 1.6270783847980999) internal successors, (685), 446 states have internal predecessors, (685), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) 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) [2024-11-08 17:57:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:22,941 INFO L93 Difference]: Finished difference Result 1307 states and 2119 transitions. [2024-11-08 17:57:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:57:22,945 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 [2024-11-08 17:57:22,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:22,973 INFO L225 Difference]: With dead ends: 1307 [2024-11-08 17:57:22,973 INFO L226 Difference]: Without dead ends: 844 [2024-11-08 17:57:22,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:57:22,985 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 563 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:22,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 1904 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:57:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2024-11-08 17:57:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 453. [2024-11-08 17:57:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 422 states have (on average 1.471563981042654) internal successors, (621), 444 states have internal predecessors, (621), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:57:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 661 transitions. [2024-11-08 17:57:23,150 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 661 transitions. Word has length 7 [2024-11-08 17:57:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:23,153 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 661 transitions. [2024-11-08 17:57:23,154 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) [2024-11-08 17:57:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 661 transitions. [2024-11-08 17:57:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 17:57:23,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:23,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:23,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:57:23,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:23,371 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:23,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:23,373 INFO L85 PathProgramCache]: Analyzing trace with hash 611757564, now seen corresponding path program 1 times [2024-11-08 17:57:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:23,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201825982] [2024-11-08 17:57:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:24,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:24,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201825982] [2024-11-08 17:57:24,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201825982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:24,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:24,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:57:24,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000568597] [2024-11-08 17:57:24,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:24,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:57:24,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:24,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:57:24,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:57:24,588 INFO L87 Difference]: Start difference. First operand 453 states and 661 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:24,846 INFO L93 Difference]: Finished difference Result 1077 states and 1579 transitions. [2024-11-08 17:57:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:57:24,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-08 17:57:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:24,854 INFO L225 Difference]: With dead ends: 1077 [2024-11-08 17:57:24,854 INFO L226 Difference]: Without dead ends: 843 [2024-11-08 17:57:24,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:57:24,859 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 562 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:24,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1891 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:57:24,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-08 17:57:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 453. [2024-11-08 17:57:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 422 states have (on average 1.4691943127962086) internal successors, (620), 444 states have internal predecessors, (620), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:57:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 660 transitions. [2024-11-08 17:57:24,899 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 660 transitions. Word has length 72 [2024-11-08 17:57:24,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:24,900 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 660 transitions. [2024-11-08 17:57:24,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 660 transitions. [2024-11-08 17:57:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 17:57:24,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:24,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:24,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:57:24,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:24,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:24,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1677191104, now seen corresponding path program 1 times [2024-11-08 17:57:24,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:24,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192489821] [2024-11-08 17:57:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:24,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:25,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:25,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192489821] [2024-11-08 17:57:25,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192489821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:25,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:25,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:57:25,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317777525] [2024-11-08 17:57:25,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:25,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:57:25,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:25,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:57:25,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:57:25,373 INFO L87 Difference]: Start difference. First operand 453 states and 660 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:25,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:25,553 INFO L93 Difference]: Finished difference Result 901 states and 1315 transitions. [2024-11-08 17:57:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:57:25,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 17:57:25,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:25,561 INFO L225 Difference]: With dead ends: 901 [2024-11-08 17:57:25,562 INFO L226 Difference]: Without dead ends: 456 [2024-11-08 17:57:25,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:57:25,568 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 107 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:25,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1779 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:57:25,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-08 17:57:25,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 453. [2024-11-08 17:57:25,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 422 states have (on average 1.45260663507109) internal successors, (613), 444 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:57:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 653 transitions. [2024-11-08 17:57:25,620 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 653 transitions. Word has length 83 [2024-11-08 17:57:25,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:25,622 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 653 transitions. [2024-11-08 17:57:25,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 653 transitions. [2024-11-08 17:57:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 17:57:25,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:25,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:25,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:57:25,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:25,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1849328076, now seen corresponding path program 1 times [2024-11-08 17:57:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:25,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618280525] [2024-11-08 17:57:25,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:26,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:57:26,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:26,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618280525] [2024-11-08 17:57:26,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618280525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:26,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:26,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:57:26,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984634941] [2024-11-08 17:57:26,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:26,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:57:26,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:26,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:57:26,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:26,048 INFO L87 Difference]: Start difference. First operand 453 states and 653 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:26,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:26,272 INFO L93 Difference]: Finished difference Result 1194 states and 1734 transitions. [2024-11-08 17:57:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:57:26,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 17:57:26,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:26,279 INFO L225 Difference]: With dead ends: 1194 [2024-11-08 17:57:26,280 INFO L226 Difference]: Without dead ends: 749 [2024-11-08 17:57:26,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:57:26,283 INFO L432 NwaCegarLoop]: 841 mSDtfsCounter, 377 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:26,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1465 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:57:26,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-08 17:57:26,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 746. [2024-11-08 17:57:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 714 states have (on average 1.4621848739495797) internal successors, (1044), 736 states have internal predecessors, (1044), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 17:57:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1086 transitions. [2024-11-08 17:57:26,328 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1086 transitions. Word has length 83 [2024-11-08 17:57:26,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:26,329 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1086 transitions. [2024-11-08 17:57:26,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:57:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1086 transitions. [2024-11-08 17:57:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 17:57:26,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:26,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:26,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:57:26,335 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:26,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:26,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1598998621, now seen corresponding path program 1 times [2024-11-08 17:57:26,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:26,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427707852] [2024-11-08 17:57:26,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:57:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:57:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:26,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:26,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427707852] [2024-11-08 17:57:26,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427707852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:26,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:26,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:57:26,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583073987] [2024-11-08 17:57:26,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:26,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:57:26,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:57:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:57:26,770 INFO L87 Difference]: Start difference. First operand 746 states and 1086 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:57:27,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:27,660 INFO L93 Difference]: Finished difference Result 1428 states and 2086 transitions. [2024-11-08 17:57:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:57:27,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-08 17:57:27,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:27,669 INFO L225 Difference]: With dead ends: 1428 [2024-11-08 17:57:27,670 INFO L226 Difference]: Without dead ends: 761 [2024-11-08 17:57:27,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:57:27,674 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 59 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:27,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1610 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:57:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-08 17:57:27,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 758. [2024-11-08 17:57:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 726 states have (on average 1.4545454545454546) internal successors, (1056), 748 states have internal predecessors, (1056), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 17:57:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1098 transitions. [2024-11-08 17:57:27,731 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1098 transitions. Word has length 98 [2024-11-08 17:57:27,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:27,731 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1098 transitions. [2024-11-08 17:57:27,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:57:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1098 transitions. [2024-11-08 17:57:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 17:57:27,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:27,736 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:27,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:57:27,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:27,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1479814949, now seen corresponding path program 1 times [2024-11-08 17:57:27,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657854102] [2024-11-08 17:57:27,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:28,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:57:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:57:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:28,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:28,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657854102] [2024-11-08 17:57:28,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657854102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:28,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:28,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:57:28,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15821537] [2024-11-08 17:57:28,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:28,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:57:28,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:28,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:57:28,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:57:28,366 INFO L87 Difference]: Start difference. First operand 758 states and 1098 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:57:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:29,477 INFO L93 Difference]: Finished difference Result 866 states and 1262 transitions. [2024-11-08 17:57:29,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:57:29,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-08 17:57:29,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:29,486 INFO L225 Difference]: With dead ends: 866 [2024-11-08 17:57:29,486 INFO L226 Difference]: Without dead ends: 864 [2024-11-08 17:57:29,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:57:29,489 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 324 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:29,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 2219 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 17:57:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-08 17:57:29,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 829. [2024-11-08 17:57:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 792 states have (on average 1.4406565656565657) internal successors, (1141), 814 states have internal predecessors, (1141), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1191 transitions. [2024-11-08 17:57:29,542 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1191 transitions. Word has length 98 [2024-11-08 17:57:29,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:29,543 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1191 transitions. [2024-11-08 17:57:29,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:57:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1191 transitions. [2024-11-08 17:57:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 17:57:29,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:29,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:29,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:57:29,548 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:29,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:29,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1167278852, now seen corresponding path program 1 times [2024-11-08 17:57:29,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:29,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55317335] [2024-11-08 17:57:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:29,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:57:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:30,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:57:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:30,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:57:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:30,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:30,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55317335] [2024-11-08 17:57:30,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55317335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:30,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:30,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:57:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082329533] [2024-11-08 17:57:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:30,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:57:30,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:30,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:57:30,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:57:30,351 INFO L87 Difference]: Start difference. First operand 829 states and 1191 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:57:31,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:31,597 INFO L93 Difference]: Finished difference Result 1066 states and 1535 transitions. [2024-11-08 17:57:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:57:31,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 110 [2024-11-08 17:57:31,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:31,607 INFO L225 Difference]: With dead ends: 1066 [2024-11-08 17:57:31,608 INFO L226 Difference]: Without dead ends: 1064 [2024-11-08 17:57:31,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:57:31,612 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 540 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 2653 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:31,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 2653 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:57:31,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-08 17:57:31,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 832. [2024-11-08 17:57:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 795 states have (on average 1.4389937106918238) internal successors, (1144), 816 states have internal predecessors, (1144), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1194 transitions. [2024-11-08 17:57:31,705 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1194 transitions. Word has length 110 [2024-11-08 17:57:31,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:31,707 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1194 transitions. [2024-11-08 17:57:31,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:57:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1194 transitions. [2024-11-08 17:57:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 17:57:31,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:31,711 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:31,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:57:31,711 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:31,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:31,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1786088419, now seen corresponding path program 1 times [2024-11-08 17:57:31,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:31,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806141753] [2024-11-08 17:57:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:31,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:57:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 17:57:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:57:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:57:32,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:32,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806141753] [2024-11-08 17:57:32,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806141753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:32,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092818081] [2024-11-08 17:57:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:32,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:32,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:32,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:57:32,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:57:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:33,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 17:57:33,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:33,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 17:57:33,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 17:57:33,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 17:57:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:35,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:57:35,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092818081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:35,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:35,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-11-08 17:57:35,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512595055] [2024-11-08 17:57:35,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:35,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:57:35,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:35,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:57:35,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:57:35,351 INFO L87 Difference]: Start difference. First operand 832 states and 1194 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:57:40,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:40,211 INFO L93 Difference]: Finished difference Result 1833 states and 2631 transitions. [2024-11-08 17:57:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:57:40,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 116 [2024-11-08 17:57:40,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:40,220 INFO L225 Difference]: With dead ends: 1833 [2024-11-08 17:57:40,220 INFO L226 Difference]: Without dead ends: 1096 [2024-11-08 17:57:40,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:57:40,227 INFO L432 NwaCegarLoop]: 613 mSDtfsCounter, 827 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:40,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 4037 Invalid, 1179 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-08 17:57:40,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-08 17:57:40,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 865. [2024-11-08 17:57:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 828 states have (on average 1.428743961352657) internal successors, (1183), 849 states have internal predecessors, (1183), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1233 transitions. [2024-11-08 17:57:40,291 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1233 transitions. Word has length 116 [2024-11-08 17:57:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:40,292 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1233 transitions. [2024-11-08 17:57:40,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:57:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1233 transitions. [2024-11-08 17:57:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 17:57:40,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:40,297 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:40,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:57:40,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:40,502 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:40,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:40,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1602264263, now seen corresponding path program 1 times [2024-11-08 17:57:40,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:40,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880190590] [2024-11-08 17:57:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:40,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:41,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 17:57:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:41,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:57:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:41,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:57:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:57:41,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:41,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880190590] [2024-11-08 17:57:41,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880190590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:41,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873605282] [2024-11-08 17:57:41,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:41,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:41,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:57:41,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:57:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:42,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 17:57:42,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:42,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 17:57:42,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 17:57:42,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 17:57:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:44,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:57:44,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873605282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:44,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:44,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2024-11-08 17:57:44,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236057706] [2024-11-08 17:57:44,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:44,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:57:44,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:44,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:57:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:57:44,442 INFO L87 Difference]: Start difference. First operand 865 states and 1233 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:57:49,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:49,778 INFO L93 Difference]: Finished difference Result 1882 states and 2694 transitions. [2024-11-08 17:57:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:57:49,779 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2024-11-08 17:57:49,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:49,787 INFO L225 Difference]: With dead ends: 1882 [2024-11-08 17:57:49,787 INFO L226 Difference]: Without dead ends: 1150 [2024-11-08 17:57:49,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:57:49,795 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 885 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 4671 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:49,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 4671 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-08 17:57:49,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2024-11-08 17:57:49,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 902. [2024-11-08 17:57:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 865 states have (on average 1.423121387283237) internal successors, (1231), 886 states have internal predecessors, (1231), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1281 transitions. [2024-11-08 17:57:49,856 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1281 transitions. Word has length 117 [2024-11-08 17:57:49,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:49,857 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1281 transitions. [2024-11-08 17:57:49,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:57:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1281 transitions. [2024-11-08 17:57:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 17:57:49,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:49,864 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:49,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:57:50,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:50,068 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:50,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1223505737, now seen corresponding path program 1 times [2024-11-08 17:57:50,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:50,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079477435] [2024-11-08 17:57:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:50,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:57:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:57:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:57:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:50,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:50,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079477435] [2024-11-08 17:57:50,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079477435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:50,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:50,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:57:50,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652190168] [2024-11-08 17:57:50,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:50,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:57:50,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:50,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:57:50,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:57:50,814 INFO L87 Difference]: Start difference. First operand 902 states and 1281 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 7 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:57:53,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:53,255 INFO L93 Difference]: Finished difference Result 1701 states and 2431 transitions. [2024-11-08 17:57:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:57:53,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 7 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 118 [2024-11-08 17:57:53,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:53,264 INFO L225 Difference]: With dead ends: 1701 [2024-11-08 17:57:53,265 INFO L226 Difference]: Without dead ends: 942 [2024-11-08 17:57:53,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:57:53,271 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 88 mSDsluCounter, 3134 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:53,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 3686 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 17:57:53,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-08 17:57:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 930. [2024-11-08 17:57:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 893 states have (on average 1.4210526315789473) internal successors, (1269), 914 states have internal predecessors, (1269), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1319 transitions. [2024-11-08 17:57:53,340 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1319 transitions. Word has length 118 [2024-11-08 17:57:53,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:53,340 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1319 transitions. [2024-11-08 17:57:53,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 7 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:57:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1319 transitions. [2024-11-08 17:57:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 17:57:53,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:53,345 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:53,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:57:53,346 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:53,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:53,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2123271170, now seen corresponding path program 1 times [2024-11-08 17:57:53,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:53,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593762225] [2024-11-08 17:57:53,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:53,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:57:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:57:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 17:57:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:54,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:54,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593762225] [2024-11-08 17:57:54,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593762225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:54,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:57:54,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:57:54,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496039139] [2024-11-08 17:57:54,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:54,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:57:54,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:54,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:57:54,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:57:54,131 INFO L87 Difference]: Start difference. First operand 930 states and 1319 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:57:55,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:55,849 INFO L93 Difference]: Finished difference Result 1727 states and 2465 transitions. [2024-11-08 17:57:55,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:57:55,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 118 [2024-11-08 17:57:55,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:55,859 INFO L225 Difference]: With dead ends: 1727 [2024-11-08 17:57:55,859 INFO L226 Difference]: Without dead ends: 942 [2024-11-08 17:57:55,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:57:55,863 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 83 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:55,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 2899 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:57:55,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-08 17:57:55,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 936. [2024-11-08 17:57:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 899 states have (on average 1.418242491657397) internal successors, (1275), 920 states have internal predecessors, (1275), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1325 transitions. [2024-11-08 17:57:55,933 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1325 transitions. Word has length 118 [2024-11-08 17:57:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:55,934 INFO L471 AbstractCegarLoop]: Abstraction has 936 states and 1325 transitions. [2024-11-08 17:57:55,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:57:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1325 transitions. [2024-11-08 17:57:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:57:55,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:55,938 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:55,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:57:55,938 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:55,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:55,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1390159347, now seen corresponding path program 1 times [2024-11-08 17:57:55,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:55,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416194864] [2024-11-08 17:57:55,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:55,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:57:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:57:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:57:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:56,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:57:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416194864] [2024-11-08 17:57:56,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416194864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785084148] [2024-11-08 17:57:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:56,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:56,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:57:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:57:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:57,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:57:57,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:57:57,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:57:57,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785084148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:57:57,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:57,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-08 17:57:57,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800558133] [2024-11-08 17:57:57,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:57,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:57:57,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:57:57,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:57:57,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:57:57,658 INFO L87 Difference]: Start difference. First operand 936 states and 1325 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:57:58,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:58,834 INFO L93 Difference]: Finished difference Result 1749 states and 2490 transitions. [2024-11-08 17:57:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:57:58,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 119 [2024-11-08 17:57:58,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:58,842 INFO L225 Difference]: With dead ends: 1749 [2024-11-08 17:57:58,843 INFO L226 Difference]: Without dead ends: 954 [2024-11-08 17:57:58,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:57:58,846 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 47 mSDsluCounter, 2613 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:58,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 3242 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:57:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2024-11-08 17:57:58,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 938. [2024-11-08 17:57:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 901 states have (on average 1.4173140954495005) internal successors, (1277), 922 states have internal predecessors, (1277), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:57:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1327 transitions. [2024-11-08 17:57:58,901 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1327 transitions. Word has length 119 [2024-11-08 17:57:58,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:58,901 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 1327 transitions. [2024-11-08 17:57:58,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:57:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1327 transitions. [2024-11-08 17:57:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:57:58,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:58,905 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:57:58,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:57:59,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 17:57:59,107 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:57:59,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1486597494, now seen corresponding path program 1 times [2024-11-08 17:57:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:57:59,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545294222] [2024-11-08 17:57:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:57:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:57:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:57:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:57:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:59,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:57:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:57:59,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:57:59,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545294222] [2024-11-08 17:57:59,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545294222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:59,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616908013] [2024-11-08 17:57:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:59,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:57:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:57:59,774 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:57:59,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:58:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:00,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:58:00,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:58:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:58:11,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:58:11,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616908013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:58:11,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:58:11,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-08 17:58:11,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664289529] [2024-11-08 17:58:11,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:58:11,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:58:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:58:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:58:11,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:58:11,496 INFO L87 Difference]: Start difference. First operand 938 states and 1327 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:58:16,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:18,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:22,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:25,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:29,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:33,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:37,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:41,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:42,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:58:43,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:58:43,361 INFO L93 Difference]: Finished difference Result 1730 states and 2459 transitions. [2024-11-08 17:58:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:58:43,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 119 [2024-11-08 17:58:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:58:43,369 INFO L225 Difference]: With dead ends: 1730 [2024-11-08 17:58:43,369 INFO L226 Difference]: Without dead ends: 950 [2024-11-08 17:58:43,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:58:43,373 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 14 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:58:43,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3147 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 776 Invalid, 6 Unknown, 0 Unchecked, 31.8s Time] [2024-11-08 17:58:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-08 17:58:43,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 942. [2024-11-08 17:58:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 905 states have (on average 1.4154696132596685) internal successors, (1281), 926 states have internal predecessors, (1281), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:58:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1331 transitions. [2024-11-08 17:58:43,426 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1331 transitions. Word has length 119 [2024-11-08 17:58:43,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:58:43,426 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1331 transitions. [2024-11-08 17:58:43,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 17:58:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1331 transitions. [2024-11-08 17:58:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:58:43,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:58:43,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:58:43,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 17:58:43,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:58:43,631 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:58:43,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:58:43,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1131877210, now seen corresponding path program 1 times [2024-11-08 17:58:43,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:58:43,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184952384] [2024-11-08 17:58:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:58:43,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:58:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:44,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:58:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:44,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:58:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:44,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:58:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:58:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:58:44,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:58:44,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184952384] [2024-11-08 17:58:44,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184952384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:58:44,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:58:44,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:58:44,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29985048] [2024-11-08 17:58:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:58:44,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:58:44,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:58:44,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:58:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:58:44,656 INFO L87 Difference]: Start difference. First operand 942 states and 1331 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:58:48,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:58:48,067 INFO L93 Difference]: Finished difference Result 1762 states and 2504 transitions. [2024-11-08 17:58:48,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:58:48,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 121 [2024-11-08 17:58:48,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:58:48,076 INFO L225 Difference]: With dead ends: 1762 [2024-11-08 17:58:48,076 INFO L226 Difference]: Without dead ends: 980 [2024-11-08 17:58:48,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:58:48,080 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 97 mSDsluCounter, 4484 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 5044 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:58:48,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 5044 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 17:58:48,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-08 17:58:48,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 962. [2024-11-08 17:58:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 925 states have (on average 1.4108108108108108) internal successors, (1305), 946 states have internal predecessors, (1305), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 17:58:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1355 transitions. [2024-11-08 17:58:48,135 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1355 transitions. Word has length 121 [2024-11-08 17:58:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:58:48,136 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1355 transitions. [2024-11-08 17:58:48,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:58:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1355 transitions. [2024-11-08 17:58:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 17:58:48,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:58:48,140 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:58:48,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:58:48,141 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 17:58:48,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:58:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash -167894902, now seen corresponding path program 1 times [2024-11-08 17:58:48,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:58:48,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851766269] [2024-11-08 17:58:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:58:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:58:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:48,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:58:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:48,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:58:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:58:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 17:58:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:58:48,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:58:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851766269] [2024-11-08 17:58:48,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851766269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:58:48,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2779193] [2024-11-08 17:58:48,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:58:48,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:58:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:58:48,910 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:58:48,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:58:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:50,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 17:58:50,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:59:01,913 WARN L286 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:59:43,008 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:59:51,020 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:00:19,123 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:00:27,138 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:00:51,401 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:00:59,418 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:01:11,600 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:01:27,636 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:01:43,756 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:01:55,791 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:02:15,894 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:02:31,926 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:03:04,091 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:03:32,364 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:04:04,910 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:04:11,177 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:04:31,233 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:06:33,895 WARN L286 SmtUtils]: Spent 56.48s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 18:06:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:06:34,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:06:34,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2779193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:06:34,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:06:34,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2024-11-08 18:06:34,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711531472] [2024-11-08 18:06:34,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:34,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:06:34,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:06:34,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:06:34,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=198, Unknown=8, NotChecked=0, Total=240 [2024-11-08 18:06:34,254 INFO L87 Difference]: Start difference. First operand 962 states and 1355 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:06:38,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:06:46,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:06:50,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:06:54,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:06:58,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:06,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:10,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:14,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:18,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:22,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:26,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:30,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:34,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:38,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:42,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:46,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:50,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:54,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:07:58,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:02,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:06,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:10,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:14,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:18,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:22,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:26,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:30,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:34,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:38,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:42,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:47,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:51,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:55,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:08:59,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:03,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:07,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:11,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:15,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:19,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:23,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:27,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:31,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:35,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:39,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:43,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:47,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:51,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:54,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:09:58,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:02,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:06,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:10,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:14,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:17,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:21,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:25,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:29,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:33,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:35,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:37,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:38,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:42,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:46,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:51,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:10:51,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:10:51,884 INFO L93 Difference]: Finished difference Result 1802 states and 2555 transitions. [2024-11-08 18:10:51,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:10:51,885 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 121 [2024-11-08 18:10:51,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:10:51,890 INFO L225 Difference]: With dead ends: 1802 [2024-11-08 18:10:51,891 INFO L226 Difference]: Without dead ends: 1020 [2024-11-08 18:10:51,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 107.3s TimeCoverageRelationStatistics Valid=42, Invalid=254, Unknown=10, NotChecked=0, Total=306 [2024-11-08 18:10:51,893 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 68 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 6 mSolverCounterUnsat, 59 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 249.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 4339 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 59 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 249.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:10:51,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 4339 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 927 Invalid, 59 Unknown, 0 Unchecked, 249.5s Time] [2024-11-08 18:10:51,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-08 18:10:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 980. [2024-11-08 18:10:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 943 states have (on average 1.4093319194061507) internal successors, (1329), 964 states have internal predecessors, (1329), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 18:10:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1379 transitions. [2024-11-08 18:10:51,931 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1379 transitions. Word has length 121 [2024-11-08 18:10:51,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:10:51,931 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1379 transitions. [2024-11-08 18:10:51,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:10:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1379 transitions. [2024-11-08 18:10:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 18:10:51,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:10:51,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:10:51,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 18:10:52,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:10:52,139 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:10:52,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:52,139 INFO L85 PathProgramCache]: Analyzing trace with hash 646678353, now seen corresponding path program 1 times [2024-11-08 18:10:52,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:52,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552937712] [2024-11-08 18:10:52,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:52,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:10:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:52,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:10:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:10:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:10:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:10:52,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:52,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552937712] [2024-11-08 18:10:52,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552937712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:10:52,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211549155] [2024-11-08 18:10:52,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:52,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:10:52,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:10:52,696 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:10:52,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 18:10:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:53,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 18:10:53,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:10:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:10:53,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:10:53,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211549155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:53,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:10:53,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2024-11-08 18:10:53,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13997015] [2024-11-08 18:10:53,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:53,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:10:53,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:53,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:10:53,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:10:53,769 INFO L87 Difference]: Start difference. First operand 980 states and 1379 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:10:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:10:54,724 INFO L93 Difference]: Finished difference Result 1807 states and 2556 transitions. [2024-11-08 18:10:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:10:54,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 121 [2024-11-08 18:10:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:10:54,730 INFO L225 Difference]: With dead ends: 1807 [2024-11-08 18:10:54,730 INFO L226 Difference]: Without dead ends: 998 [2024-11-08 18:10:54,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:10:54,733 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 16 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3727 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:10:54,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3727 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:10:54,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-08 18:10:54,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 992. [2024-11-08 18:10:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 955 states have (on average 1.4083769633507854) internal successors, (1345), 976 states have internal predecessors, (1345), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-08 18:10:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1395 transitions. [2024-11-08 18:10:54,776 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1395 transitions. Word has length 121 [2024-11-08 18:10:54,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:10:54,776 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1395 transitions. [2024-11-08 18:10:54,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:10:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1395 transitions. [2024-11-08 18:10:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 18:10:54,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:10:54,779 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:10:54,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 18:10:54,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 18:10:54,980 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:10:54,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash 304437777, now seen corresponding path program 1 times [2024-11-08 18:10:54,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:54,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126250023] [2024-11-08 18:10:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:55,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:10:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 18:10:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:10:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:55,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:10:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:10:55,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126250023] [2024-11-08 18:10:55,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126250023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:10:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609752226] [2024-11-08 18:10:55,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:55,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:10:55,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:10:55,476 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:10:55,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 18:10:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:56,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:10:56,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:10:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:10:56,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:10:56,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609752226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:56,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:10:56,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-08 18:10:56,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109247708] [2024-11-08 18:10:56,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:56,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:10:56,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:56,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:10:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:10:56,104 INFO L87 Difference]: Start difference. First operand 992 states and 1395 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 18:10:56,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:10:56,160 INFO L93 Difference]: Finished difference Result 1765 states and 2496 transitions. [2024-11-08 18:10:56,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:10:56,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 121 [2024-11-08 18:10:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:10:56,166 INFO L225 Difference]: With dead ends: 1765 [2024-11-08 18:10:56,166 INFO L226 Difference]: Without dead ends: 998 [2024-11-08 18:10:56,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:10:56,169 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 0 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1928 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:10:56,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1928 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:10:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-08 18:10:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 998. [2024-11-08 18:10:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 959 states have (on average 1.4087591240875912) internal successors, (1351), 982 states have internal predecessors, (1351), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-08 18:10:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1403 transitions. [2024-11-08 18:10:56,212 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1403 transitions. Word has length 121 [2024-11-08 18:10:56,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:10:56,213 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1403 transitions. [2024-11-08 18:10:56,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 18:10:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1403 transitions. [2024-11-08 18:10:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 18:10:56,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:10:56,217 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:10:56,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 18:10:56,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 18:10:56,418 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:10:56,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1550135345, now seen corresponding path program 1 times [2024-11-08 18:10:56,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:56,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869454116] [2024-11-08 18:10:56,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:56,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:10:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 18:10:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:57,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 18:10:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:57,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:10:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:10:57,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:57,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869454116] [2024-11-08 18:10:57,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869454116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:10:57,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420277669] [2024-11-08 18:10:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:57,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:10:57,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:10:57,116 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:10:57,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 18:10:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:57,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 18:10:57,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:10:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 18:10:57,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:10:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:10:58,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420277669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:10:58,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:10:58,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2024-11-08 18:10:58,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450476539] [2024-11-08 18:10:58,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:10:58,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:10:58,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:58,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:10:58,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:10:58,109 INFO L87 Difference]: Start difference. First operand 998 states and 1403 transitions. Second operand has 12 states, 12 states have (on average 11.5) internal successors, (138), 10 states have internal predecessors, (138), 2 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:10:59,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:10:59,498 INFO L93 Difference]: Finished difference Result 1793 states and 2538 transitions. [2024-11-08 18:10:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 18:10:59,499 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.5) internal successors, (138), 10 states have internal predecessors, (138), 2 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 123 [2024-11-08 18:10:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:10:59,505 INFO L225 Difference]: With dead ends: 1793 [2024-11-08 18:10:59,505 INFO L226 Difference]: Without dead ends: 1020 [2024-11-08 18:10:59,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2024-11-08 18:10:59,507 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 85 mSDsluCounter, 3887 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 4458 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:10:59,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 4458 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 18:10:59,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-08 18:10:59,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1016. [2024-11-08 18:10:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 975 states have (on average 1.4143589743589744) internal successors, (1379), 998 states have internal predecessors, (1379), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-08 18:10:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1431 transitions. [2024-11-08 18:10:59,551 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1431 transitions. Word has length 123 [2024-11-08 18:10:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:10:59,552 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1431 transitions. [2024-11-08 18:10:59,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.5) internal successors, (138), 10 states have internal predecessors, (138), 2 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:10:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1431 transitions. [2024-11-08 18:10:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 18:10:59,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:10:59,555 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:10:59,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 18:10:59,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 18:10:59,756 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:10:59,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:59,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1497449841, now seen corresponding path program 2 times [2024-11-08 18:10:59,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:59,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104053878] [2024-11-08 18:10:59,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:59,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:00,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:11:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:00,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:11:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:00,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:11:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:11:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:11:00,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:11:00,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104053878] [2024-11-08 18:11:00,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104053878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:11:00,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519696132] [2024-11-08 18:11:00,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:11:00,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:00,579 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:11:00,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 18:11:01,060 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 18:11:01,060 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:11:01,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:11:01,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:11:01,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 18:11:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 18:11:01,097 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:11:01,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519696132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:11:01,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:11:01,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-11-08 18:11:01,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990134582] [2024-11-08 18:11:01,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:11:01,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:11:01,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:11:01,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:11:01,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:11:01,100 INFO L87 Difference]: Start difference. First operand 1016 states and 1431 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:11:01,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:11:01,138 INFO L93 Difference]: Finished difference Result 1016 states and 1431 transitions. [2024-11-08 18:11:01,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:11:01,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 127 [2024-11-08 18:11:01,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:11:01,144 INFO L225 Difference]: With dead ends: 1016 [2024-11-08 18:11:01,144 INFO L226 Difference]: Without dead ends: 1015 [2024-11-08 18:11:01,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:11:01,146 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 1 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:11:01,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1284 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:11:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2024-11-08 18:11:01,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2024-11-08 18:11:01,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 975 states have (on average 1.4133333333333333) internal successors, (1378), 997 states have internal predecessors, (1378), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-08 18:11:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1430 transitions. [2024-11-08 18:11:01,185 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1430 transitions. Word has length 127 [2024-11-08 18:11:01,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:11:01,186 INFO L471 AbstractCegarLoop]: Abstraction has 1015 states and 1430 transitions. [2024-11-08 18:11:01,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:11:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1430 transitions. [2024-11-08 18:11:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 18:11:01,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:01,189 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:01,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 18:11:01,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:01,390 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:11:01,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:01,390 INFO L85 PathProgramCache]: Analyzing trace with hash -823695004, now seen corresponding path program 1 times [2024-11-08 18:11:01,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:11:01,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516467471] [2024-11-08 18:11:01,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:11:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:11:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:02,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:11:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:02,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 18:11:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:11:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:11:02,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:11:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516467471] [2024-11-08 18:11:02,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516467471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:11:02,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209618248] [2024-11-08 18:11:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:02,266 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:11:02,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 18:11:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:03,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:11:03,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:11:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 18:11:03,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:11:03,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209618248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:11:03,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:11:03,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-08 18:11:03,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442956450] [2024-11-08 18:11:03,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:11:03,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:11:03,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:11:03,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:11:03,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:11:03,561 INFO L87 Difference]: Start difference. First operand 1015 states and 1430 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:11:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:11:04,471 INFO L93 Difference]: Finished difference Result 1855 states and 2629 transitions. [2024-11-08 18:11:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:11:04,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 128 [2024-11-08 18:11:04,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:11:04,476 INFO L225 Difference]: With dead ends: 1855 [2024-11-08 18:11:04,477 INFO L226 Difference]: Without dead ends: 1025 [2024-11-08 18:11:04,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:11:04,479 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 12 mSDsluCounter, 2509 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:11:04,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3141 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:11:04,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2024-11-08 18:11:04,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 1015. [2024-11-08 18:11:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 975 states have (on average 1.4133333333333333) internal successors, (1378), 997 states have internal predecessors, (1378), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-08 18:11:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1430 transitions. [2024-11-08 18:11:04,518 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1430 transitions. Word has length 128 [2024-11-08 18:11:04,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:11:04,518 INFO L471 AbstractCegarLoop]: Abstraction has 1015 states and 1430 transitions. [2024-11-08 18:11:04,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-08 18:11:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1430 transitions. [2024-11-08 18:11:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 18:11:04,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:04,521 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:04,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 18:11:04,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:04,726 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:11:04,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:04,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2087942310, now seen corresponding path program 1 times [2024-11-08 18:11:04,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:11:04,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498985335] [2024-11-08 18:11:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:04,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:11:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:05,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:11:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:05,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 18:11:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 18:11:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:11:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:11:05,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:11:05,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498985335] [2024-11-08 18:11:05,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498985335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:11:05,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393471254] [2024-11-08 18:11:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:05,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:05,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:05,626 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:11:05,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 18:11:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:06,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:11:06,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:11:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 18:11:06,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:11:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 25 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:11:14,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393471254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:11:14,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:11:14,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 22 [2024-11-08 18:11:14,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959337552] [2024-11-08 18:11:14,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:11:14,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 18:11:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:11:14,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 18:11:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=349, Unknown=2, NotChecked=0, Total=462 [2024-11-08 18:11:14,929 INFO L87 Difference]: Start difference. First operand 1015 states and 1430 transitions. Second operand has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 20 states have internal predecessors, (151), 2 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:11:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:11:17,203 INFO L93 Difference]: Finished difference Result 1870 states and 2637 transitions. [2024-11-08 18:11:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 18:11:17,204 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 20 states have internal predecessors, (151), 2 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 129 [2024-11-08 18:11:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:11:17,208 INFO L225 Difference]: With dead ends: 1870 [2024-11-08 18:11:17,208 INFO L226 Difference]: Without dead ends: 855 [2024-11-08 18:11:17,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=394, Invalid=1326, Unknown=2, NotChecked=0, Total=1722 [2024-11-08 18:11:17,211 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 124 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:11:17,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 4659 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 18:11:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-08 18:11:17,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 847. [2024-11-08 18:11:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 807 states have (on average 1.3977695167286246) internal successors, (1128), 829 states have internal predecessors, (1128), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-08 18:11:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1180 transitions. [2024-11-08 18:11:17,255 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1180 transitions. Word has length 129 [2024-11-08 18:11:17,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:11:17,256 INFO L471 AbstractCegarLoop]: Abstraction has 847 states and 1180 transitions. [2024-11-08 18:11:17,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 20 states have internal predecessors, (151), 2 states have call successors, (10), 4 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:11:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1180 transitions. [2024-11-08 18:11:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:11:17,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:17,258 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:17,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 18:11:17,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:17,460 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:11:17,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:17,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1989712923, now seen corresponding path program 2 times [2024-11-08 18:11:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:11:17,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245587152] [2024-11-08 18:11:17,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:17,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:11:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:18,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:11:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:18,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:11:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:19,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:11:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:19,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:11:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 18:11:19,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:11:19,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245587152] [2024-11-08 18:11:19,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245587152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:11:19,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846539898] [2024-11-08 18:11:19,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:11:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:19,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:19,021 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:11:19,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 18:11:19,818 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:11:19,818 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:11:19,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 18:11:19,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:11:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 10 proven. 130 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:11:20,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:11:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 74 proven. 14 refuted. 1 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 18:11:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846539898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:11:24,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:11:24,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 9] total 36 [2024-11-08 18:11:24,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180814722] [2024-11-08 18:11:24,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:11:24,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-08 18:11:24,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:11:24,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-08 18:11:24,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=1002, Unknown=1, NotChecked=0, Total=1260 [2024-11-08 18:11:24,965 INFO L87 Difference]: Start difference. First operand 847 states and 1180 transitions. Second operand has 36 states, 36 states have (on average 4.527777777777778) internal successors, (163), 34 states have internal predecessors, (163), 2 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:11:27,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:11:27,904 INFO L93 Difference]: Finished difference Result 1594 states and 2250 transitions. [2024-11-08 18:11:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-08 18:11:27,905 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.527777777777778) internal successors, (163), 34 states have internal predecessors, (163), 2 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 138 [2024-11-08 18:11:27,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:11:27,909 INFO L225 Difference]: With dead ends: 1594 [2024-11-08 18:11:27,909 INFO L226 Difference]: Without dead ends: 885 [2024-11-08 18:11:27,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=820, Invalid=3871, Unknown=1, NotChecked=0, Total=4692 [2024-11-08 18:11:27,912 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 139 mSDsluCounter, 4784 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 5275 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:11:27,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 5275 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 18:11:27,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2024-11-08 18:11:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 873. [2024-11-08 18:11:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 833 states have (on average 1.411764705882353) internal successors, (1176), 855 states have internal predecessors, (1176), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-08 18:11:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1228 transitions. [2024-11-08 18:11:27,957 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1228 transitions. Word has length 138 [2024-11-08 18:11:27,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:11:27,958 INFO L471 AbstractCegarLoop]: Abstraction has 873 states and 1228 transitions. [2024-11-08 18:11:27,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.527777777777778) internal successors, (163), 34 states have internal predecessors, (163), 2 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 18:11:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1228 transitions. [2024-11-08 18:11:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 18:11:27,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:11:27,960 INFO L215 NwaCegarLoop]: trace histogram [28, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:11:27,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 18:11:28,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-08 18:11:28,161 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-08 18:11:28,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:11:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1607411752, now seen corresponding path program 3 times [2024-11-08 18:11:28,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:11:28,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312483450] [2024-11-08 18:11:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:11:28,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:11:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:29,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 18:11:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 18:11:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:29,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 18:11:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:11:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:11:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 6 proven. 284 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-08 18:11:29,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:11:29,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312483450] [2024-11-08 18:11:29,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312483450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:11:29,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444207549] [2024-11-08 18:11:29,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:11:29,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:11:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:11:29,750 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:11:29,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6925af66-99f3-44e2-9154-e691cc6135b7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 18:11:30,390 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 18:11:30,391 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:11:30,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:11:30,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:11:30,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 18:11:31,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-08 18:11:31,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 18:11:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-08 18:11:31,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:11:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-08 18:11:32,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444207549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:11:32,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:11:32,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 7] total 29 [2024-11-08 18:11:32,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479992884] [2024-11-08 18:11:32,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:11:32,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 18:11:32,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:11:32,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 18:11:32,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2024-11-08 18:11:32,284 INFO L87 Difference]: Start difference. First operand 873 states and 1228 transitions. Second operand has 29 states, 29 states have (on average 11.724137931034482) internal successors, (340), 27 states have internal predecessors, (340), 5 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-08 18:11:35,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-08 18:11:38,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-08 18:11:40,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-08 18:11:43,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1]