./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB --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 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:42,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:42,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:35:42,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:42,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:42,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:42,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:42,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:42,283 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:35:42,283 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:35:42,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:42,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:42,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:42,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:42,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:42,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:42,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:42,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:35:42,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:35:42,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:35:42,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:42,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:42,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:42,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:42,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:42,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:42,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:42,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:42,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:42,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:42,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:42,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:42,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:42,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:42,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:42,291 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:42,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:42,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:35:42,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:35:42,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:42,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:42,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:42,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:42,292 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2024-11-28 04:35:42,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:42,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:42,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:42,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:42,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:42,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2024-11-28 04:35:45,862 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/data/0c77a904e/da74fb8b67c443b1855417560b401d6f/FLAG1bd634316 [2024-11-28 04:35:46,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:46,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2024-11-28 04:35:46,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/data/0c77a904e/da74fb8b67c443b1855417560b401d6f/FLAG1bd634316 [2024-11-28 04:35:46,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/data/0c77a904e/da74fb8b67c443b1855417560b401d6f [2024-11-28 04:35:46,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:46,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:46,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:46,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:46,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:46,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:46" (1/1) ... [2024-11-28 04:35:46,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eed751a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:46, skipping insertion in model container [2024-11-28 04:35:46,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:46" (1/1) ... [2024-11-28 04:35:46,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:47,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:47,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:47,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:47,329 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:47,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47 WrapperNode [2024-11-28 04:35:47,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:47,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:47,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:47,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:47,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,446 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1589 [2024-11-28 04:35:47,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:47,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:47,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:47,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:47,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,575 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 34, 267]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-28 04:35:47,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,652 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:47,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:47,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:47,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:47,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (1/1) ... [2024-11-28 04:35:47,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:47,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:47,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:47,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 04:35:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 04:35:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:35:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:35:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:35:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:35:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:35:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:35:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:35:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:35:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:35:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:35:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:35:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:35:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:35:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:35:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:35:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:35:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:35:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:35:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:35:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:35:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:35:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:35:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:35:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:35:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:35:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:35:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:48,083 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:48,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:50,176 INFO L? ?]: Removed 357 outVars from TransFormulas that were not future-live. [2024-11-28 04:35:50,176 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:50,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:50,204 INFO L312 CfgBuilder]: Removed 41 assume(true) statements. [2024-11-28 04:35:50,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:50 BoogieIcfgContainer [2024-11-28 04:35:50,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:50,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:50,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:50,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:50,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:46" (1/3) ... [2024-11-28 04:35:50,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20358539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:50, skipping insertion in model container [2024-11-28 04:35:50,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:47" (2/3) ... [2024-11-28 04:35:50,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20358539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:50, skipping insertion in model container [2024-11-28 04:35:50,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:50" (3/3) ... [2024-11-28 04:35:50,213 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2024-11-28 04:35:50,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:50,228 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test3-2.i that has 6 procedures, 477 locations, 1 initial locations, 43 loop locations, and 8 error locations. [2024-11-28 04:35:50,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:50,315 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;@77c1b40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:50,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 04:35:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 447 states have (on average 1.621923937360179) internal successors, (725), 462 states have internal predecessors, (725), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:35:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 04:35:50,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:50,344 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:50,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:35:50,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:50,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2024-11-28 04:35:50,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:50,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631736740] [2024-11-28 04:35:50,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:50,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:35:50,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973653352] [2024-11-28 04:35:50,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:50,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:50,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:50,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:50,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:35:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:50,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:35:50,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:50,754 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 [2024-11-28 04:35:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:50,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:50,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:50,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631736740] [2024-11-28 04:35:50,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:35:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973653352] [2024-11-28 04:35:50,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973653352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:50,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:50,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:35:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100529882] [2024-11-28 04:35:50,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:50,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:35:50,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:50,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:35:50,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:35:50,826 INFO L87 Difference]: Start difference. First operand has 469 states, 447 states have (on average 1.621923937360179) internal successors, (725), 462 states have internal predecessors, (725), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:51,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:51,196 INFO L93 Difference]: Finished difference Result 1384 states and 2225 transitions. [2024-11-28 04:35:51,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:35:51,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-28 04:35:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:51,222 INFO L225 Difference]: With dead ends: 1384 [2024-11-28 04:35:51,222 INFO L226 Difference]: Without dead ends: 840 [2024-11-28 04:35:51,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:35:51,234 INFO L435 NwaCegarLoop]: 687 mSDtfsCounter, 625 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:51,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 2001 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:35:51,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-28 04:35:51,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 433. [2024-11-28 04:35:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4481927710843374) internal successors, (601), 427 states have internal predecessors, (601), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:35:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 617 transitions. [2024-11-28 04:35:51,340 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 617 transitions. Word has length 8 [2024-11-28 04:35:51,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:51,341 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 617 transitions. [2024-11-28 04:35:51,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 617 transitions. [2024-11-28 04:35:51,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 04:35:51,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:51,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:51,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:35:51,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:35:51,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:35:51,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:51,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1596490443, now seen corresponding path program 1 times [2024-11-28 04:35:51,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:51,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100999384] [2024-11-28 04:35:51,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:51,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:51,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100999384] [2024-11-28 04:35:51,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100999384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:51,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:51,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:35:51,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364117348] [2024-11-28 04:35:51,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:51,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:35:51,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:51,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:35:51,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:35:51,864 INFO L87 Difference]: Start difference. First operand 433 states and 617 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-28 04:35:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:52,112 INFO L93 Difference]: Finished difference Result 1052 states and 1514 transitions. [2024-11-28 04:35:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:35:52,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-28 04:35:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:52,120 INFO L225 Difference]: With dead ends: 1052 [2024-11-28 04:35:52,120 INFO L226 Difference]: Without dead ends: 839 [2024-11-28 04:35:52,121 INFO L434 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 [2024-11-28 04:35:52,122 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 578 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:52,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1757 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:35:52,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-28 04:35:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 433. [2024-11-28 04:35:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 427 states have internal predecessors, (600), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:35:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 616 transitions. [2024-11-28 04:35:52,169 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 616 transitions. Word has length 11 [2024-11-28 04:35:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:52,169 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 616 transitions. [2024-11-28 04:35:52,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-28 04:35:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 616 transitions. [2024-11-28 04:35:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 04:35:52,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:52,176 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:52,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:35:52,176 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:35:52,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:52,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1007752753, now seen corresponding path program 1 times [2024-11-28 04:35:52,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:52,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773725263] [2024-11-28 04:35:52,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:52,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:52,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773725263] [2024-11-28 04:35:52,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773725263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:52,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:52,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:35:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526157009] [2024-11-28 04:35:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:52,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:35:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:52,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:35:52,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:35:52,734 INFO L87 Difference]: Start difference. First operand 433 states and 616 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:52,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:52,861 INFO L93 Difference]: Finished difference Result 860 states and 1226 transitions. [2024-11-28 04:35:52,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:35:52,862 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-28 04:35:52,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:52,864 INFO L225 Difference]: With dead ends: 860 [2024-11-28 04:35:52,868 INFO L226 Difference]: Without dead ends: 436 [2024-11-28 04:35:52,869 INFO L434 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 [2024-11-28 04:35:52,870 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 106 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:52,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1649 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:35:52,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-28 04:35:52,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 433. [2024-11-28 04:35:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4289156626506023) internal successors, (593), 427 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:35:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 609 transitions. [2024-11-28 04:35:52,899 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 609 transitions. Word has length 82 [2024-11-28 04:35:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:52,901 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 609 transitions. [2024-11-28 04:35:52,901 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), 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) [2024-11-28 04:35:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 609 transitions. [2024-11-28 04:35:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 04:35:52,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:52,905 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:52,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:35:52,907 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:35:52,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:52,909 INFO L85 PathProgramCache]: Analyzing trace with hash 313503171, now seen corresponding path program 1 times [2024-11-28 04:35:52,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:52,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573458649] [2024-11-28 04:35:52,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:53,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:53,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573458649] [2024-11-28 04:35:53,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573458649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:53,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:53,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:35:53,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386881788] [2024-11-28 04:35:53,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:53,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:53,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:53,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:53,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:53,298 INFO L87 Difference]: Start difference. First operand 433 states and 609 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:53,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:53,500 INFO L93 Difference]: Finished difference Result 1170 states and 1670 transitions. [2024-11-28 04:35:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:53,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-28 04:35:53,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:53,510 INFO L225 Difference]: With dead ends: 1170 [2024-11-28 04:35:53,511 INFO L226 Difference]: Without dead ends: 746 [2024-11-28 04:35:53,512 INFO L434 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 [2024-11-28 04:35:53,513 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 394 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:53,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1398 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:35:53,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-28 04:35:53,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 724. [2024-11-28 04:35:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 706 states have (on average 1.4475920679886685) internal successors, (1022), 718 states have internal predecessors, (1022), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:35:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1038 transitions. [2024-11-28 04:35:53,565 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1038 transitions. Word has length 82 [2024-11-28 04:35:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:53,567 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1038 transitions. [2024-11-28 04:35:53,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:35:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1038 transitions. [2024-11-28 04:35:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:35:53,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:53,570 INFO L218 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] [2024-11-28 04:35:53,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:35:53,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:35:53,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:53,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1334793375, now seen corresponding path program 1 times [2024-11-28 04:35:53,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:53,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286954078] [2024-11-28 04:35:53,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:53,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:35:54,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:54,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286954078] [2024-11-28 04:35:54,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286954078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:54,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:54,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:35:54,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142176245] [2024-11-28 04:35:54,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:54,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:35:54,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:54,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:35:54,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:35:54,453 INFO L87 Difference]: Start difference. First operand 724 states and 1038 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:35:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:54,666 INFO L93 Difference]: Finished difference Result 1033 states and 1475 transitions. [2024-11-28 04:35:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:35:54,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2024-11-28 04:35:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:54,675 INFO L225 Difference]: With dead ends: 1033 [2024-11-28 04:35:54,676 INFO L226 Difference]: Without dead ends: 1031 [2024-11-28 04:35:54,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:35:54,678 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 484 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:54,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1733 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:35:54,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-28 04:35:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 790. [2024-11-28 04:35:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 769 states have (on average 1.433029908972692) internal successors, (1102), 781 states have internal predecessors, (1102), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:35:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1124 transitions. [2024-11-28 04:35:54,737 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1124 transitions. Word has length 97 [2024-11-28 04:35:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:54,737 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1124 transitions. [2024-11-28 04:35:54,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:35:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1124 transitions. [2024-11-28 04:35:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:35:54,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:54,743 INFO L218 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] [2024-11-28 04:35:54,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:35:54,744 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:35:54,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:54,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1314109706, now seen corresponding path program 1 times [2024-11-28 04:35:54,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:54,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312198133] [2024-11-28 04:35:54,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:35:55,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:55,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312198133] [2024-11-28 04:35:55,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312198133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:35:55,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146421457] [2024-11-28 04:35:55,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:55,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:55,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:55,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:35:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:55,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 04:35:56,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:56,020 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 [2024-11-28 04:35:56,065 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 [2024-11-28 04:35:56,100 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 [2024-11-28 04:35:56,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:35:56,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-11-28 04:35:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:35:57,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:57,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146421457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:57,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:35:57,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-28 04:35:57,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651686626] [2024-11-28 04:35:57,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:57,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:35:57,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:57,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:35:57,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:35:57,391 INFO L87 Difference]: Start difference. First operand 790 states and 1124 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:36:00,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:36:04,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:04,059 INFO L93 Difference]: Finished difference Result 1785 states and 2542 transitions. [2024-11-28 04:36:04,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:36:04,060 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-28 04:36:04,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:04,065 INFO L225 Difference]: With dead ends: 1785 [2024-11-28 04:36:04,065 INFO L226 Difference]: Without dead ends: 1085 [2024-11-28 04:36:04,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:36:04,068 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 861 mSDsluCounter, 3796 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:04,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 4422 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-28 04:36:04,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2024-11-28 04:36:04,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 824. [2024-11-28 04:36:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 803 states have (on average 1.4259028642590286) internal successors, (1145), 815 states have internal predecessors, (1145), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:36:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1167 transitions. [2024-11-28 04:36:04,103 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1167 transitions. Word has length 104 [2024-11-28 04:36:04,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:04,104 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1167 transitions. [2024-11-28 04:36:04,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:36:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1167 transitions. [2024-11-28 04:36:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:36:04,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:04,105 INFO L218 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] [2024-11-28 04:36:04,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:36:04,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:04,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:36:04,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:04,311 INFO L85 PathProgramCache]: Analyzing trace with hash -763227192, now seen corresponding path program 1 times [2024-11-28 04:36:04,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:04,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096985703] [2024-11-28 04:36:04,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:36:04,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:04,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096985703] [2024-11-28 04:36:04,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096985703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:04,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:04,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:36:04,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172788040] [2024-11-28 04:36:04,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:04,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:36:04,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:04,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:36:04,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:36:04,551 INFO L87 Difference]: Start difference. First operand 824 states and 1167 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:36:04,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:04,646 INFO L93 Difference]: Finished difference Result 1485 states and 2104 transitions. [2024-11-28 04:36:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:36:04,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-28 04:36:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:04,652 INFO L225 Difference]: With dead ends: 1485 [2024-11-28 04:36:04,653 INFO L226 Difference]: Without dead ends: 692 [2024-11-28 04:36:04,654 INFO L434 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 [2024-11-28 04:36:04,657 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 9 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:04,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1496 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:04,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-28 04:36:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2024-11-28 04:36:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 671 states have (on average 1.399403874813711) internal successors, (939), 683 states have internal predecessors, (939), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:36:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 961 transitions. [2024-11-28 04:36:04,723 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 961 transitions. Word has length 104 [2024-11-28 04:36:04,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:04,723 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 961 transitions. [2024-11-28 04:36:04,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:36:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 961 transitions. [2024-11-28 04:36:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:36:04,725 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:04,725 INFO L218 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] [2024-11-28 04:36:04,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:36:04,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:36:04,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:04,729 INFO L85 PathProgramCache]: Analyzing trace with hash -627921813, now seen corresponding path program 1 times [2024-11-28 04:36:04,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:04,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715490743] [2024-11-28 04:36:04,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:36:05,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:05,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715490743] [2024-11-28 04:36:05,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715490743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:05,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038066115] [2024-11-28 04:36:05,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:05,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:05,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:05,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:05,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:36:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:06,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 04:36:06,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:39,769 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:36:51,785 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:36:59,918 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:37:16,872 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:37:28,209 WARN L286 SmtUtils]: Spent 11.34s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:37:34,489 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:37:52,213 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:38:02,749 WARN L286 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:38:14,762 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:38:39,117 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:38:48,682 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:39:00,699 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:39:16,758 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:39:25,559 WARN L286 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:39:37,573 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:39:59,254 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:40:07,113 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:40:19,019 WARN L286 SmtUtils]: Spent 11.91s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:40:31,079 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:40:38,365 WARN L286 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:40:50,377 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:41:11,159 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:41:27,468 WARN L286 SmtUtils]: Spent 11.70s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:41:43,849 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:41:49,639 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:41:59,031 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:11,090 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:16,389 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:28,401 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:48,807 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:58,748 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:10,828 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:16,854 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:28,866 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:49,724 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:00,923 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:13,025 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:29,596 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:34,791 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:38,842 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse14 (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296))) (let ((.cse9 (* .cse14 256)) (.cse11 (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296)) (.cse13 (* (- 1) |c_ULTIMATE.start_main_~_ha_hashv~0#1|)) (.cse15 (* 16777215 |c_ULTIMATE.start_main_~_ha_hashv~0#1|))) (or (exists ((v_z_31 Int)) (and (<= 0 v_z_31) (<= v_z_31 16777215) (exists ((v_z_10 Int)) (and (<= 0 v_z_10) (exists ((v_z_13 Int)) (let ((.cse0 (mod (+ (* 16711680 v_z_10) .cse15 14384614 (* v_z_13 16776960)) 16777216))) (and (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse0)) (<= v_z_13 255) (exists ((v_y_19 Int)) (let ((.cse12 (* .cse0 16777215))) (let ((.cse2 (* v_y_19 16777216)) (.cse1 (+ (* v_z_31 16777215) .cse12))) (and (<= .cse1 (+ .cse2 562949919866880)) (<= (+ .cse2 562949919866625) .cse1) (exists ((v_y_31 Int)) (let ((.cse3 (* v_y_31 16777216))) (and (<= (+ v_z_31 .cse3) 4294967295) (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse10 (* v_y_27 4294967296)) (.cse8 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse12 (- 562941365879322) .cse13) 16777216)) (.cse4 (* v_z_31 255)) (.cse5 (* v_y_20 256)) (.cse6 (* v_y_27 256)) (.cse7 (* v_y_31 4294967295))) (and (<= (+ .cse4 .cse5 v_y_19 .cse6 .cse7) .cse8) (= .cse9 (+ 1099511627776 (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse10 (* v_y_20 4294967296))) (= (+ .cse11 (* 72057594021150720 v_y_31) .cse10 (* v_z_31 4294967295)) 4294967296) (<= .cse8 (+ .cse4 .cse5 v_y_19 255 .cse6 .cse7))))) (<= 4294967296 (+ .cse14 v_z_31 .cse3)))))))))))) (<= v_z_10 255))))) (exists ((v_z_31 Int)) (and (exists ((v_z_10 Int)) (and (exists ((v_z_13 Int)) (let ((.cse26 (mod (+ (* 16711680 v_z_10) .cse15 14384614 (* v_z_13 16776960)) 16777216))) (and (exists ((v_y_19 Int)) (let ((.cse24 (* .cse26 16777215))) (let ((.cse17 (* v_y_19 16777216)) (.cse16 (+ (* v_z_31 16777215) .cse24))) (and (<= .cse16 (+ .cse17 562949919866880)) (<= (+ .cse17 562949919866625) .cse16) (exists ((v_y_31 Int)) (let ((.cse25 (* v_y_31 16777216))) (and (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse23 (* v_y_27 4294967296)) (.cse22 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse24 (- 562941365879322) .cse13) 16777216)) (.cse18 (* v_z_31 255)) (.cse19 (* v_y_20 256)) (.cse20 (* v_y_27 256)) (.cse21 (* v_y_31 4294967295))) (and (<= (+ .cse18 .cse19 v_y_19 .cse20 .cse21) .cse22) (= .cse9 (+ (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse23 (* v_y_20 4294967296))) (= (+ .cse11 (* 72057594021150720 v_y_31) .cse23 (* v_z_31 4294967295)) 4294967296) (<= .cse22 (+ .cse18 .cse19 v_y_19 255 .cse20 .cse21))))) (<= (+ .cse14 v_z_31 .cse25) 4294967295) (<= 0 (+ v_z_31 .cse25))))))))) (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse26)) (<= v_z_13 255)))) (<= 0 v_z_10) (<= v_z_10 255))) (<= 0 v_z_31) (<= v_z_31 16777215)))))) is different from false [2024-11-28 04:44:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:39,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:39,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038066115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:39,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:39,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15 [2024-11-28 04:44:39,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017869346] [2024-11-28 04:44:39,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:39,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:44:39,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:39,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:44:39,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210 [2024-11-28 04:44:39,404 INFO L87 Difference]: Start difference. First operand 692 states and 961 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:44:43,495 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] [2024-11-28 04:44:46,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:44:50,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:44:53,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:44:57,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:01,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:04,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:08,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:11,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:15,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:18,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:22,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:25,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:29,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:33,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:37,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:41,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:45,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:49,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:53,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:57,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:01,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:05,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:09,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:13,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:17,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:22,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:25,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:27,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:31,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:37,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:46:41,203 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] [2024-11-28 04:46:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:41,229 INFO L93 Difference]: Finished difference Result 1343 states and 1879 transitions. [2024-11-28 04:46:41,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:46:41,230 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-28 04:46:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:41,233 INFO L225 Difference]: With dead ends: 1343 [2024-11-28 04:46:41,233 INFO L226 Difference]: Without dead ends: 692 [2024-11-28 04:46:41,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210 [2024-11-28 04:46:41,236 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 2 mSDsluCounter, 3857 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 1 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4365 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 121.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:41,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4365 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 681 Invalid, 30 Unknown, 80 Unchecked, 121.8s Time] [2024-11-28 04:46:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-28 04:46:41,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2024-11-28 04:46:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 671 states have (on average 1.3964232488822652) internal successors, (937), 683 states have internal predecessors, (937), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:46:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 959 transitions. [2024-11-28 04:46:41,264 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 959 transitions. Word has length 105 [2024-11-28 04:46:41,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:41,265 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 959 transitions. [2024-11-28 04:46:41,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 959 transitions. [2024-11-28 04:46:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:46:41,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:41,267 INFO L218 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] [2024-11-28 04:46:41,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:46:41,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:41,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:41,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:41,471 INFO L85 PathProgramCache]: Analyzing trace with hash 553226223, now seen corresponding path program 1 times [2024-11-28 04:46:41,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:41,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660307157] [2024-11-28 04:46:41,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:41,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:46:41,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660307157] [2024-11-28 04:46:41,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660307157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:41,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:46:41,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:46:41,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074619902] [2024-11-28 04:46:41,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:41,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:46:41,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:41,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:46:41,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:46:41,958 INFO L87 Difference]: Start difference. First operand 692 states and 959 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:42,389 INFO L93 Difference]: Finished difference Result 1346 states and 1881 transitions. [2024-11-28 04:46:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:46:42,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-28 04:46:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:42,396 INFO L225 Difference]: With dead ends: 1346 [2024-11-28 04:46:42,396 INFO L226 Difference]: Without dead ends: 698 [2024-11-28 04:46:42,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:46:42,399 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 4 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:42,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1839 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:46:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-28 04:46:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2024-11-28 04:46:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 677 states have (on average 1.3929098966026587) internal successors, (943), 689 states have internal predecessors, (943), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:46:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 965 transitions. [2024-11-28 04:46:42,429 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 965 transitions. Word has length 106 [2024-11-28 04:46:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 965 transitions. [2024-11-28 04:46:42,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 965 transitions. [2024-11-28 04:46:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 04:46:42,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:42,432 INFO L218 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] [2024-11-28 04:46:42,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:46:42,432 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:42,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash 984846382, now seen corresponding path program 1 times [2024-11-28 04:46:42,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:42,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118941730] [2024-11-28 04:46:42,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:42,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:46:42,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:42,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118941730] [2024-11-28 04:46:42,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118941730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:42,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074958496] [2024-11-28 04:46:42,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:42,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:42,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:42,966 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:42,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:46:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:43,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:46:43,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:46:43,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:43,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074958496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:43,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:43,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-28 04:46:43,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300812556] [2024-11-28 04:46:43,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:43,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:46:43,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:43,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:46:43,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:46:43,688 INFO L87 Difference]: Start difference. First operand 698 states and 965 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:43,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:43,742 INFO L93 Difference]: Finished difference Result 1305 states and 1819 transitions. [2024-11-28 04:46:43,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:46:43,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-28 04:46:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:43,748 INFO L225 Difference]: With dead ends: 1305 [2024-11-28 04:46:43,748 INFO L226 Difference]: Without dead ends: 701 [2024-11-28 04:46:43,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:46:43,750 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1547 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 [2024-11-28 04:46:43,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1547 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:46:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-28 04:46:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701. [2024-11-28 04:46:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3932253313696612) internal successors, (946), 692 states have internal predecessors, (946), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 04:46:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 970 transitions. [2024-11-28 04:46:43,781 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 970 transitions. Word has length 107 [2024-11-28 04:46:43,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:43,782 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 970 transitions. [2024-11-28 04:46:43,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 970 transitions. [2024-11-28 04:46:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 04:46:43,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:43,784 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:43,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:46:43,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:43,985 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:43,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:43,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1187867056, now seen corresponding path program 1 times [2024-11-28 04:46:43,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:43,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269653109] [2024-11-28 04:46:43,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:46:44,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:44,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269653109] [2024-11-28 04:46:44,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269653109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:44,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899488417] [2024-11-28 04:46:44,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:44,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:44,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:44,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:44,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:46:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:45,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:46:45,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:46:45,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:46:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:46:45,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899488417] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:46:45,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:46:45,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 04:46:45,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553181314] [2024-11-28 04:46:45,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:46:45,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:46:45,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:45,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:46:45,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:46:45,400 INFO L87 Difference]: Start difference. First operand 701 states and 970 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:46:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:45,597 INFO L93 Difference]: Finished difference Result 1319 states and 1845 transitions. [2024-11-28 04:46:45,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:46:45,598 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 109 [2024-11-28 04:46:45,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:45,602 INFO L225 Difference]: With dead ends: 1319 [2024-11-28 04:46:45,602 INFO L226 Difference]: Without dead ends: 710 [2024-11-28 04:46:45,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:46:45,605 INFO L435 NwaCegarLoop]: 517 mSDtfsCounter, 4 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2062 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:45,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2062 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:46:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-28 04:46:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2024-11-28 04:46:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 687 states have (on average 1.3944687045123727) internal successors, (958), 700 states have internal predecessors, (958), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 984 transitions. [2024-11-28 04:46:45,638 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 984 transitions. Word has length 109 [2024-11-28 04:46:45,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:45,638 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 984 transitions. [2024-11-28 04:46:45,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:46:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 984 transitions. [2024-11-28 04:46:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 04:46:45,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:45,640 INFO L218 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] [2024-11-28 04:46:45,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:46:45,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:46:45,844 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:45,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:45,845 INFO L85 PathProgramCache]: Analyzing trace with hash 682690638, now seen corresponding path program 2 times [2024-11-28 04:46:45,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:45,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854965927] [2024-11-28 04:46:45,845 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:46:45,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:46,059 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:46:46,059 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:46:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:46:46,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:46,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854965927] [2024-11-28 04:46:46,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854965927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:46,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610864398] [2024-11-28 04:46:46,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:46:46,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:46,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:46,551 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:46,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:46:46,908 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:46:46,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:46:46,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:46:46,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:46,923 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 [2024-11-28 04:46:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 04:46:46,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610864398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:46,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:46,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-28 04:46:46,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133121336] [2024-11-28 04:46:46,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:46,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:46:46,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:46,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:46:46,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:46:46,938 INFO L87 Difference]: Start difference. First operand 710 states and 984 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:46,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:46,965 INFO L93 Difference]: Finished difference Result 710 states and 984 transitions. [2024-11-28 04:46:46,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:46:46,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 113 [2024-11-28 04:46:46,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:46,969 INFO L225 Difference]: With dead ends: 710 [2024-11-28 04:46:46,969 INFO L226 Difference]: Without dead ends: 709 [2024-11-28 04:46:46,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:46:46,970 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 1 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1030 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 [2024-11-28 04:46:46,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1030 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:46:46,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-28 04:46:46,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2024-11-28 04:46:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 687 states have (on average 1.3930131004366813) internal successors, (957), 699 states have internal predecessors, (957), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 983 transitions. [2024-11-28 04:46:47,000 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 983 transitions. Word has length 113 [2024-11-28 04:46:47,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:47,000 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 983 transitions. [2024-11-28 04:46:47,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 983 transitions. [2024-11-28 04:46:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:46:47,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:47,006 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:47,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:46:47,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:46:47,207 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:47,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:47,207 INFO L85 PathProgramCache]: Analyzing trace with hash -311426617, now seen corresponding path program 1 times [2024-11-28 04:46:47,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:47,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381047918] [2024-11-28 04:46:47,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:47,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:47,876 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:46:47,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:47,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381047918] [2024-11-28 04:46:47,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381047918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:47,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900762747] [2024-11-28 04:46:47,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:47,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:47,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:47,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:46:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:48,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:46:48,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 04:46:49,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:49,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900762747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:49,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:49,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 04:46:49,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907987528] [2024-11-28 04:46:49,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:49,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:46:49,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:49,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:46:49,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:46:49,027 INFO L87 Difference]: Start difference. First operand 709 states and 983 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:49,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:49,635 INFO L93 Difference]: Finished difference Result 1374 states and 1921 transitions. [2024-11-28 04:46:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:46:49,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 114 [2024-11-28 04:46:49,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:49,640 INFO L225 Difference]: With dead ends: 1374 [2024-11-28 04:46:49,640 INFO L226 Difference]: Without dead ends: 719 [2024-11-28 04:46:49,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:46:49,642 INFO L435 NwaCegarLoop]: 499 mSDtfsCounter, 8 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:49,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2678 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:46:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-28 04:46:49,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 717. [2024-11-28 04:46:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 695 states have (on average 1.3913669064748202) internal successors, (967), 707 states have internal predecessors, (967), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:49,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions. [2024-11-28 04:46:49,669 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 114 [2024-11-28 04:46:49,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:49,669 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions. [2024-11-28 04:46:49,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions. [2024-11-28 04:46:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 04:46:49,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:49,671 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:49,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:46:49,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:46:49,872 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:49,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:49,872 INFO L85 PathProgramCache]: Analyzing trace with hash 698788323, now seen corresponding path program 1 times [2024-11-28 04:46:49,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:49,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532677161] [2024-11-28 04:46:49,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:49,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 04:46:50,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:50,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532677161] [2024-11-28 04:46:50,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532677161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:50,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:46:50,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:46:50,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892420155] [2024-11-28 04:46:50,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:50,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:46:50,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:50,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:46:50,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:46:50,326 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:51,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:51,029 INFO L93 Difference]: Finished difference Result 1386 states and 1936 transitions. [2024-11-28 04:46:51,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:46:51,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 114 [2024-11-28 04:46:51,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:51,034 INFO L225 Difference]: With dead ends: 1386 [2024-11-28 04:46:51,035 INFO L226 Difference]: Without dead ends: 727 [2024-11-28 04:46:51,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:46:51,037 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 8 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:51,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2685 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:46:51,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-28 04:46:51,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 717. [2024-11-28 04:46:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 695 states have (on average 1.3913669064748202) internal successors, (967), 707 states have internal predecessors, (967), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 993 transitions. [2024-11-28 04:46:51,068 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 993 transitions. Word has length 114 [2024-11-28 04:46:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:51,069 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 993 transitions. [2024-11-28 04:46:51,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 993 transitions. [2024-11-28 04:46:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:46:51,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:51,071 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:51,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:46:51,074 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:51,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:51,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2068291894, now seen corresponding path program 1 times [2024-11-28 04:46:51,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:51,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528371866] [2024-11-28 04:46:51,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:51,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:46:51,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:51,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528371866] [2024-11-28 04:46:51,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528371866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:51,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276661669] [2024-11-28 04:46:51,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:51,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:51,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:51,742 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:51,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:46:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:52,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:46:52,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 04:46:52,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:52,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276661669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:52,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:52,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-28 04:46:52,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227165232] [2024-11-28 04:46:52,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:52,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:46:52,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:52,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:46:52,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:46:52,837 INFO L87 Difference]: Start difference. First operand 717 states and 993 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:53,981 INFO L93 Difference]: Finished difference Result 1391 states and 1940 transitions. [2024-11-28 04:46:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:46:53,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 115 [2024-11-28 04:46:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:53,985 INFO L225 Difference]: With dead ends: 1391 [2024-11-28 04:46:53,985 INFO L226 Difference]: Without dead ends: 737 [2024-11-28 04:46:53,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:46:53,987 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 13 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:53,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3130 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:46:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-28 04:46:54,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 727. [2024-11-28 04:46:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 705 states have (on average 1.3886524822695034) internal successors, (979), 717 states have internal predecessors, (979), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1005 transitions. [2024-11-28 04:46:54,019 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1005 transitions. Word has length 115 [2024-11-28 04:46:54,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:54,020 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 1005 transitions. [2024-11-28 04:46:54,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1005 transitions. [2024-11-28 04:46:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:46:54,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:54,022 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:54,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:46:54,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:54,223 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:54,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:54,224 INFO L85 PathProgramCache]: Analyzing trace with hash -974783334, now seen corresponding path program 1 times [2024-11-28 04:46:54,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:54,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782450902] [2024-11-28 04:46:54,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 04:46:54,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:54,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782450902] [2024-11-28 04:46:54,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782450902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:54,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:46:54,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:46:54,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276822476] [2024-11-28 04:46:54,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:54,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:46:54,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:54,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:46:54,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:46:54,832 INFO L87 Difference]: Start difference. First operand 727 states and 1005 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:55,632 INFO L93 Difference]: Finished difference Result 1406 states and 1958 transitions. [2024-11-28 04:46:55,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:46:55,633 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 115 [2024-11-28 04:46:55,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:55,636 INFO L225 Difference]: With dead ends: 1406 [2024-11-28 04:46:55,637 INFO L226 Difference]: Without dead ends: 747 [2024-11-28 04:46:55,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:46:55,639 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 16 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:55,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3646 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:46:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-28 04:46:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 741. [2024-11-28 04:46:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 719 states have (on average 1.3866481223922114) internal successors, (997), 731 states have internal predecessors, (997), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1023 transitions. [2024-11-28 04:46:55,668 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1023 transitions. Word has length 115 [2024-11-28 04:46:55,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:55,668 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1023 transitions. [2024-11-28 04:46:55,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1023 transitions. [2024-11-28 04:46:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:46:55,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:55,671 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:55,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:46:55,671 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:55,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash -544339269, now seen corresponding path program 1 times [2024-11-28 04:46:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:55,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862807966] [2024-11-28 04:46:55,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:56,304 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:46:56,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:56,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862807966] [2024-11-28 04:46:56,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862807966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:56,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141299422] [2024-11-28 04:46:56,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:56,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:56,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:56,308 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:56,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:46:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:57,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 04:46:57,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 04:46:58,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141299422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:58,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:58,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2024-11-28 04:46:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932239322] [2024-11-28 04:46:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:58,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:46:58,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:58,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:46:58,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:46:58,084 INFO L87 Difference]: Start difference. First operand 741 states and 1023 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:59,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:59,540 INFO L93 Difference]: Finished difference Result 1432 states and 1996 transitions. [2024-11-28 04:46:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:46:59,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 116 [2024-11-28 04:46:59,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:59,545 INFO L225 Difference]: With dead ends: 1432 [2024-11-28 04:46:59,545 INFO L226 Difference]: Without dead ends: 761 [2024-11-28 04:46:59,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:46:59,548 INFO L435 NwaCegarLoop]: 501 mSDtfsCounter, 13 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:59,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4047 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:46:59,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-28 04:46:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 755. [2024-11-28 04:46:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 733 states have (on average 1.3847203274215552) internal successors, (1015), 745 states have internal predecessors, (1015), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:46:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1041 transitions. [2024-11-28 04:46:59,581 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1041 transitions. Word has length 116 [2024-11-28 04:46:59,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:59,581 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1041 transitions. [2024-11-28 04:46:59,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:46:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1041 transitions. [2024-11-28 04:46:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:46:59,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:59,583 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:59,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:46:59,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 04:46:59,788 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:46:59,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:59,788 INFO L85 PathProgramCache]: Analyzing trace with hash 461296443, now seen corresponding path program 1 times [2024-11-28 04:46:59,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:59,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199144324] [2024-11-28 04:46:59,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:59,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:47:00,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:00,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199144324] [2024-11-28 04:47:00,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199144324] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:00,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981176434] [2024-11-28 04:47:00,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:00,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:00,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:00,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:00,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:47:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:01,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:47:01,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-28 04:47:01,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:01,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981176434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:01,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:01,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 04:47:01,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084130918] [2024-11-28 04:47:01,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:01,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:47:01,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:01,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:47:01,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:47:01,294 INFO L87 Difference]: Start difference. First operand 755 states and 1041 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:01,836 INFO L93 Difference]: Finished difference Result 1438 states and 2000 transitions. [2024-11-28 04:47:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:47:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 116 [2024-11-28 04:47:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:01,841 INFO L225 Difference]: With dead ends: 1438 [2024-11-28 04:47:01,841 INFO L226 Difference]: Without dead ends: 765 [2024-11-28 04:47:01,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:47:01,843 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 31 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:01,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2696 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:47:01,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-28 04:47:01,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 759. [2024-11-28 04:47:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 737 states have (on average 1.3826322930800543) internal successors, (1019), 749 states have internal predecessors, (1019), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (15), 7 states have call predecessors, (15), 11 states have call successors, (15) [2024-11-28 04:47:01,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1045 transitions. [2024-11-28 04:47:01,874 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1045 transitions. Word has length 116 [2024-11-28 04:47:01,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:01,875 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1045 transitions. [2024-11-28 04:47:01,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1045 transitions. [2024-11-28 04:47:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:47:01,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:01,877 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:01,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 04:47:02,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 04:47:02,082 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:02,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:02,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1847282302, now seen corresponding path program 1 times [2024-11-28 04:47:02,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:02,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319898082] [2024-11-28 04:47:02,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:02,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-28 04:47:02,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:02,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319898082] [2024-11-28 04:47:02,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319898082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:02,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524697774] [2024-11-28 04:47:02,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:02,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:02,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:02,723 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:02,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:47:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:03,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:47:03,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:47:03,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:47:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 8 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:47:12,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524697774] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:47:12,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:47:12,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 8] total 20 [2024-11-28 04:47:12,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636571971] [2024-11-28 04:47:12,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:47:12,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 04:47:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:12,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 04:47:12,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=280, Unknown=2, NotChecked=0, Total=380 [2024-11-28 04:47:12,117 INFO L87 Difference]: Start difference. First operand 759 states and 1045 transitions. Second operand has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:47:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:13,096 INFO L93 Difference]: Finished difference Result 1416 states and 1975 transitions. [2024-11-28 04:47:13,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:47:13,097 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116 [2024-11-28 04:47:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:13,101 INFO L225 Difference]: With dead ends: 1416 [2024-11-28 04:47:13,101 INFO L226 Difference]: Without dead ends: 772 [2024-11-28 04:47:13,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=303, Invalid=955, Unknown=2, NotChecked=0, Total=1260 [2024-11-28 04:47:13,103 INFO L435 NwaCegarLoop]: 504 mSDtfsCounter, 42 mSDsluCounter, 4991 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 5495 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:13,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 5495 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:47:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-11-28 04:47:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 768. [2024-11-28 04:47:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 746 states have (on average 1.3847184986595173) internal successors, (1033), 758 states have internal predecessors, (1033), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 04:47:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1057 transitions. [2024-11-28 04:47:13,132 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1057 transitions. Word has length 116 [2024-11-28 04:47:13,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:13,133 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1057 transitions. [2024-11-28 04:47:13,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 20 states have internal predecessors, (129), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:47:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1057 transitions. [2024-11-28 04:47:13,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 04:47:13,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:13,135 INFO L218 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:13,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:47:13,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:13,339 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:13,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:13,339 INFO L85 PathProgramCache]: Analyzing trace with hash 264372109, now seen corresponding path program 2 times [2024-11-28 04:47:13,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:13,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563019796] [2024-11-28 04:47:13,339 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:47:13,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:13,581 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:47:13,582 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:47:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 83 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-28 04:47:14,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563019796] [2024-11-28 04:47:14,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563019796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:14,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063807914] [2024-11-28 04:47:14,180 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:47:14,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:14,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:14,183 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:14,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:47:14,902 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:47:14,902 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:47:14,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:47:14,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:14,919 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 [2024-11-28 04:47:15,447 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 19 treesize of output 11 [2024-11-28 04:47:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-28 04:47:15,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:47:20,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063807914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:20,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:47:20,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-28 04:47:20,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308988244] [2024-11-28 04:47:20,404 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:47:20,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:47:20,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:20,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:47:20,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=257, Unknown=1, NotChecked=0, Total=306 [2024-11-28 04:47:20,406 INFO L87 Difference]: Start difference. First operand 768 states and 1057 transitions. Second operand has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:47:21,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:21,656 INFO L93 Difference]: Finished difference Result 1882 states and 2603 transitions. [2024-11-28 04:47:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:47:21,658 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 125 [2024-11-28 04:47:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:21,664 INFO L225 Difference]: With dead ends: 1882 [2024-11-28 04:47:21,664 INFO L226 Difference]: Without dead ends: 1229 [2024-11-28 04:47:21,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=91, Invalid=558, Unknown=1, NotChecked=0, Total=650 [2024-11-28 04:47:21,667 INFO L435 NwaCegarLoop]: 679 mSDtfsCounter, 589 mSDsluCounter, 7497 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 8176 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:21,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 8176 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:47:21,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-28 04:47:21,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 802. [2024-11-28 04:47:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 777 states have (on average 1.3848133848133848) internal successors, (1076), 790 states have internal predecessors, (1076), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 04:47:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1100 transitions. [2024-11-28 04:47:21,736 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1100 transitions. Word has length 125 [2024-11-28 04:47:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:21,738 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1100 transitions. [2024-11-28 04:47:21,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:47:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1100 transitions. [2024-11-28 04:47:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 04:47:21,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:21,741 INFO L218 NwaCegarLoop]: trace histogram [16, 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] [2024-11-28 04:47:21,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 04:47:21,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:21,942 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:21,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:21,943 INFO L85 PathProgramCache]: Analyzing trace with hash 474905988, now seen corresponding path program 1 times [2024-11-28 04:47:21,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:21,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703174580] [2024-11-28 04:47:21,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:21,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 04:47:22,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:22,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703174580] [2024-11-28 04:47:22,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703174580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:22,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434593789] [2024-11-28 04:47:22,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:22,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:22,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:22,799 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:22,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 04:47:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:23,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:47:23,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-28 04:47:23,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:23,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434593789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:23,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:23,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2024-11-28 04:47:23,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641872125] [2024-11-28 04:47:23,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:23,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:47:23,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:23,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:47:23,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:47:23,912 INFO L87 Difference]: Start difference. First operand 802 states and 1100 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:23,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:23,995 INFO L93 Difference]: Finished difference Result 803 states and 1101 transitions. [2024-11-28 04:47:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:47:23,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 128 [2024-11-28 04:47:23,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:24,000 INFO L225 Difference]: With dead ends: 803 [2024-11-28 04:47:24,000 INFO L226 Difference]: Without dead ends: 802 [2024-11-28 04:47:24,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:47:24,002 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 415 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:24,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1007 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:47:24,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-28 04:47:24,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 801. [2024-11-28 04:47:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 777 states have (on average 1.3835263835263836) internal successors, (1075), 789 states have internal predecessors, (1075), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 04:47:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1099 transitions. [2024-11-28 04:47:24,039 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1099 transitions. Word has length 128 [2024-11-28 04:47:24,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:24,040 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1099 transitions. [2024-11-28 04:47:24,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1099 transitions. [2024-11-28 04:47:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 04:47:24,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:24,042 INFO L218 NwaCegarLoop]: trace histogram [16, 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] [2024-11-28 04:47:24,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 04:47:24,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 04:47:24,243 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:24,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:24,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1837185347, now seen corresponding path program 1 times [2024-11-28 04:47:24,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:24,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674912763] [2024-11-28 04:47:24,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:24,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 04:47:24,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674912763] [2024-11-28 04:47:24,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674912763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365717784] [2024-11-28 04:47:24,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:24,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:24,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:24,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:24,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 04:47:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:25,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:47:25,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-28 04:47:26,129 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:26,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365717784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:26,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:26,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2024-11-28 04:47:26,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110493065] [2024-11-28 04:47:26,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:26,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:47:26,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:26,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:47:26,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:47:26,131 INFO L87 Difference]: Start difference. First operand 801 states and 1099 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:26,217 INFO L93 Difference]: Finished difference Result 815 states and 1121 transitions. [2024-11-28 04:47:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:47:26,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 129 [2024-11-28 04:47:26,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:26,223 INFO L225 Difference]: With dead ends: 815 [2024-11-28 04:47:26,223 INFO L226 Difference]: Without dead ends: 814 [2024-11-28 04:47:26,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:47:26,226 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 392 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:26,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1049 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:47:26,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-28 04:47:26,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 805. [2024-11-28 04:47:26,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 781 states have (on average 1.381562099871959) internal successors, (1079), 793 states have internal predecessors, (1079), 11 states have call successors, (11), 5 states have call predecessors, (11), 7 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 04:47:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1103 transitions. [2024-11-28 04:47:26,269 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1103 transitions. Word has length 129 [2024-11-28 04:47:26,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:26,270 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1103 transitions. [2024-11-28 04:47:26,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:26,270 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1103 transitions. [2024-11-28 04:47:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 04:47:26,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:26,273 INFO L218 NwaCegarLoop]: trace histogram [16, 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, 1, 1, 1, 1] [2024-11-28 04:47:26,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 04:47:26,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 04:47:26,474 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:26,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:26,475 INFO L85 PathProgramCache]: Analyzing trace with hash 506344451, now seen corresponding path program 1 times [2024-11-28 04:47:26,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:26,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818967087] [2024-11-28 04:47:26,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-28 04:47:27,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818967087] [2024-11-28 04:47:27,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818967087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246589991] [2024-11-28 04:47:27,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:27,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:27,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:27,168 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:27,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 04:47:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:27,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:47:28,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-28 04:47:28,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:47:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-28 04:47:28,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246589991] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:47:28,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:47:28,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 14 [2024-11-28 04:47:28,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366149212] [2024-11-28 04:47:28,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:47:28,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:47:28,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:28,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:47:28,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:47:28,830 INFO L87 Difference]: Start difference. First operand 805 states and 1103 transitions. Second operand has 14 states, 14 states have (on average 24.214285714285715) internal successors, (339), 14 states have internal predecessors, (339), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-28 04:47:30,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:30,045 INFO L93 Difference]: Finished difference Result 1721 states and 2418 transitions. [2024-11-28 04:47:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 04:47:30,046 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 24.214285714285715) internal successors, (339), 14 states have internal predecessors, (339), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 141 [2024-11-28 04:47:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:30,052 INFO L225 Difference]: With dead ends: 1721 [2024-11-28 04:47:30,053 INFO L226 Difference]: Without dead ends: 1342 [2024-11-28 04:47:30,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=327, Invalid=1005, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 04:47:30,055 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 2907 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 3359 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:30,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 3359 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:47:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-28 04:47:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 865. [2024-11-28 04:47:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 823 states have (on average 1.37910085054678) internal successors, (1135), 850 states have internal predecessors, (1135), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:47:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1189 transitions. [2024-11-28 04:47:30,106 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1189 transitions. Word has length 141 [2024-11-28 04:47:30,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:30,106 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1189 transitions. [2024-11-28 04:47:30,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 24.214285714285715) internal successors, (339), 14 states have internal predecessors, (339), 6 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-28 04:47:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1189 transitions. [2024-11-28 04:47:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-28 04:47:30,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:30,110 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:30,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 04:47:30,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 04:47:30,311 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:30,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:30,312 INFO L85 PathProgramCache]: Analyzing trace with hash 428553871, now seen corresponding path program 1 times [2024-11-28 04:47:30,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:30,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5086342] [2024-11-28 04:47:30,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:30,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 04:47:31,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:31,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5086342] [2024-11-28 04:47:31,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5086342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:31,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724670001] [2024-11-28 04:47:31,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:31,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:31,368 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:31,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 04:47:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:32,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:47:32,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:32,285 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 [2024-11-28 04:47:32,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 04:47:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 04:47:32,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:32,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724670001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:32,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:32,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 04:47:32,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109081335] [2024-11-28 04:47:32,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:32,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:47:32,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:32,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:47:32,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:47:32,561 INFO L87 Difference]: Start difference. First operand 865 states and 1189 transitions. Second operand has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:32,753 INFO L93 Difference]: Finished difference Result 1157 states and 1619 transitions. [2024-11-28 04:47:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:47:32,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 201 [2024-11-28 04:47:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:32,758 INFO L225 Difference]: With dead ends: 1157 [2024-11-28 04:47:32,758 INFO L226 Difference]: Without dead ends: 1156 [2024-11-28 04:47:32,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:47:32,759 INFO L435 NwaCegarLoop]: 498 mSDtfsCounter, 410 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:32,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1285 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:47:32,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-11-28 04:47:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 864. [2024-11-28 04:47:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 823 states have (on average 1.3778857837181044) internal successors, (1134), 849 states have internal predecessors, (1134), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:47:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1188 transitions. [2024-11-28 04:47:32,816 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1188 transitions. Word has length 201 [2024-11-28 04:47:32,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:32,817 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1188 transitions. [2024-11-28 04:47:32,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 44.75) internal successors, (179), 5 states have internal predecessors, (179), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1188 transitions. [2024-11-28 04:47:32,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-28 04:47:32,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:32,821 INFO L218 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:32,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 04:47:33,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:33,021 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:33,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:33,022 INFO L85 PathProgramCache]: Analyzing trace with hash 400268946, now seen corresponding path program 1 times [2024-11-28 04:47:33,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:33,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030960670] [2024-11-28 04:47:33,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:33,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 04:47:34,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:34,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030960670] [2024-11-28 04:47:34,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030960670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:34,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119414949] [2024-11-28 04:47:34,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:34,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:34,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:34,068 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 04:47:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:35,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:47:35,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:35,253 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 [2024-11-28 04:47:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-28 04:47:35,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:35,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119414949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:35,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:35,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 04:47:35,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002301713] [2024-11-28 04:47:35,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:35,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:47:35,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:35,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:47:35,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:47:35,272 INFO L87 Difference]: Start difference. First operand 864 states and 1188 transitions. Second operand has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:35,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:35,526 INFO L93 Difference]: Finished difference Result 1156 states and 1618 transitions. [2024-11-28 04:47:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:47:35,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 202 [2024-11-28 04:47:35,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:35,532 INFO L225 Difference]: With dead ends: 1156 [2024-11-28 04:47:35,532 INFO L226 Difference]: Without dead ends: 1155 [2024-11-28 04:47:35,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:47:35,533 INFO L435 NwaCegarLoop]: 493 mSDtfsCounter, 408 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:35,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1750 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:47:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-28 04:47:35,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 863. [2024-11-28 04:47:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 823 states have (on average 1.376670716889429) internal successors, (1133), 848 states have internal predecessors, (1133), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:47:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1187 transitions. [2024-11-28 04:47:35,586 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1187 transitions. Word has length 202 [2024-11-28 04:47:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:35,587 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1187 transitions. [2024-11-28 04:47:35,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1187 transitions. [2024-11-28 04:47:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 04:47:35,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:35,590 INFO L218 NwaCegarLoop]: trace histogram [16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:35,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 04:47:35,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:35,795 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:35,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:35,796 INFO L85 PathProgramCache]: Analyzing trace with hash -137435719, now seen corresponding path program 1 times [2024-11-28 04:47:35,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:35,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101785222] [2024-11-28 04:47:35,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:35,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 68 proven. 100 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-28 04:47:38,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:38,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101785222] [2024-11-28 04:47:38,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101785222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:38,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760398238] [2024-11-28 04:47:38,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:38,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:38,041 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:38,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 04:47:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:39,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-28 04:47:39,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:39,237 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 [2024-11-28 04:47:39,752 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 19 treesize of output 11 [2024-11-28 04:47:39,787 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 [2024-11-28 04:47:39,819 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 [2024-11-28 04:47:40,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:47:40,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40 [2024-11-28 04:47:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 59 proven. 36 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-28 04:47:40,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:47:43,080 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 30 treesize of output 24 [2024-11-28 04:47:45,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760398238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:45,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:47:45,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2024-11-28 04:47:45,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132752377] [2024-11-28 04:47:45,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:47:45,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:47:45,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:45,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:47:45,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=939, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 04:47:45,192 INFO L87 Difference]: Start difference. First operand 863 states and 1187 transitions. Second operand has 22 states, 22 states have (on average 13.727272727272727) internal successors, (302), 22 states have internal predecessors, (302), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:47:52,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:52,070 INFO L93 Difference]: Finished difference Result 2090 states and 2896 transitions. [2024-11-28 04:47:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 04:47:52,071 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 13.727272727272727) internal successors, (302), 22 states have internal predecessors, (302), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 209 [2024-11-28 04:47:52,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:52,076 INFO L225 Difference]: With dead ends: 2090 [2024-11-28 04:47:52,076 INFO L226 Difference]: Without dead ends: 1352 [2024-11-28 04:47:52,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 299 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=267, Invalid=2085, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 04:47:52,079 INFO L435 NwaCegarLoop]: 661 mSDtfsCounter, 688 mSDsluCounter, 10368 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 11029 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:52,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 11029 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-28 04:47:52,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-28 04:47:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 894. [2024-11-28 04:47:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 854 states have (on average 1.3629976580796253) internal successors, (1164), 879 states have internal predecessors, (1164), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:47:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1218 transitions. [2024-11-28 04:47:52,128 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1218 transitions. Word has length 209 [2024-11-28 04:47:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:52,128 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1218 transitions. [2024-11-28 04:47:52,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.727272727272727) internal successors, (302), 22 states have internal predecessors, (302), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:47:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1218 transitions. [2024-11-28 04:47:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 04:47:52,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:52,131 INFO L218 NwaCegarLoop]: trace histogram [17, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:52,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-28 04:47:52,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 04:47:52,332 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:52,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:52,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2009540358, now seen corresponding path program 1 times [2024-11-28 04:47:52,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:52,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310392103] [2024-11-28 04:47:52,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:52,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 71 proven. 118 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-28 04:47:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:53,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310392103] [2024-11-28 04:47:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310392103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:53,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572097552] [2024-11-28 04:47:53,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:53,821 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:53,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 04:47:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:55,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 04:47:55,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:47:55,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:55,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572097552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:55,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:55,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-11-28 04:47:55,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606068246] [2024-11-28 04:47:55,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:55,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:47:55,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:55,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:47:55,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:47:55,761 INFO L87 Difference]: Start difference. First operand 894 states and 1218 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:56,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:56,475 INFO L93 Difference]: Finished difference Result 1719 states and 2360 transitions. [2024-11-28 04:47:56,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:47:56,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 213 [2024-11-28 04:47:56,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:56,479 INFO L225 Difference]: With dead ends: 1719 [2024-11-28 04:47:56,479 INFO L226 Difference]: Without dead ends: 904 [2024-11-28 04:47:56,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:47:56,481 INFO L435 NwaCegarLoop]: 502 mSDtfsCounter, 6 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:56,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2667 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:47:56,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-28 04:47:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 894. [2024-11-28 04:47:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 854 states have (on average 1.3629976580796253) internal successors, (1164), 879 states have internal predecessors, (1164), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:47:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1218 transitions. [2024-11-28 04:47:56,531 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1218 transitions. Word has length 213 [2024-11-28 04:47:56,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:56,532 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1218 transitions. [2024-11-28 04:47:56,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1218 transitions. [2024-11-28 04:47:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 04:47:56,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:56,535 INFO L218 NwaCegarLoop]: trace histogram [17, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:56,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-28 04:47:56,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 04:47:56,736 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:56,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:56,736 INFO L85 PathProgramCache]: Analyzing trace with hash 243935184, now seen corresponding path program 1 times [2024-11-28 04:47:56,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:56,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017546892] [2024-11-28 04:47:56,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:56,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-28 04:47:57,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:57,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017546892] [2024-11-28 04:47:57,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017546892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:57,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:47:57,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:47:57,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033196452] [2024-11-28 04:47:57,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:57,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:47:57,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:57,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:47:57,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:47:57,530 INFO L87 Difference]: Start difference. First operand 894 states and 1218 transitions. Second operand has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:58,470 INFO L93 Difference]: Finished difference Result 1727 states and 2370 transitions. [2024-11-28 04:47:58,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:47:58,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 213 [2024-11-28 04:47:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:58,476 INFO L225 Difference]: With dead ends: 1727 [2024-11-28 04:47:58,476 INFO L226 Difference]: Without dead ends: 912 [2024-11-28 04:47:58,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:47:58,478 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 19 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:58,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 4035 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:47:58,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-28 04:47:58,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 900. [2024-11-28 04:47:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 860 states have (on average 1.3604651162790697) internal successors, (1170), 885 states have internal predecessors, (1170), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:47:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1224 transitions. [2024-11-28 04:47:58,531 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1224 transitions. Word has length 213 [2024-11-28 04:47:58,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:58,532 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1224 transitions. [2024-11-28 04:47:58,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:47:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1224 transitions. [2024-11-28 04:47:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 04:47:58,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:58,534 INFO L218 NwaCegarLoop]: trace histogram [17, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:47:58,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 04:47:58,534 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:47:58,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:58,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1702036590, now seen corresponding path program 1 times [2024-11-28 04:47:58,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819482609] [2024-11-28 04:47:58,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 72 proven. 118 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-28 04:48:00,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:00,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819482609] [2024-11-28 04:48:00,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819482609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:00,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669930656] [2024-11-28 04:48:00,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:00,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:00,234 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:00,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 04:48:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:02,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 04:48:02,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 74 proven. 163 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 04:48:02,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 162 proven. 46 refuted. 9 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-28 04:48:39,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669930656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:39,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:48:39,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 14] total 34 [2024-11-28 04:48:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767155838] [2024-11-28 04:48:39,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:39,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 04:48:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:39,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 04:48:39,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=803, Unknown=9, NotChecked=0, Total=1122 [2024-11-28 04:48:39,596 INFO L87 Difference]: Start difference. First operand 900 states and 1224 transitions. Second operand has 34 states, 34 states have (on average 6.0) internal successors, (204), 34 states have internal predecessors, (204), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:48:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:45,797 INFO L93 Difference]: Finished difference Result 1723 states and 2373 transitions. [2024-11-28 04:48:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 04:48:45,798 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 6.0) internal successors, (204), 34 states have internal predecessors, (204), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 215 [2024-11-28 04:48:45,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:45,803 INFO L225 Difference]: With dead ends: 1723 [2024-11-28 04:48:45,804 INFO L226 Difference]: Without dead ends: 948 [2024-11-28 04:48:45,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=964, Invalid=2107, Unknown=9, NotChecked=0, Total=3080 [2024-11-28 04:48:45,806 INFO L435 NwaCegarLoop]: 514 mSDtfsCounter, 14 mSDsluCounter, 6160 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:45,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6674 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:48:45,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-28 04:48:45,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 932. [2024-11-28 04:48:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 892 states have (on average 1.3744394618834082) internal successors, (1226), 917 states have internal predecessors, (1226), 26 states have call successors, (26), 8 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-28 04:48:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1280 transitions. [2024-11-28 04:48:45,863 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1280 transitions. Word has length 215 [2024-11-28 04:48:45,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:45,864 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1280 transitions. [2024-11-28 04:48:45,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.0) internal successors, (204), 34 states have internal predecessors, (204), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:48:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1280 transitions. [2024-11-28 04:48:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-28 04:48:45,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:45,866 INFO L218 NwaCegarLoop]: trace histogram [33, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:45,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 04:48:46,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 04:48:46,067 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:48:46,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 447680018, now seen corresponding path program 2 times [2024-11-28 04:48:46,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:46,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805602948] [2024-11-28 04:48:46,067 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:48:46,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:47,350 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:48:47,350 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:48:48,548 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 72 proven. 344 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-28 04:48:48,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:48,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805602948] [2024-11-28 04:48:48,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805602948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:48,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182666015] [2024-11-28 04:48:48,549 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:48:48,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:48,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:48,551 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:48,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2fb4209-1a62-4299-b512-3d4d2cd3b61f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 04:48:56,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:48:56,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:48:56,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 333 conjuncts are in the unsatisfiable core [2024-11-28 04:48:56,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:56,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 04:48:56,813 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 [2024-11-28 04:48:56,847 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-28 04:48:56,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-28 04:48:56,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:48:57,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 04:48:57,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-28 04:48:57,761 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:48:57,761 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-28 04:48:57,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:49:00,077 INFO L224 Elim1Store]: Index analysis took 114 ms