./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.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_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/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_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/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_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/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 9fd228108b00a337c799c923821cefd2f3f25ea1b43eb489705884efe2b6ca03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:21:25,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:21:25,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:21:25,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:21:25,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:21:25,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:21:25,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:21:25,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:21:25,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:21:25,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:21:25,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:21:25,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:21:25,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:21:25,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:21:25,508 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:21:25,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:21:25,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:21:25,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:21:25,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:21:25,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:21:25,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:21:25,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:21:25,511 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:21:25,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:21:25,512 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:21:25,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:21:25,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:21:25,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:21:25,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:25,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:21:25,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:25,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:21:25,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:21:25,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:21:25,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:21:25,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:21:25,514 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_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/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 -> 9fd228108b00a337c799c923821cefd2f3f25ea1b43eb489705884efe2b6ca03 [2024-11-28 03:21:25,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:21:25,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:21:25,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:21:25,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:21:25,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:21:25,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i [2024-11-28 03:21:29,345 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/data/9a83ec8d5/14b09ebae038439fa66331505194ff14/FLAG36a17cfb6 [2024-11-28 03:21:29,897 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:21:29,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i [2024-11-28 03:21:29,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/data/9a83ec8d5/14b09ebae038439fa66331505194ff14/FLAG36a17cfb6 [2024-11-28 03:21:29,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/data/9a83ec8d5/14b09ebae038439fa66331505194ff14 [2024-11-28 03:21:29,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:21:29,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:21:29,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:21:29,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:21:29,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:21:29,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:29" (1/1) ... [2024-11-28 03:21:29,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285965fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:29, skipping insertion in model container [2024-11-28 03:21:29,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:29" (1/1) ... [2024-11-28 03:21:30,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:21:30,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:21:30,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:21:30,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:21:30,999 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:21:30,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30 WrapperNode [2024-11-28 03:21:31,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:21:31,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:21:31,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:21:31,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:21:31,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,147 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2000 [2024-11-28 03:21:31,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:21:31,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:21:31,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:21:31,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:21:31,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,200 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,405 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 24, 323]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 1, 82]. [2024-11-28 03:21:31,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:21:31,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:21:31,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:21:31,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:21:31,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (1/1) ... [2024-11-28 03:21:31,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:21:31,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:31,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:21:31,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:21:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:21:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:21:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:21:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:21:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:21:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:21:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:21:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:21:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:21:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:21:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:21:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:21:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:21:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:21:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:21:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:21:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:21:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:21:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:21:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:21:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:21:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:21:31,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:21:31,992 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:21:31,994 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:21:35,447 INFO L? ?]: Removed 492 outVars from TransFormulas that were not future-live. [2024-11-28 03:21:35,447 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:21:35,503 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:21:35,503 INFO L312 CfgBuilder]: Removed 47 assume(true) statements. [2024-11-28 03:21:35,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:35 BoogieIcfgContainer [2024-11-28 03:21:35,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:21:35,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:21:35,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:21:35,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:21:35,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:29" (1/3) ... [2024-11-28 03:21:35,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e6a6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:35, skipping insertion in model container [2024-11-28 03:21:35,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:30" (2/3) ... [2024-11-28 03:21:35,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e6a6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:35, skipping insertion in model container [2024-11-28 03:21:35,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:35" (3/3) ... [2024-11-28 03:21:35,523 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-1.i [2024-11-28 03:21:35,545 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:21:35,548 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test5-1.i that has 6 procedures, 606 locations, 1 initial locations, 49 loop locations, and 10 error locations. [2024-11-28 03:21:35,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:21:35,681 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;@6f025445, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:21:35,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-28 03:21:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 598 states, 571 states have (on average 1.6199649737302977) internal successors, (925), 588 states have internal predecessors, (925), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 03:21:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:21:35,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:35,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:21:35,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:35,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1808242346, now seen corresponding path program 1 times [2024-11-28 03:21:35,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:35,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003455212] [2024-11-28 03:21:35,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:35,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:35,935 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 03:21:35,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:35,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003455212] [2024-11-28 03:21:35,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003455212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:35,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:35,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:21:35,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774759370] [2024-11-28 03:21:35,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:35,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:21:35,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:35,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:21:35,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:21:35,987 INFO L87 Difference]: Start difference. First operand has 598 states, 571 states have (on average 1.6199649737302977) internal successors, (925), 588 states have internal predecessors, (925), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 03:21:36,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:36,123 INFO L93 Difference]: Finished difference Result 1190 states and 1904 transitions. [2024-11-28 03:21:36,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:21:36,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-28 03:21:36,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:36,154 INFO L225 Difference]: With dead ends: 1190 [2024-11-28 03:21:36,154 INFO L226 Difference]: Without dead ends: 587 [2024-11-28 03:21:36,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:21:36,167 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:36,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:21:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-28 03:21:36,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2024-11-28 03:21:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 566 states have (on average 1.4558303886925794) internal successors, (824), 578 states have internal predecessors, (824), 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 03:21:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 846 transitions. [2024-11-28 03:21:36,302 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 846 transitions. Word has length 6 [2024-11-28 03:21:36,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:36,303 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 846 transitions. [2024-11-28 03:21:36,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 03:21:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 846 transitions. [2024-11-28 03:21:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 03:21:36,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:36,304 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:21:36,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:21:36,305 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:36,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:36,305 INFO L85 PathProgramCache]: Analyzing trace with hash 220939469, now seen corresponding path program 1 times [2024-11-28 03:21:36,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:36,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840348725] [2024-11-28 03:21:36,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:36,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:36,401 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 03:21:36,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840348725] [2024-11-28 03:21:36,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840348725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:36,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:36,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:21:36,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464166025] [2024-11-28 03:21:36,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:36,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:36,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:36,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:36,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:36,405 INFO L87 Difference]: Start difference. First operand 587 states and 846 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:21:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:36,633 INFO L93 Difference]: Finished difference Result 1339 states and 1945 transitions. [2024-11-28 03:21:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:36,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-28 03:21:36,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:36,649 INFO L225 Difference]: With dead ends: 1339 [2024-11-28 03:21:36,649 INFO L226 Difference]: Without dead ends: 1155 [2024-11-28 03:21:36,652 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 03:21:36,653 INFO L435 NwaCegarLoop]: 889 mSDtfsCounter, 803 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:36,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1717 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-28 03:21:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 766. [2024-11-28 03:21:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 740 states have (on average 1.4594594594594594) internal successors, (1080), 757 states have internal predecessors, (1080), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:21:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1112 transitions. [2024-11-28 03:21:36,745 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1112 transitions. Word has length 7 [2024-11-28 03:21:36,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:36,745 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1112 transitions. [2024-11-28 03:21:36,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:21:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1112 transitions. [2024-11-28 03:21:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 03:21:36,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:36,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:36,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:21:36,762 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:36,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:36,766 INFO L85 PathProgramCache]: Analyzing trace with hash 851238736, now seen corresponding path program 1 times [2024-11-28 03:21:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:36,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008112044] [2024-11-28 03:21:36,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:36,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:38,046 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 03:21:38,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:38,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008112044] [2024-11-28 03:21:38,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008112044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:38,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:38,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:21:38,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568338033] [2024-11-28 03:21:38,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:38,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:38,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:38,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:38,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:38,052 INFO L87 Difference]: Start difference. First operand 766 states and 1112 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 03:21:38,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:38,258 INFO L93 Difference]: Finished difference Result 1481 states and 2149 transitions. [2024-11-28 03:21:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:21:38,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 152 [2024-11-28 03:21:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:38,270 INFO L225 Difference]: With dead ends: 1481 [2024-11-28 03:21:38,270 INFO L226 Difference]: Without dead ends: 723 [2024-11-28 03:21:38,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:21:38,275 INFO L435 NwaCegarLoop]: 743 mSDtfsCounter, 30 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:38,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 2210 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:38,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-28 03:21:38,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2024-11-28 03:21:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 697 states have (on average 1.4375896700143471) internal successors, (1002), 714 states have internal predecessors, (1002), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:21:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1034 transitions. [2024-11-28 03:21:38,328 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1034 transitions. Word has length 152 [2024-11-28 03:21:38,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:38,328 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 1034 transitions. [2024-11-28 03:21:38,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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 03:21:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1034 transitions. [2024-11-28 03:21:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 03:21:38,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:38,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:38,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:21:38,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:38,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash -487120676, now seen corresponding path program 1 times [2024-11-28 03:21:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:38,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058642768] [2024-11-28 03:21:38,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:38,893 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 03:21:38,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:38,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058642768] [2024-11-28 03:21:38,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058642768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:38,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:38,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:21:38,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774023716] [2024-11-28 03:21:38,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:38,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:38,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:38,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:38,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:38,899 INFO L87 Difference]: Start difference. First operand 723 states and 1034 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 03:21:38,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:38,996 INFO L93 Difference]: Finished difference Result 1523 states and 2177 transitions. [2024-11-28 03:21:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:38,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 152 [2024-11-28 03:21:39,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:39,005 INFO L225 Difference]: With dead ends: 1523 [2024-11-28 03:21:39,006 INFO L226 Difference]: Without dead ends: 808 [2024-11-28 03:21:39,010 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 03:21:39,011 INFO L435 NwaCegarLoop]: 761 mSDtfsCounter, 58 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:39,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1515 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-28 03:21:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2024-11-28 03:21:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 782 states have (on average 1.4296675191815857) internal successors, (1118), 799 states have internal predecessors, (1118), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:21:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1150 transitions. [2024-11-28 03:21:39,067 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1150 transitions. Word has length 152 [2024-11-28 03:21:39,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:39,068 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1150 transitions. [2024-11-28 03:21:39,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 03:21:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1150 transitions. [2024-11-28 03:21:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 03:21:39,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:39,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:39,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:21:39,074 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:39,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash 93252379, now seen corresponding path program 1 times [2024-11-28 03:21:39,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:39,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191142070] [2024-11-28 03:21:39,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:39,744 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 03:21:39,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191142070] [2024-11-28 03:21:39,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191142070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:39,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:39,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:21:39,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596331900] [2024-11-28 03:21:39,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:39,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:39,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:39,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:39,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:39,749 INFO L87 Difference]: Start difference. First operand 808 states and 1150 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 03:21:39,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:39,904 INFO L93 Difference]: Finished difference Result 1526 states and 2179 transitions. [2024-11-28 03:21:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:21:39,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 167 [2024-11-28 03:21:39,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:39,912 INFO L225 Difference]: With dead ends: 1526 [2024-11-28 03:21:39,912 INFO L226 Difference]: Without dead ends: 811 [2024-11-28 03:21:39,914 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 03:21:39,916 INFO L435 NwaCegarLoop]: 734 mSDtfsCounter, 106 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2108 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 03:21:39,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2108 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:39,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-28 03:21:39,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 808. [2024-11-28 03:21:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 782 states have (on average 1.4207161125319694) internal successors, (1111), 799 states have internal predecessors, (1111), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:21:39,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1143 transitions. [2024-11-28 03:21:39,958 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1143 transitions. Word has length 167 [2024-11-28 03:21:39,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:39,963 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1143 transitions. [2024-11-28 03:21:39,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 03:21:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1143 transitions. [2024-11-28 03:21:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 03:21:39,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:39,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:39,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:21:39,969 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:39,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:39,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1946667633, now seen corresponding path program 1 times [2024-11-28 03:21:39,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:39,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090945009] [2024-11-28 03:21:39,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:40,454 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 03:21:40,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090945009] [2024-11-28 03:21:40,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090945009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:40,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:40,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:21:40,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42379571] [2024-11-28 03:21:40,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:40,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:40,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:40,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:40,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:40,459 INFO L87 Difference]: Start difference. First operand 808 states and 1143 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 03:21:40,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:40,563 INFO L93 Difference]: Finished difference Result 1529 states and 2171 transitions. [2024-11-28 03:21:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:40,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 167 [2024-11-28 03:21:40,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:40,572 INFO L225 Difference]: With dead ends: 1529 [2024-11-28 03:21:40,572 INFO L226 Difference]: Without dead ends: 814 [2024-11-28 03:21:40,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:40,577 INFO L435 NwaCegarLoop]: 749 mSDtfsCounter, 1 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:40,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1476 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:40,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-28 03:21:40,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 814. [2024-11-28 03:21:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 788 states have (on average 1.41751269035533) internal successors, (1117), 805 states have internal predecessors, (1117), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:21:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1149 transitions. [2024-11-28 03:21:40,617 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1149 transitions. Word has length 167 [2024-11-28 03:21:40,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:40,619 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1149 transitions. [2024-11-28 03:21:40,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 03:21:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1149 transitions. [2024-11-28 03:21:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 03:21:40,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:40,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:40,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:21:40,622 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:40,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash 409137617, now seen corresponding path program 1 times [2024-11-28 03:21:40,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:40,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103459749] [2024-11-28 03:21:40,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:40,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:41,128 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 03:21:41,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:41,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103459749] [2024-11-28 03:21:41,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103459749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:41,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:41,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:21:41,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41931567] [2024-11-28 03:21:41,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:41,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:21:41,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:41,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:21:41,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:21:41,133 INFO L87 Difference]: Start difference. First operand 814 states and 1149 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 03:21:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:41,264 INFO L93 Difference]: Finished difference Result 1908 states and 2716 transitions. [2024-11-28 03:21:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:21:41,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 167 [2024-11-28 03:21:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:41,274 INFO L225 Difference]: With dead ends: 1908 [2024-11-28 03:21:41,274 INFO L226 Difference]: Without dead ends: 1187 [2024-11-28 03:21:41,276 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 03:21:41,277 INFO L435 NwaCegarLoop]: 951 mSDtfsCounter, 467 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:41,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 1692 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:41,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-28 03:21:41,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1182. [2024-11-28 03:21:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1143 states have (on average 1.426946631671041) internal successors, (1631), 1170 states have internal predecessors, (1631), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 03:21:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1689 transitions. [2024-11-28 03:21:41,336 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1689 transitions. Word has length 167 [2024-11-28 03:21:41,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:41,336 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1689 transitions. [2024-11-28 03:21:41,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 03:21:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1689 transitions. [2024-11-28 03:21:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-28 03:21:41,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:41,340 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:41,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:21:41,340 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:41,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:41,341 INFO L85 PathProgramCache]: Analyzing trace with hash -361119432, now seen corresponding path program 1 times [2024-11-28 03:21:41,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:41,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309178745] [2024-11-28 03:21:41,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:41,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:21:42,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309178745] [2024-11-28 03:21:42,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309178745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:42,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:42,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:21:42,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347548632] [2024-11-28 03:21:42,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:42,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:42,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:42,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:42,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:42,059 INFO L87 Difference]: Start difference. First operand 1182 states and 1689 transitions. Second operand has 4 states, 3 states have (on average 55.0) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:42,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:42,221 INFO L93 Difference]: Finished difference Result 1252 states and 1777 transitions. [2024-11-28 03:21:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:21:42,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.0) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-11-28 03:21:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:42,231 INFO L225 Difference]: With dead ends: 1252 [2024-11-28 03:21:42,231 INFO L226 Difference]: Without dead ends: 1250 [2024-11-28 03:21:42,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:21:42,233 INFO L435 NwaCegarLoop]: 745 mSDtfsCounter, 549 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:42,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 2223 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:21:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2024-11-28 03:21:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1248. [2024-11-28 03:21:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1206 states have (on average 1.4187396351575456) internal successors, (1711), 1233 states have internal predecessors, (1711), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:21:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1775 transitions. [2024-11-28 03:21:42,311 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1775 transitions. Word has length 182 [2024-11-28 03:21:42,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:42,311 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1775 transitions. [2024-11-28 03:21:42,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.0) internal successors, (165), 4 states have internal predecessors, (165), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1775 transitions. [2024-11-28 03:21:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-28 03:21:42,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:42,320 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:42,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:21:42,321 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:42,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1089799062, now seen corresponding path program 1 times [2024-11-28 03:21:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:42,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853540587] [2024-11-28 03:21:42,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:21:44,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:44,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853540587] [2024-11-28 03:21:44,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853540587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:44,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111341143] [2024-11-28 03:21:44,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:44,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:44,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:44,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:44,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:21:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:45,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 03:21:45,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:45,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:21:45,298 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 21 treesize of output 20 [2024-11-28 03:21:46,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:21:46,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 44 [2024-11-28 03:21:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:21:46,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:21:46,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111341143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:46,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:21:46,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-28 03:21:46,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540224446] [2024-11-28 03:21:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:46,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:21:46,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:46,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:21:46,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:21:46,911 INFO L87 Difference]: Start difference. First operand 1248 states and 1775 transitions. Second operand has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:49,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:21:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:52,187 INFO L93 Difference]: Finished difference Result 2466 states and 3511 transitions. [2024-11-28 03:21:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:21:52,188 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-28 03:21:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:52,196 INFO L225 Difference]: With dead ends: 2466 [2024-11-28 03:21:52,196 INFO L226 Difference]: Without dead ends: 1264 [2024-11-28 03:21:52,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:21:52,199 INFO L435 NwaCegarLoop]: 790 mSDtfsCounter, 848 mSDsluCounter, 4241 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:52,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 5031 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 03:21:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2024-11-28 03:21:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1248. [2024-11-28 03:21:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1206 states have (on average 1.4179104477611941) internal successors, (1710), 1233 states have internal predecessors, (1710), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:21:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1774 transitions. [2024-11-28 03:21:52,260 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1774 transitions. Word has length 189 [2024-11-28 03:21:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:52,260 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1774 transitions. [2024-11-28 03:21:52,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1774 transitions. [2024-11-28 03:21:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 03:21:52,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:52,265 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:52,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:21:52,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 03:21:52,469 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:52,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:52,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1041983354, now seen corresponding path program 1 times [2024-11-28 03:21:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:52,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658018941] [2024-11-28 03:21:52,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:21:54,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658018941] [2024-11-28 03:21:54,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658018941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:21:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8752457] [2024-11-28 03:21:54,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:54,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:54,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:21:54,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:21:54,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:21:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:55,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:21:55,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:21:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:21:55,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:21:55,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8752457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:55,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:21:55,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-28 03:21:55,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416929472] [2024-11-28 03:21:55,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:55,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:21:55,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:55,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:21:55,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:21:55,460 INFO L87 Difference]: Start difference. First operand 1248 states and 1774 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:55,697 INFO L93 Difference]: Finished difference Result 2450 states and 3496 transitions. [2024-11-28 03:21:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:21:55,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-28 03:21:55,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:55,705 INFO L225 Difference]: With dead ends: 2450 [2024-11-28 03:21:55,705 INFO L226 Difference]: Without dead ends: 1248 [2024-11-28 03:21:55,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:21:55,708 INFO L435 NwaCegarLoop]: 745 mSDtfsCounter, 17 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2106 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:55,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2106 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:21:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-28 03:21:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2024-11-28 03:21:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1206 states have (on average 1.4162520729684909) internal successors, (1708), 1233 states have internal predecessors, (1708), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:21:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1772 transitions. [2024-11-28 03:21:55,766 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1772 transitions. Word has length 190 [2024-11-28 03:21:55,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:55,767 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1772 transitions. [2024-11-28 03:21:55,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1772 transitions. [2024-11-28 03:21:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 03:21:55,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:55,770 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:55,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:21:55,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:21:55,975 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:55,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash 341684507, now seen corresponding path program 1 times [2024-11-28 03:21:55,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:55,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57491951] [2024-11-28 03:21:55,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:21:56,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:56,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57491951] [2024-11-28 03:21:56,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57491951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:56,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:56,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:21:56,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842524179] [2024-11-28 03:21:56,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:56,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:21:56,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:56,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:21:56,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:21:56,779 INFO L87 Difference]: Start difference. First operand 1248 states and 1772 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:57,182 INFO L93 Difference]: Finished difference Result 2453 states and 3498 transitions. [2024-11-28 03:21:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:21:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 191 [2024-11-28 03:21:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:57,191 INFO L225 Difference]: With dead ends: 2453 [2024-11-28 03:21:57,191 INFO L226 Difference]: Without dead ends: 1254 [2024-11-28 03:21:57,194 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 03:21:57,195 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 8 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:57,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2775 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:21:57,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-28 03:21:57,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1254. [2024-11-28 03:21:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1212 states have (on average 1.4141914191419143) internal successors, (1714), 1239 states have internal predecessors, (1714), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:21:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1778 transitions. [2024-11-28 03:21:57,254 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1778 transitions. Word has length 191 [2024-11-28 03:21:57,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:57,254 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1778 transitions. [2024-11-28 03:21:57,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1778 transitions. [2024-11-28 03:21:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 03:21:57,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:57,258 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:57,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:21:57,259 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:57,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1262866177, now seen corresponding path program 1 times [2024-11-28 03:21:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:57,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349329041] [2024-11-28 03:21:57,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:21:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:21:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:21:57,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:21:57,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349329041] [2024-11-28 03:21:57,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349329041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:57,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:57,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:21:57,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508951511] [2024-11-28 03:21:57,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:57,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:21:57,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:21:57,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:21:57,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:21:57,994 INFO L87 Difference]: Start difference. First operand 1254 states and 1778 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:58,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:58,568 INFO L93 Difference]: Finished difference Result 2459 states and 3502 transitions. [2024-11-28 03:21:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:21:58,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-28 03:21:58,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:58,576 INFO L225 Difference]: With dead ends: 2459 [2024-11-28 03:21:58,577 INFO L226 Difference]: Without dead ends: 1264 [2024-11-28 03:21:58,579 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 03:21:58,580 INFO L435 NwaCegarLoop]: 734 mSDtfsCounter, 12 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:58,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4084 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:21:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2024-11-28 03:21:58,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1262. [2024-11-28 03:21:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1220 states have (on average 1.4131147540983606) internal successors, (1724), 1247 states have internal predecessors, (1724), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:21:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1788 transitions. [2024-11-28 03:21:58,648 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1788 transitions. Word has length 192 [2024-11-28 03:21:58,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:58,649 INFO L471 AbstractCegarLoop]: Abstraction has 1262 states and 1788 transitions. [2024-11-28 03:21:58,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 03:21:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1788 transitions. [2024-11-28 03:21:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 03:21:58,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:21:58,654 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:21:58,655 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:21:58,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:21:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2000530787, now seen corresponding path program 1 times [2024-11-28 03:21:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:21:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636805824] [2024-11-28 03:21:58,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:21:58,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:22:00,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:00,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636805824] [2024-11-28 03:22:00,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636805824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:22:00,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928989204] [2024-11-28 03:22:00,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:00,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:00,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:00,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:00,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:22:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:01,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:22:01,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:22:01,724 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:01,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928989204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:01,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:22:01,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2024-11-28 03:22:01,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610537508] [2024-11-28 03:22:01,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:01,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:22:01,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:01,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:22:01,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:22:01,727 INFO L87 Difference]: Start difference. First operand 1262 states and 1788 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:02,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:02,658 INFO L93 Difference]: Finished difference Result 2380 states and 3381 transitions. [2024-11-28 03:22:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:22:02,659 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 192 [2024-11-28 03:22:02,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:02,667 INFO L225 Difference]: With dead ends: 2380 [2024-11-28 03:22:02,668 INFO L226 Difference]: Without dead ends: 1368 [2024-11-28 03:22:02,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:22:02,671 INFO L435 NwaCegarLoop]: 734 mSDtfsCounter, 26 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:02,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3981 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:22:02,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-11-28 03:22:02,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1342. [2024-11-28 03:22:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1300 states have (on average 1.4) internal successors, (1820), 1327 states have internal predecessors, (1820), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:22:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1884 transitions. [2024-11-28 03:22:02,728 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1884 transitions. Word has length 192 [2024-11-28 03:22:02,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:02,728 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1884 transitions. [2024-11-28 03:22:02,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 9 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1884 transitions. [2024-11-28 03:22:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-28 03:22:02,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:02,732 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:02,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:22:02,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:02,933 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:22:02,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1843703409, now seen corresponding path program 1 times [2024-11-28 03:22:02,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:02,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195685543] [2024-11-28 03:22:02,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:02,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:22:04,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:04,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195685543] [2024-11-28 03:22:04,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195685543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:04,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:04,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:22:04,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281996143] [2024-11-28 03:22:04,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:04,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:22:04,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:04,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:22:04,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:22:04,111 INFO L87 Difference]: Start difference. First operand 1342 states and 1884 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:05,370 INFO L93 Difference]: Finished difference Result 2401 states and 3392 transitions. [2024-11-28 03:22:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:22:05,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 193 [2024-11-28 03:22:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:05,378 INFO L225 Difference]: With dead ends: 2401 [2024-11-28 03:22:05,378 INFO L226 Difference]: Without dead ends: 1350 [2024-11-28 03:22:05,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:22:05,381 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 18 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3740 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:05,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3740 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:22:05,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-28 03:22:05,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1336. [2024-11-28 03:22:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1294 states have (on average 1.3987635239567233) internal successors, (1810), 1321 states have internal predecessors, (1810), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:22:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1874 transitions. [2024-11-28 03:22:05,439 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1874 transitions. Word has length 193 [2024-11-28 03:22:05,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:05,440 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1874 transitions. [2024-11-28 03:22:05,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1874 transitions. [2024-11-28 03:22:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-28 03:22:05,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:05,444 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:05,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:22:05,445 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:22:05,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:05,446 INFO L85 PathProgramCache]: Analyzing trace with hash 307264738, now seen corresponding path program 1 times [2024-11-28 03:22:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:05,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123571495] [2024-11-28 03:22:05,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:22:06,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:06,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123571495] [2024-11-28 03:22:06,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123571495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:06,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:06,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:22:06,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711971976] [2024-11-28 03:22:06,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:06,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:22:06,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:06,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:22:06,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:22:06,461 INFO L87 Difference]: Start difference. First operand 1336 states and 1874 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:07,368 INFO L93 Difference]: Finished difference Result 2400 states and 3389 transitions. [2024-11-28 03:22:07,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:22:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 194 [2024-11-28 03:22:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:07,376 INFO L225 Difference]: With dead ends: 2400 [2024-11-28 03:22:07,376 INFO L226 Difference]: Without dead ends: 1354 [2024-11-28 03:22:07,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:22:07,379 INFO L435 NwaCegarLoop]: 747 mSDtfsCounter, 17 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3179 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:07,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3179 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:22:07,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2024-11-28 03:22:07,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1344. [2024-11-28 03:22:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1302 states have (on average 1.3978494623655915) internal successors, (1820), 1329 states have internal predecessors, (1820), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:22:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1884 transitions. [2024-11-28 03:22:07,431 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1884 transitions. Word has length 194 [2024-11-28 03:22:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:07,432 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 1884 transitions. [2024-11-28 03:22:07,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1884 transitions. [2024-11-28 03:22:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:22:07,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:07,436 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:07,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:22:07,436 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:22:07,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:07,437 INFO L85 PathProgramCache]: Analyzing trace with hash 97190312, now seen corresponding path program 1 times [2024-11-28 03:22:07,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:07,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798255648] [2024-11-28 03:22:07,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 03:22:08,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:08,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798255648] [2024-11-28 03:22:08,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798255648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:22:08,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008873454] [2024-11-28 03:22:08,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:08,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:08,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:08,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:22:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:09,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:22:09,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 03:22:09,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:09,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008873454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:09,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:22:09,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-28 03:22:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514940795] [2024-11-28 03:22:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:09,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:09,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:09,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:09,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:09,850 INFO L87 Difference]: Start difference. First operand 1344 states and 1884 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:09,932 INFO L93 Difference]: Finished difference Result 2588 states and 3649 transitions. [2024-11-28 03:22:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:22:09,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 195 [2024-11-28 03:22:09,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:09,947 INFO L225 Difference]: With dead ends: 2588 [2024-11-28 03:22:09,949 INFO L226 Difference]: Without dead ends: 1347 [2024-11-28 03:22:09,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 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 03:22:09,952 INFO L435 NwaCegarLoop]: 750 mSDtfsCounter, 0 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:09,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2243 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:22:09,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-11-28 03:22:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1347. [2024-11-28 03:22:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1304 states have (on average 1.3980061349693251) internal successors, (1823), 1332 states have internal predecessors, (1823), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-11-28 03:22:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1891 transitions. [2024-11-28 03:22:10,014 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1891 transitions. Word has length 195 [2024-11-28 03:22:10,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:10,014 INFO L471 AbstractCegarLoop]: Abstraction has 1347 states and 1891 transitions. [2024-11-28 03:22:10,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:22:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1891 transitions. [2024-11-28 03:22:10,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 03:22:10,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:10,018 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:10,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:22:10,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:22:10,223 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-28 03:22:10,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash -625684312, now seen corresponding path program 1 times [2024-11-28 03:22:10,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:10,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495670241] [2024-11-28 03:22:10,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 03:22:11,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:11,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495670241] [2024-11-28 03:22:11,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495670241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:22:11,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380475829] [2024-11-28 03:22:11,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:11,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:11,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:11,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8b7a5a-5521-47da-b2a1-5e42e0bbf3bb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:22:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:13,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 146 conjuncts are in the unsatisfiable core [2024-11-28 03:22:13,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:13,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-28 03:22:13,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:22:13,942 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 32 treesize of output 27 [2024-11-28 03:22:13,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2024-11-28 03:22:14,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-28 03:22:14,039 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 03:22:14,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-28 03:22:14,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:22:14,090 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-28 03:22:14,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:22:14,265 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 18 treesize of output 10 [2024-11-28 03:22:14,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:22:14,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-28 03:22:14,580 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 03:22:14,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-11-28 03:22:14,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-11-28 03:22:14,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 03:22:17,742 INFO L224 Elim1Store]: Index analysis took 294 ms [2024-11-28 03:23:33,615 WARN L286 SmtUtils]: Spent 1.23m on a formula simplification. DAG size of input: 47450 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-28 03:23:33,616 INFO L349 Elim1Store]: treesize reduction 957846, result has 0.0 percent of original size [2024-11-28 03:23:33,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 226 stores, 23 select indices, 23 select index equivalence classes, 1 disjoint index pairs (out of 253 index pairs), introduced 269 new quantified variables, introduced 5703 case distinctions, treesize of input 680073729 treesize of output 149751575 [2024-11-28 03:27:13,932 WARN L286 SmtUtils]: Spent 3.66m on a formula simplification. DAG size of input: 145966 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:27:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:27:15,879 INFO L224 Elim1Store]: Index analysis took 119 ms [2024-11-28 03:29:29,343 WARN L286 SmtUtils]: Spent 2.19m on a formula simplification. DAG size of input: 59755 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-28 03:29:29,343 INFO L349 Elim1Store]: treesize reduction 1205037, result has 0.0 percent of original size [2024-11-28 03:29:29,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 242 stores, 27 select indices, 27 select index equivalence classes, 2 disjoint index pairs (out of 351 index pairs), introduced 292 new quantified variables, introduced 7147 case distinctions, treesize of input 340487896 treesize of output 75118537 [2024-11-28 03:34:25,076 WARN L286 SmtUtils]: Spent 4.91m on a formula simplification. DAG size of input: 165611 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:34:26,836 INFO L190 IndexEqualityManager]: detected not equals via solver