./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:35,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:35,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:12:35,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:35,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:35,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:35,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:35,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:35,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:12:35,392 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:12:35,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:35,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:35,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:35,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:35,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:35,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:35,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:35,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:12:35,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:12:35,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:35,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:35,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:35,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:35,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:12:35,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:35,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:35,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:35,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:35,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:35,396 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_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-13 13:12:35,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:35,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:35,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:35,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:35,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:35,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i Unable to find full path for "g++" [2024-11-13 13:12:37,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:38,093 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:38,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2024-11-13 13:12:38,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/data/5ece5397a/1034e5987b0e476b8d0d7bcf7105acbc/FLAG516f6602c [2024-11-13 13:12:38,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/data/5ece5397a/1034e5987b0e476b8d0d7bcf7105acbc [2024-11-13 13:12:38,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:38,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:38,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:38,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:38,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:38,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:38" (1/1) ... [2024-11-13 13:12:38,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fd5020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:38, skipping insertion in model container [2024-11-13 13:12:38,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:38" (1/1) ... [2024-11-13 13:12:38,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:12:38,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:38,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:12:39,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:39,092 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:12:39,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39 WrapperNode [2024-11-13 13:12:39,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:39,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:39,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:12:39,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:12:39,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,216 INFO L138 Inliner]: procedures = 176, calls = 221, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 948 [2024-11-13 13:12:39,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:39,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:12:39,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:12:39,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:12:39,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,339 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-13 13:12:39,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:12:39,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:12:39,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:12:39,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:12:39,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:39,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:12:39,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:12:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:12:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:12:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:12:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:12:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 13:12:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 13:12:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 13:12:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 13:12:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:12:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:12:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 13:12:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 13:12:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 13:12:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 13:12:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:12:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:12:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:12:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:12:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:12:39,851 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:12:39,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:12:41,393 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-13 13:12:41,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:12:41,411 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:12:41,411 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-13 13:12:41,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:41 BoogieIcfgContainer [2024-11-13 13:12:41,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:12:41,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:12:41,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:12:41,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:12:41,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:12:38" (1/3) ... [2024-11-13 13:12:41,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aae96fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:41, skipping insertion in model container [2024-11-13 13:12:41,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (2/3) ... [2024-11-13 13:12:41,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aae96fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:41, skipping insertion in model container [2024-11-13 13:12:41,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:41" (3/3) ... [2024-11-13 13:12:41,425 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-2.i [2024-11-13 13:12:41,440 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:12:41,441 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test1-2.i that has 3 procedures, 260 locations, 1 initial locations, 25 loop locations, and 6 error locations. [2024-11-13 13:12:41,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:12:41,516 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;@1cc8203e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:12:41,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 13:12:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 245 states have (on average 1.620408163265306) internal successors, (397), 251 states have internal predecessors, (397), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:12:41,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:41,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:12:41,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:41,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1385437638, now seen corresponding path program 1 times [2024-11-13 13:12:41,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549999943] [2024-11-13 13:12:41,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:41,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549999943] [2024-11-13 13:12:41,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549999943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:41,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:41,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:41,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227283035] [2024-11-13 13:12:41,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:41,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:12:41,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:41,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:12:41,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:12:41,718 INFO L87 Difference]: Start difference. First operand has 256 states, 245 states have (on average 1.620408163265306) internal successors, (397), 251 states have internal predecessors, (397), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) 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) [2024-11-13 13:12:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:41,768 INFO L93 Difference]: Finished difference Result 509 states and 803 transitions. [2024-11-13 13:12:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:12:41,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) 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 [2024-11-13 13:12:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:41,778 INFO L225 Difference]: With dead ends: 509 [2024-11-13 13:12:41,778 INFO L226 Difference]: Without dead ends: 214 [2024-11-13 13:12:41,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:12:41,790 INFO L432 NwaCegarLoop]: 356 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, 356 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:41,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:12:41,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-13 13:12:41,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-13 13:12:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.4509803921568627) internal successors, (296), 209 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 302 transitions. [2024-11-13 13:12:41,868 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 302 transitions. Word has length 6 [2024-11-13 13:12:41,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:41,868 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 302 transitions. [2024-11-13 13:12:41,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) 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) [2024-11-13 13:12:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2024-11-13 13:12:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:12:41,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:41,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:12:41,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:12:41,870 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:41,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1363660417, now seen corresponding path program 1 times [2024-11-13 13:12:41,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372750544] [2024-11-13 13:12:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:41,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:41,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372750544] [2024-11-13 13:12:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372750544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:41,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:41,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:12:41,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208298508] [2024-11-13 13:12:41,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:41,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:41,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:41,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:41,993 INFO L87 Difference]: Start difference. First operand 214 states and 302 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-13 13:12:42,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:42,079 INFO L93 Difference]: Finished difference Result 418 states and 594 transitions. [2024-11-13 13:12:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:42,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2024-11-13 13:12:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:42,083 INFO L225 Difference]: With dead ends: 418 [2024-11-13 13:12:42,083 INFO L226 Difference]: Without dead ends: 412 [2024-11-13 13:12:42,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:42,088 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 278 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:42,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 638 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:12:42,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-13 13:12:42,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 215. [2024-11-13 13:12:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 205 states have (on average 1.448780487804878) internal successors, (297), 210 states have internal predecessors, (297), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 303 transitions. [2024-11-13 13:12:42,120 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 303 transitions. Word has length 6 [2024-11-13 13:12:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:42,120 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 303 transitions. [2024-11-13 13:12:42,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-13 13:12:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 303 transitions. [2024-11-13 13:12:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:12:42,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:42,121 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:12:42,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:12:42,123 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:42,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1362998889, now seen corresponding path program 1 times [2024-11-13 13:12:42,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661452576] [2024-11-13 13:12:42,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:42,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:42,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661452576] [2024-11-13 13:12:42,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661452576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:42,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:42,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:12:42,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298960249] [2024-11-13 13:12:42,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:42,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:12:42,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:42,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:12:42,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:12:42,409 INFO L87 Difference]: Start difference. First operand 215 states and 303 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-11-13 13:12:42,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:42,451 INFO L93 Difference]: Finished difference Result 220 states and 309 transitions. [2024-11-13 13:12:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:12:42,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2024-11-13 13:12:42,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:42,458 INFO L225 Difference]: With dead ends: 220 [2024-11-13 13:12:42,458 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 13:12:42,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:12:42,459 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 2 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:42,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 594 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:12:42,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 13:12:42,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 218. [2024-11-13 13:12:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 208 states have (on average 1.4423076923076923) internal successors, (300), 213 states have internal predecessors, (300), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 306 transitions. [2024-11-13 13:12:42,481 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 306 transitions. Word has length 6 [2024-11-13 13:12:42,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:42,481 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 306 transitions. [2024-11-13 13:12:42,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-11-13 13:12:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 306 transitions. [2024-11-13 13:12:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:12:42,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:42,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:42,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:12:42,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:42,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,482 INFO L85 PathProgramCache]: Analyzing trace with hash -696707334, now seen corresponding path program 1 times [2024-11-13 13:12:42,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266969596] [2024-11-13 13:12:42,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:42,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:42,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266969596] [2024-11-13 13:12:42,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266969596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:42,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:42,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:12:42,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837882816] [2024-11-13 13:12:42,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:42,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:12:42,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:42,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:12:42,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:12:42,640 INFO L87 Difference]: Start difference. First operand 218 states and 306 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:42,698 INFO L93 Difference]: Finished difference Result 220 states and 308 transitions. [2024-11-13 13:12:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:12:42,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 13:12:42,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:42,703 INFO L225 Difference]: With dead ends: 220 [2024-11-13 13:12:42,703 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 13:12:42,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:12:42,704 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 0 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:42,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:12:42,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 13:12:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-13 13:12:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 214 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions. [2024-11-13 13:12:42,725 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 7 [2024-11-13 13:12:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:42,725 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 307 transitions. [2024-11-13 13:12:42,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions. [2024-11-13 13:12:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:12:42,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:42,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:42,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:12:42,729 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:42,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2055304832, now seen corresponding path program 1 times [2024-11-13 13:12:42,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697223513] [2024-11-13 13:12:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697223513] [2024-11-13 13:12:43,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697223513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:43,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606717331] [2024-11-13 13:12:43,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:12:43,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:12:43,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:12:43,122 INFO L87 Difference]: Start difference. First operand 219 states and 307 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:43,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:43,247 INFO L93 Difference]: Finished difference Result 434 states and 610 transitions. [2024-11-13 13:12:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:12:43,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2024-11-13 13:12:43,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:43,249 INFO L225 Difference]: With dead ends: 434 [2024-11-13 13:12:43,250 INFO L226 Difference]: Without dead ends: 222 [2024-11-13 13:12:43,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:43,254 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 106 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:43,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 729 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:12:43,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-13 13:12:43,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 219. [2024-11-13 13:12:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 209 states have (on average 1.4066985645933014) internal successors, (294), 214 states have internal predecessors, (294), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 300 transitions. [2024-11-13 13:12:43,274 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 300 transitions. Word has length 80 [2024-11-13 13:12:43,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:43,274 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 300 transitions. [2024-11-13 13:12:43,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 300 transitions. [2024-11-13 13:12:43,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:12:43,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:43,279 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:43,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:12:43,280 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:43,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:43,280 INFO L85 PathProgramCache]: Analyzing trace with hash -532224974, now seen corresponding path program 1 times [2024-11-13 13:12:43,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:43,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904874027] [2024-11-13 13:12:43,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904874027] [2024-11-13 13:12:43,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904874027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:43,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632170891] [2024-11-13 13:12:43,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:12:43,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:12:43,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:12:43,614 INFO L87 Difference]: Start difference. First operand 219 states and 300 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:43,714 INFO L93 Difference]: Finished difference Result 383 states and 518 transitions. [2024-11-13 13:12:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:43,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2024-11-13 13:12:43,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:43,715 INFO L225 Difference]: With dead ends: 383 [2024-11-13 13:12:43,716 INFO L226 Difference]: Without dead ends: 171 [2024-11-13 13:12:43,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:43,717 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 9 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:43,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 578 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:12:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-13 13:12:43,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-13 13:12:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 161 states have (on average 1.329192546583851) internal successors, (214), 166 states have internal predecessors, (214), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 220 transitions. [2024-11-13 13:12:43,726 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 220 transitions. Word has length 80 [2024-11-13 13:12:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:43,727 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 220 transitions. [2024-11-13 13:12:43,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 220 transitions. [2024-11-13 13:12:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:12:43,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:43,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:43,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:12:43,729 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:43,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1408243980, now seen corresponding path program 1 times [2024-11-13 13:12:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:43,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104218465] [2024-11-13 13:12:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104218465] [2024-11-13 13:12:43,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104218465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:12:43,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129957254] [2024-11-13 13:12:43,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:43,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:43,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:43,990 INFO L87 Difference]: Start difference. First operand 171 states and 220 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:44,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:44,062 INFO L93 Difference]: Finished difference Result 414 states and 540 transitions. [2024-11-13 13:12:44,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:44,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-11-13 13:12:44,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:44,066 INFO L225 Difference]: With dead ends: 414 [2024-11-13 13:12:44,066 INFO L226 Difference]: Without dead ends: 250 [2024-11-13 13:12:44,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:44,067 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 54 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:44,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 420 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:12:44,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-13 13:12:44,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2024-11-13 13:12:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 240 states have (on average 1.3333333333333333) internal successors, (320), 245 states have internal predecessors, (320), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:12:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 326 transitions. [2024-11-13 13:12:44,084 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 326 transitions. Word has length 80 [2024-11-13 13:12:44,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:44,085 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 326 transitions. [2024-11-13 13:12:44,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 326 transitions. [2024-11-13 13:12:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 13:12:44,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:44,086 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:44,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:12:44,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:44,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1218270852, now seen corresponding path program 1 times [2024-11-13 13:12:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652240784] [2024-11-13 13:12:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:44,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652240784] [2024-11-13 13:12:44,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652240784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:44,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:44,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:44,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802246817] [2024-11-13 13:12:44,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:44,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:12:44,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:44,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:12:44,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:44,566 INFO L87 Difference]: Start difference. First operand 250 states and 326 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:12:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:44,946 INFO L93 Difference]: Finished difference Result 319 states and 421 transitions. [2024-11-13 13:12:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2024-11-13 13:12:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:44,952 INFO L225 Difference]: With dead ends: 319 [2024-11-13 13:12:44,952 INFO L226 Difference]: Without dead ends: 317 [2024-11-13 13:12:44,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:44,955 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 109 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:44,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 896 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:12:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-13 13:12:44,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 314. [2024-11-13 13:12:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 301 states have (on average 1.3222591362126246) internal successors, (398), 306 states have internal predecessors, (398), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:12:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 410 transitions. [2024-11-13 13:12:44,977 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 410 transitions. Word has length 95 [2024-11-13 13:12:44,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:44,978 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 410 transitions. [2024-11-13 13:12:44,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:12:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 410 transitions. [2024-11-13 13:12:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:12:44,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:44,981 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:44,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:12:44,982 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:44,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:44,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1590065482, now seen corresponding path program 1 times [2024-11-13 13:12:44,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:44,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698418054] [2024-11-13 13:12:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:44,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:45,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:45,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:45,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698418054] [2024-11-13 13:12:45,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698418054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:12:45,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315261825] [2024-11-13 13:12:45,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:45,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:45,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:45,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:12:45,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:12:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:45,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:12:45,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:12:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:46,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:12:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:46,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315261825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:12:46,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:12:46,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-13 13:12:46,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784643264] [2024-11-13 13:12:46,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:12:46,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:12:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:46,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:12:46,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:12:46,257 INFO L87 Difference]: Start difference. First operand 314 states and 410 transitions. Second operand has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:12:46,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:46,782 INFO L93 Difference]: Finished difference Result 477 states and 633 transitions. [2024-11-13 13:12:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:12:46,783 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-13 13:12:46,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:46,786 INFO L225 Difference]: With dead ends: 477 [2024-11-13 13:12:46,786 INFO L226 Difference]: Without dead ends: 470 [2024-11-13 13:12:46,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:12:46,787 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 595 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:46,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1562 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:46,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-13 13:12:46,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 465. [2024-11-13 13:12:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 449 states have (on average 1.3229398663697105) internal successors, (594), 454 states have internal predecessors, (594), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 13:12:46,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 612 transitions. [2024-11-13 13:12:46,814 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 612 transitions. Word has length 100 [2024-11-13 13:12:46,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:46,814 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 612 transitions. [2024-11-13 13:12:46,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:12:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 612 transitions. [2024-11-13 13:12:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:12:46,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:46,816 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:46,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 13:12:47,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:47,017 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:47,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:47,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1589403954, now seen corresponding path program 1 times [2024-11-13 13:12:47,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:47,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385520423] [2024-11-13 13:12:47,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:47,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:47,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:47,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:47,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385520423] [2024-11-13 13:12:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385520423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:12:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303245840] [2024-11-13 13:12:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:47,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:47,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:47,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:12:47,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:12:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:48,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:12:48,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:12:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:48,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:12:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:49,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303245840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:12:49,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:12:49,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-13 13:12:49,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79635516] [2024-11-13 13:12:49,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:12:49,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:12:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:49,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:12:49,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:12:49,065 INFO L87 Difference]: Start difference. First operand 465 states and 612 transitions. Second operand has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:12:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:49,609 INFO L93 Difference]: Finished difference Result 630 states and 842 transitions. [2024-11-13 13:12:49,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:49,610 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2024-11-13 13:12:49,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:49,614 INFO L225 Difference]: With dead ends: 630 [2024-11-13 13:12:49,615 INFO L226 Difference]: Without dead ends: 629 [2024-11-13 13:12:49,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:12:49,618 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 418 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:49,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1811 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:12:49,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-13 13:12:49,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 618. [2024-11-13 13:12:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 599 states have (on average 1.32220367278798) internal successors, (792), 604 states have internal predecessors, (792), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:12:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 816 transitions. [2024-11-13 13:12:49,663 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 816 transitions. Word has length 100 [2024-11-13 13:12:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:49,665 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 816 transitions. [2024-11-13 13:12:49,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:12:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 816 transitions. [2024-11-13 13:12:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:12:49,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:49,667 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:49,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:12:49,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:49,868 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:49,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:49,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2026882385, now seen corresponding path program 1 times [2024-11-13 13:12:49,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:49,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540029774] [2024-11-13 13:12:49,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:49,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:50,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:50,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:50,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:50,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540029774] [2024-11-13 13:12:50,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540029774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:12:50,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924544796] [2024-11-13 13:12:50,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:50,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:50,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:50,707 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:12:50,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:12:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:51,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:12:51,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:12:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:51,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:12:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:51,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924544796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:12:51,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:12:51,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-13 13:12:51,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672482279] [2024-11-13 13:12:51,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:12:51,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:12:51,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:51,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:12:51,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:12:51,577 INFO L87 Difference]: Start difference. First operand 618 states and 816 transitions. Second operand has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:12:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:52,169 INFO L93 Difference]: Finished difference Result 630 states and 839 transitions. [2024-11-13 13:12:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:12:52,170 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101 [2024-11-13 13:12:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:52,173 INFO L225 Difference]: With dead ends: 630 [2024-11-13 13:12:52,173 INFO L226 Difference]: Without dead ends: 629 [2024-11-13 13:12:52,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:12:52,175 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 483 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:52,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 2768 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-13 13:12:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 619. [2024-11-13 13:12:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 600 states have (on average 1.3183333333333334) internal successors, (791), 605 states have internal predecessors, (791), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:12:52,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 815 transitions. [2024-11-13 13:12:52,209 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 815 transitions. Word has length 101 [2024-11-13 13:12:52,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:52,210 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 815 transitions. [2024-11-13 13:12:52,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:12:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 815 transitions. [2024-11-13 13:12:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 13:12:52,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:52,213 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:52,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:12:52,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:52,414 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:52,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1070488963, now seen corresponding path program 1 times [2024-11-13 13:12:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:52,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256292726] [2024-11-13 13:12:52,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:52,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:53,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:53,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:53,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256292726] [2024-11-13 13:12:53,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256292726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:12:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502947294] [2024-11-13 13:12:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:53,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:53,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:53,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:12:53,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:12:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:53,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:12:53,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:12:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:54,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:12:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502947294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:54,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:12:54,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-13 13:12:54,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389208274] [2024-11-13 13:12:54,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:54,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:12:54,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:12:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:54,109 INFO L87 Difference]: Start difference. First operand 619 states and 815 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:12:54,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:54,194 INFO L93 Difference]: Finished difference Result 619 states and 815 transitions. [2024-11-13 13:12:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:12:54,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 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 174 [2024-11-13 13:12:54,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:54,198 INFO L225 Difference]: With dead ends: 619 [2024-11-13 13:12:54,198 INFO L226 Difference]: Without dead ends: 618 [2024-11-13 13:12:54,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:54,201 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 221 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:54,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1011 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:12:54,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-13 13:12:54,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2024-11-13 13:12:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 600 states have (on average 1.3133333333333332) internal successors, (788), 604 states have internal predecessors, (788), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:12:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 812 transitions. [2024-11-13 13:12:54,232 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 812 transitions. Word has length 174 [2024-11-13 13:12:54,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:54,233 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 812 transitions. [2024-11-13 13:12:54,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:12:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 812 transitions. [2024-11-13 13:12:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-13 13:12:54,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:54,237 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:54,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:12:54,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:54,440 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:54,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:54,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1473094187, now seen corresponding path program 1 times [2024-11-13 13:12:54,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:54,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385010514] [2024-11-13 13:12:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:54,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:55,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:55,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-13 13:12:55,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:55,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385010514] [2024-11-13 13:12:55,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385010514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:55,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:55,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:55,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037550411] [2024-11-13 13:12:55,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:55,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:12:55,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:55,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:12:55,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:55,062 INFO L87 Difference]: Start difference. First operand 618 states and 812 transitions. Second operand has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:12:55,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:55,348 INFO L93 Difference]: Finished difference Result 621 states and 827 transitions. [2024-11-13 13:12:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:55,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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 254 [2024-11-13 13:12:55,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:55,353 INFO L225 Difference]: With dead ends: 621 [2024-11-13 13:12:55,353 INFO L226 Difference]: Without dead ends: 620 [2024-11-13 13:12:55,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:55,354 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 118 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:55,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 587 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:12:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-13 13:12:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 617. [2024-11-13 13:12:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 600 states have (on average 1.31) internal successors, (786), 603 states have internal predecessors, (786), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:12:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 810 transitions. [2024-11-13 13:12:55,386 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 810 transitions. Word has length 254 [2024-11-13 13:12:55,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:55,387 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 810 transitions. [2024-11-13 13:12:55,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:12:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 810 transitions. [2024-11-13 13:12:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-13 13:12:55,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:55,392 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:55,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:12:55,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:55,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:55,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1766912406, now seen corresponding path program 1 times [2024-11-13 13:12:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:55,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763706392] [2024-11-13 13:12:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:55,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:12:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:56,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:12:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:56,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:56,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763706392] [2024-11-13 13:12:56,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763706392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:12:56,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667804965] [2024-11-13 13:12:56,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:56,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:56,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:56,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:12:56,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:12:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:57,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:12:57,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:12:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:57,678 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:12:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:12:58,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667804965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:12:58,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:12:58,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-13 13:12:58,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439459564] [2024-11-13 13:12:58,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:12:58,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 13:12:58,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:58,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 13:12:58,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:12:58,398 INFO L87 Difference]: Start difference. First operand 617 states and 810 transitions. Second operand has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:12:58,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:58,889 INFO L93 Difference]: Finished difference Result 1076 states and 1437 transitions. [2024-11-13 13:12:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:12:58,890 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 258 [2024-11-13 13:12:58,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:58,894 INFO L225 Difference]: With dead ends: 1076 [2024-11-13 13:12:58,895 INFO L226 Difference]: Without dead ends: 1070 [2024-11-13 13:12:58,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:12:58,896 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1245 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:58,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 2920 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:12:58,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-11-13 13:12:58,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1063. [2024-11-13 13:12:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1037 states have (on average 1.3124397299903567) internal successors, (1361), 1040 states have internal predecessors, (1361), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-13 13:12:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1403 transitions. [2024-11-13 13:12:58,934 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1403 transitions. Word has length 258 [2024-11-13 13:12:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:58,934 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1403 transitions. [2024-11-13 13:12:58,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:12:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1403 transitions. [2024-11-13 13:12:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-13 13:12:58,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:58,940 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:58,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:12:59,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:12:59,141 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:12:59,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash -875221063, now seen corresponding path program 1 times [2024-11-13 13:12:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:59,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80542819] [2024-11-13 13:12:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:13:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:13:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:03,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:03,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80542819] [2024-11-13 13:13:03,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80542819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:03,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762395393] [2024-11-13 13:13:03,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:03,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:03,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:03,333 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:03,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:13:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:04,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 13:13:04,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:05,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:05,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762395393] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:05,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:05,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-13 13:13:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220005718] [2024-11-13 13:13:05,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:05,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 13:13:05,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 13:13:05,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:13:05,996 INFO L87 Difference]: Start difference. First operand 1063 states and 1403 transitions. Second operand has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:13:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:06,857 INFO L93 Difference]: Finished difference Result 1533 states and 2063 transitions. [2024-11-13 13:13:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 13:13:06,858 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 337 [2024-11-13 13:13:06,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:06,865 INFO L225 Difference]: With dead ends: 1533 [2024-11-13 13:13:06,866 INFO L226 Difference]: Without dead ends: 1532 [2024-11-13 13:13:06,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:13:06,868 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 1767 mSDsluCounter, 3803 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 4051 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:06,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 4051 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:06,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-13 13:13:06,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1516. [2024-11-13 13:13:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 1481 states have (on average 1.312626603646185) internal successors, (1944), 1484 states have internal predecessors, (1944), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:13:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2004 transitions. [2024-11-13 13:13:06,933 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2004 transitions. Word has length 337 [2024-11-13 13:13:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:06,934 INFO L471 AbstractCegarLoop]: Abstraction has 1516 states and 2004 transitions. [2024-11-13 13:13:06,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:13:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2004 transitions. [2024-11-13 13:13:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-13 13:13:06,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:06,941 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:06,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:13:07,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:07,148 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:13:07,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:07,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1362049110, now seen corresponding path program 1 times [2024-11-13 13:13:07,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:07,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79167870] [2024-11-13 13:13:07,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:07,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:10,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:13:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:13:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:10,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79167870] [2024-11-13 13:13:10,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79167870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035446407] [2024-11-13 13:13:10,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:10,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:10,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:10,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:10,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:13:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:11,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 13:13:11,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:12,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:13,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035446407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:13,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:13,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-13 13:13:13,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232302914] [2024-11-13 13:13:13,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:13,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 13:13:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:13,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 13:13:13,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:13:13,120 INFO L87 Difference]: Start difference. First operand 1516 states and 2004 transitions. Second operand has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:13:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:14,081 INFO L93 Difference]: Finished difference Result 1533 states and 2057 transitions. [2024-11-13 13:13:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 13:13:14,082 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 338 [2024-11-13 13:13:14,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:14,092 INFO L225 Difference]: With dead ends: 1533 [2024-11-13 13:13:14,092 INFO L226 Difference]: Without dead ends: 1532 [2024-11-13 13:13:14,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:13:14,094 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 2110 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:14,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 4047 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:13:14,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-11-13 13:13:14,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1517. [2024-11-13 13:13:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1482 states have (on average 1.3090418353576248) internal successors, (1940), 1485 states have internal predecessors, (1940), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:13:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2000 transitions. [2024-11-13 13:13:14,156 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2000 transitions. Word has length 338 [2024-11-13 13:13:14,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:14,157 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 2000 transitions. [2024-11-13 13:13:14,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:13:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2000 transitions. [2024-11-13 13:13:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-13 13:13:14,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:14,171 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:14,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:13:14,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:14,372 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:13:14,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:14,373 INFO L85 PathProgramCache]: Analyzing trace with hash -512814934, now seen corresponding path program 2 times [2024-11-13 13:13:14,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:14,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813922073] [2024-11-13 13:13:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:14,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:16,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:13:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:16,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:13:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:16,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813922073] [2024-11-13 13:13:16,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813922073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826498037] [2024-11-13 13:13:16,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:13:16,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:16,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:16,984 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:16,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:13:18,223 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:13:18,223 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:13:18,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:13:18,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:19,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:19,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826498037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:19,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:19,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-13 13:13:19,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992150772] [2024-11-13 13:13:19,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:19,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 13:13:19,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:19,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 13:13:19,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-13 13:13:19,923 INFO L87 Difference]: Start difference. First operand 1517 states and 2000 transitions. Second operand has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:13:20,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:20,504 INFO L93 Difference]: Finished difference Result 1526 states and 2039 transitions. [2024-11-13 13:13:20,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 13:13:20,507 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 574 [2024-11-13 13:13:20,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:20,515 INFO L225 Difference]: With dead ends: 1526 [2024-11-13 13:13:20,515 INFO L226 Difference]: Without dead ends: 1520 [2024-11-13 13:13:20,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1134 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-13 13:13:20,518 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 1950 mSDsluCounter, 3324 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:20,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 3574 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:13:20,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2024-11-13 13:13:20,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1517. [2024-11-13 13:13:20,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1482 states have (on average 1.3070175438596492) internal successors, (1937), 1485 states have internal predecessors, (1937), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:13:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1997 transitions. [2024-11-13 13:13:20,577 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1997 transitions. Word has length 574 [2024-11-13 13:13:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:20,578 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 1997 transitions. [2024-11-13 13:13:20,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:13:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1997 transitions. [2024-11-13 13:13:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-13 13:13:20,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:20,604 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:20,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 13:13:20,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:20,806 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:13:20,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:20,806 INFO L85 PathProgramCache]: Analyzing trace with hash -415880079, now seen corresponding path program 3 times [2024-11-13 13:13:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:20,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354661893] [2024-11-13 13:13:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:20,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:16:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:16:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 514 proven. 3 refuted. 0 times theorem prover too weak. 3034 trivial. 0 not checked. [2024-11-13 13:16:20,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:20,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354661893] [2024-11-13 13:16:20,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354661893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:16:20,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842242928] [2024-11-13 13:16:20,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:16:20,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:16:20,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:16:20,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:16:20,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:16:22,219 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 13:16:22,219 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:16:22,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 13:16:22,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:16:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 2904 trivial. 0 not checked. [2024-11-13 13:16:22,382 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:16:22,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842242928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:22,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:16:22,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-13 13:16:22,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670277086] [2024-11-13 13:16:22,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:22,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:16:22,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:22,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:16:22,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:16:22,385 INFO L87 Difference]: Start difference. First operand 1517 states and 1997 transitions. Second operand has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:22,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:22,619 INFO L93 Difference]: Finished difference Result 3105 states and 4122 transitions. [2024-11-13 13:16:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:16:22,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 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 811 [2024-11-13 13:16:22,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:22,626 INFO L225 Difference]: With dead ends: 3105 [2024-11-13 13:16:22,627 INFO L226 Difference]: Without dead ends: 1627 [2024-11-13 13:16:22,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:16:22,629 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 26 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:22,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 666 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:16:22,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2024-11-13 13:16:22,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1587. [2024-11-13 13:16:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1552 states have (on average 1.2996134020618557) internal successors, (2017), 1555 states have internal predecessors, (2017), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:16:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2077 transitions. [2024-11-13 13:16:22,692 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2077 transitions. Word has length 811 [2024-11-13 13:16:22,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:22,693 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2077 transitions. [2024-11-13 13:16:22,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2077 transitions. [2024-11-13 13:16:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2024-11-13 13:16:22,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:22,703 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:16:22,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 13:16:22,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:16:22,908 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:16:22,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:22,908 INFO L85 PathProgramCache]: Analyzing trace with hash -648270173, now seen corresponding path program 1 times [2024-11-13 13:16:22,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:22,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490626641] [2024-11-13 13:16:22,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:22,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:26,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:16:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:26,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 13:16:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 3271 trivial. 0 not checked. [2024-11-13 13:16:26,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:26,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490626641] [2024-11-13 13:16:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490626641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:26,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:26,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:16:26,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075501658] [2024-11-13 13:16:26,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:26,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:16:26,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:26,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:16:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:16:26,093 INFO L87 Difference]: Start difference. First operand 1587 states and 2077 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 6 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:26,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:26,869 INFO L93 Difference]: Finished difference Result 3110 states and 4114 transitions. [2024-11-13 13:16:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:16:26,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 6 states have internal predecessors, (133), 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 821 [2024-11-13 13:16:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:26,875 INFO L225 Difference]: With dead ends: 3110 [2024-11-13 13:16:26,875 INFO L226 Difference]: Without dead ends: 1570 [2024-11-13 13:16:26,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:16:26,878 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 12 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:26,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 846 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:16:26,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-13 13:16:26,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1557. [2024-11-13 13:16:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1522 states have (on average 1.2923784494086727) internal successors, (1967), 1525 states have internal predecessors, (1967), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:16:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2027 transitions. [2024-11-13 13:16:26,930 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2027 transitions. Word has length 821 [2024-11-13 13:16:26,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:26,930 INFO L471 AbstractCegarLoop]: Abstraction has 1557 states and 2027 transitions. [2024-11-13 13:16:26,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 6 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2027 transitions. [2024-11-13 13:16:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2024-11-13 13:16:26,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:26,939 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:16:26,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:16:26,939 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:16:26,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:26,940 INFO L85 PathProgramCache]: Analyzing trace with hash -502833369, now seen corresponding path program 1 times [2024-11-13 13:16:26,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:26,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478082913] [2024-11-13 13:16:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:16:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:29,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 13:16:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3641 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 3298 trivial. 0 not checked. [2024-11-13 13:16:29,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:29,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478082913] [2024-11-13 13:16:29,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478082913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:29,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:29,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:16:29,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907559594] [2024-11-13 13:16:29,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:29,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:16:29,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:29,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:16:29,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:16:29,326 INFO L87 Difference]: Start difference. First operand 1557 states and 2027 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:29,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:29,859 INFO L93 Difference]: Finished difference Result 3101 states and 4087 transitions. [2024-11-13 13:16:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:16:29,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 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 831 [2024-11-13 13:16:29,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:29,866 INFO L225 Difference]: With dead ends: 3101 [2024-11-13 13:16:29,866 INFO L226 Difference]: Without dead ends: 1590 [2024-11-13 13:16:29,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:16:29,868 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 7 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:29,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 759 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:16:29,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2024-11-13 13:16:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1587. [2024-11-13 13:16:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1552 states have (on average 1.2867268041237114) internal successors, (1997), 1555 states have internal predecessors, (1997), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:16:29,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2057 transitions. [2024-11-13 13:16:29,930 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2057 transitions. Word has length 831 [2024-11-13 13:16:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:29,931 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2057 transitions. [2024-11-13 13:16:29,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2057 transitions. [2024-11-13 13:16:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2024-11-13 13:16:29,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:29,940 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:16:29,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:16:29,941 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:16:29,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:29,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1610118453, now seen corresponding path program 1 times [2024-11-13 13:16:29,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:29,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983680522] [2024-11-13 13:16:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:29,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:16:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:16:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 3316 trivial. 0 not checked. [2024-11-13 13:16:32,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:32,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983680522] [2024-11-13 13:16:32,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983680522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:32,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:32,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:16:32,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665541126] [2024-11-13 13:16:32,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:32,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:16:32,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:32,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:16:32,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:16:32,212 INFO L87 Difference]: Start difference. First operand 1587 states and 2057 transitions. Second operand has 8 states, 8 states have (on average 17.5) internal successors, (140), 7 states have internal predecessors, (140), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:33,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:33,035 INFO L93 Difference]: Finished difference Result 3171 states and 4163 transitions. [2024-11-13 13:16:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:16:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 7 states have internal predecessors, (140), 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 841 [2024-11-13 13:16:33,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:33,043 INFO L225 Difference]: With dead ends: 3171 [2024-11-13 13:16:33,043 INFO L226 Difference]: Without dead ends: 1640 [2024-11-13 13:16:33,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:16:33,046 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 11 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:33,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 974 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:16:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-13 13:16:33,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1627. [2024-11-13 13:16:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1592 states have (on average 1.2858040201005025) internal successors, (2047), 1595 states have internal predecessors, (2047), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:16:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2107 transitions. [2024-11-13 13:16:33,114 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2107 transitions. Word has length 841 [2024-11-13 13:16:33,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:33,114 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2107 transitions. [2024-11-13 13:16:33,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 7 states have internal predecessors, (140), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:16:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2107 transitions. [2024-11-13 13:16:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2024-11-13 13:16:33,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:33,125 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:16:33,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:16:33,125 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:16:33,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:33,126 INFO L85 PathProgramCache]: Analyzing trace with hash 108526187, now seen corresponding path program 1 times [2024-11-13 13:16:33,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:33,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070413012] [2024-11-13 13:16:33,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:33,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:20:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:57,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:20:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 541 proven. 3 refuted. 0 times theorem prover too weak. 3142 trivial. 0 not checked. [2024-11-13 13:20:57,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:57,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070413012] [2024-11-13 13:20:57,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070413012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:20:57,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283991996] [2024-11-13 13:20:57,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:57,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:20:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:20:57,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:20:57,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:22:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:01,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 3945 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:22:01,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:22:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1934 proven. 0 refuted. 0 times theorem prover too weak. 1752 trivial. 0 not checked. [2024-11-13 13:22:28,812 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:22:28,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283991996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:28,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:22:28,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-13 13:22:28,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069646927] [2024-11-13 13:22:28,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:28,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:22:28,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:22:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:22:28,815 INFO L87 Difference]: Start difference. First operand 1627 states and 2107 transitions. Second operand has 7 states, 7 states have (on average 30.714285714285715) internal successors, (215), 7 states have internal predecessors, (215), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:22:31,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:32,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:22:32,002 INFO L93 Difference]: Finished difference Result 3244 states and 4225 transitions. [2024-11-13 13:22:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:22:32,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.714285714285715) internal successors, (215), 7 states have internal predecessors, (215), 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 841 [2024-11-13 13:22:32,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:22:32,017 INFO L225 Difference]: With dead ends: 3244 [2024-11-13 13:22:32,017 INFO L226 Difference]: Without dead ends: 1677 [2024-11-13 13:22:32,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 847 GetRequests, 839 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:22:32,022 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 8 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:22:32,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 843 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 13:22:32,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2024-11-13 13:22:32,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1627. [2024-11-13 13:22:32,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1592 states have (on average 1.2858040201005025) internal successors, (2047), 1595 states have internal predecessors, (2047), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 13:22:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2107 transitions. [2024-11-13 13:22:32,094 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2107 transitions. Word has length 841 [2024-11-13 13:22:32,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:22:32,094 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2107 transitions. [2024-11-13 13:22:32,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.714285714285715) internal successors, (215), 7 states have internal predecessors, (215), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:22:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2107 transitions. [2024-11-13 13:22:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2024-11-13 13:22:32,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:32,111 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:32,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 13:22:32,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c88240a-e452-4885-9157-b1210ebfd34c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:32,312 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 13:22:32,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:32,313 INFO L85 PathProgramCache]: Analyzing trace with hash 789964683, now seen corresponding path program 1 times [2024-11-13 13:22:32,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:32,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550697650] [2024-11-13 13:22:32,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:32,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms