./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU --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 c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:12,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:12,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:06:12,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:12,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:12,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:12,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:12,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:12,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:12,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:12,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:12,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:12,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:12,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:12,196 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:12,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:12,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:12,197 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:12,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:12,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:12,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:12,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:12,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:12,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:12,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:12,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:06:12,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:06:12,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:12,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:12,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:12,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:12,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:12,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:12,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:12,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:12,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:12,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:12,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:12,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:12,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:12,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:12,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:12,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:12,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:12,226 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2024-10-31 22:06:12,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:12,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:12,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:12,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:12,600 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:12,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c Unable to find full path for "g++" [2024-10-31 22:06:14,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:14,859 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:14,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2024-10-31 22:06:14,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/data/1125f4f67/537cc136aa8d49ad8d8ebc0498251b68/FLAGf48ea7e1b [2024-10-31 22:06:15,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/data/1125f4f67/537cc136aa8d49ad8d8ebc0498251b68 [2024-10-31 22:06:15,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:15,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:15,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:15,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:15,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:15,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f979bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15, skipping insertion in model container [2024-10-31 22:06:15,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:15,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:15,741 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:15,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:15,830 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:15,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15 WrapperNode [2024-10-31 22:06:15,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:15,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:15,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:15,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:15,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,892 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2024-10-31 22:06:15,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:15,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:15,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:15,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:15,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,934 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:06:15,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:15,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:15,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:15,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:15,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (1/1) ... [2024-10-31 22:06:15,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:15,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:16,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:16,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:06:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-10-31 22:06:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-10-31 22:06:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:06:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:06:16,151 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:16,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:16,976 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:16,976 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:17,007 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:17,009 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:06:17,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:17 BoogieIcfgContainer [2024-10-31 22:06:17,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:17,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:17,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:17,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:17,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:15" (1/3) ... [2024-10-31 22:06:17,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da67ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:17, skipping insertion in model container [2024-10-31 22:06:17,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:15" (2/3) ... [2024-10-31 22:06:17,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da67ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:17, skipping insertion in model container [2024-10-31 22:06:17,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:17" (3/3) ... [2024-10-31 22:06:17,035 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2024-10-31 22:06:17,061 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:17,062 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-31 22:06:17,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:17,185 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;@5f020503, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:17,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-31 22:06:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 100 states have (on average 1.64) internal successors, (164), 118 states have internal predecessors, (164), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:06:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:06:17,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:17,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:17,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:17,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:17,234 INFO L85 PathProgramCache]: Analyzing trace with hash -609183691, now seen corresponding path program 1 times [2024-10-31 22:06:17,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:17,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698508788] [2024-10-31 22:06:17,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:17,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:17,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:17,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698508788] [2024-10-31 22:06:17,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698508788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:17,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:17,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:06:17,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592180664] [2024-10-31 22:06:17,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:17,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:06:17,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:17,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:06:17,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:06:17,578 INFO L87 Difference]: Start difference. First operand has 127 states, 100 states have (on average 1.64) internal successors, (164), 118 states have internal predecessors, (164), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:17,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:17,765 INFO L93 Difference]: Finished difference Result 299 states and 446 transitions. [2024-10-31 22:06:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:06:17,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 22:06:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:17,788 INFO L225 Difference]: With dead ends: 299 [2024-10-31 22:06:17,789 INFO L226 Difference]: Without dead ends: 143 [2024-10-31 22:06:17,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:17,797 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 85 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:17,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 461 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-31 22:06:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2024-10-31 22:06:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 113 states have (on average 1.4601769911504425) internal successors, (165), 124 states have internal predecessors, (165), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 175 transitions. [2024-10-31 22:06:17,865 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 175 transitions. Word has length 9 [2024-10-31 22:06:17,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:17,866 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 175 transitions. [2024-10-31 22:06:17,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:17,867 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 175 transitions. [2024-10-31 22:06:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:06:17,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:17,868 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:17,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:06:17,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:17,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1331680021, now seen corresponding path program 1 times [2024-10-31 22:06:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:17,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278994813] [2024-10-31 22:06:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:17,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:17,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278994813] [2024-10-31 22:06:17,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278994813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:17,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:17,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:06:17,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596509578] [2024-10-31 22:06:17,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:17,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:17,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:17,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:17,952 INFO L87 Difference]: Start difference. First operand 133 states and 175 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:18,041 INFO L93 Difference]: Finished difference Result 249 states and 326 transitions. [2024-10-31 22:06:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:18,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-31 22:06:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:18,045 INFO L225 Difference]: With dead ends: 249 [2024-10-31 22:06:18,048 INFO L226 Difference]: Without dead ends: 147 [2024-10-31 22:06:18,049 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 [2024-10-31 22:06:18,050 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 12 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:18,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 201 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:18,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-31 22:06:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2024-10-31 22:06:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 117 states have (on average 1.4444444444444444) internal successors, (169), 128 states have internal predecessors, (169), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2024-10-31 22:06:18,083 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 179 transitions. Word has length 14 [2024-10-31 22:06:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:18,083 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 179 transitions. [2024-10-31 22:06:18,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2024-10-31 22:06:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:06:18,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:18,088 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:18,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:06:18,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:18,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:18,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1331791367, now seen corresponding path program 1 times [2024-10-31 22:06:18,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:18,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089692030] [2024-10-31 22:06:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:18,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:06:18,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:18,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089692030] [2024-10-31 22:06:18,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089692030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:18,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:18,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:18,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912646705] [2024-10-31 22:06:18,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:18,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:18,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:18,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:18,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:18,193 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:18,286 INFO L93 Difference]: Finished difference Result 137 states and 179 transitions. [2024-10-31 22:06:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:18,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-31 22:06:18,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:18,288 INFO L225 Difference]: With dead ends: 137 [2024-10-31 22:06:18,289 INFO L226 Difference]: Without dead ends: 136 [2024-10-31 22:06:18,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:18,291 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:18,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 200 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:18,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-31 22:06:18,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-31 22:06:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 127 states have internal predecessors, (167), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 177 transitions. [2024-10-31 22:06:18,304 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 177 transitions. Word has length 14 [2024-10-31 22:06:18,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:18,304 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 177 transitions. [2024-10-31 22:06:18,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 177 transitions. [2024-10-31 22:06:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 22:06:18,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:18,306 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:18,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:06:18,321 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:18,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash 48868707, now seen corresponding path program 1 times [2024-10-31 22:06:18,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:18,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185683494] [2024-10-31 22:06:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:18,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:18,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185683494] [2024-10-31 22:06:18,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185683494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:18,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112591641] [2024-10-31 22:06:18,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:18,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:18,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:18,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:18,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:06:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:18,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:06:18,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:18,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:18,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112591641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:18,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:18,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-31 22:06:18,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102122474] [2024-10-31 22:06:18,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:18,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:06:18,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:18,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:06:18,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:18,679 INFO L87 Difference]: Start difference. First operand 136 states and 177 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:18,834 INFO L93 Difference]: Finished difference Result 169 states and 227 transitions. [2024-10-31 22:06:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:06:18,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-31 22:06:18,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:18,837 INFO L225 Difference]: With dead ends: 169 [2024-10-31 22:06:18,838 INFO L226 Difference]: Without dead ends: 167 [2024-10-31 22:06:18,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:18,840 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 28 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:18,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 213 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-10-31 22:06:18,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 143. [2024-10-31 22:06:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.403225806451613) internal successors, (174), 134 states have internal predecessors, (174), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 184 transitions. [2024-10-31 22:06:18,871 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 184 transitions. Word has length 15 [2024-10-31 22:06:18,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:18,871 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 184 transitions. [2024-10-31 22:06:18,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 184 transitions. [2024-10-31 22:06:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 22:06:18,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:18,878 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:18,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:06:19,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:19,082 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:19,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:19,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1664140640, now seen corresponding path program 1 times [2024-10-31 22:06:19,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:19,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760699334] [2024-10-31 22:06:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:19,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:19,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:19,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760699334] [2024-10-31 22:06:19,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760699334] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:19,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877946854] [2024-10-31 22:06:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:19,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:19,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:19,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:19,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:06:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:06:19,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:19,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:19,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877946854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:19,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:19,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:06:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368314663] [2024-10-31 22:06:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:19,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:19,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:19,364 INFO L87 Difference]: Start difference. First operand 143 states and 184 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:19,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:19,419 INFO L93 Difference]: Finished difference Result 149 states and 192 transitions. [2024-10-31 22:06:19,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:19,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-31 22:06:19,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:19,422 INFO L225 Difference]: With dead ends: 149 [2024-10-31 22:06:19,422 INFO L226 Difference]: Without dead ends: 148 [2024-10-31 22:06:19,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:19,425 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 14 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:19,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 197 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-31 22:06:19,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2024-10-31 22:06:19,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 126 states have (on average 1.3968253968253967) internal successors, (176), 136 states have internal predecessors, (176), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 186 transitions. [2024-10-31 22:06:19,437 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 186 transitions. Word has length 15 [2024-10-31 22:06:19,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:19,438 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 186 transitions. [2024-10-31 22:06:19,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 186 transitions. [2024-10-31 22:06:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:06:19,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:19,439 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:19,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:06:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:19,640 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:19,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:19,641 INFO L85 PathProgramCache]: Analyzing trace with hash 840361091, now seen corresponding path program 1 times [2024-10-31 22:06:19,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528786538] [2024-10-31 22:06:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:19,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:19,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:19,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528786538] [2024-10-31 22:06:19,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528786538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:19,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:19,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:19,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882468004] [2024-10-31 22:06:19,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:19,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:19,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:19,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:19,729 INFO L87 Difference]: Start difference. First operand 145 states and 186 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:06:19,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:19,924 INFO L93 Difference]: Finished difference Result 212 states and 274 transitions. [2024-10-31 22:06:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:19,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-31 22:06:19,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:19,926 INFO L225 Difference]: With dead ends: 212 [2024-10-31 22:06:19,927 INFO L226 Difference]: Without dead ends: 210 [2024-10-31 22:06:19,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:19,928 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 129 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:19,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 319 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:19,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-10-31 22:06:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 178. [2024-10-31 22:06:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 158 states have (on average 1.4113924050632911) internal successors, (223), 168 states have internal predecessors, (223), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 233 transitions. [2024-10-31 22:06:19,955 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 233 transitions. Word has length 17 [2024-10-31 22:06:19,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:19,955 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 233 transitions. [2024-10-31 22:06:19,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:06:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 233 transitions. [2024-10-31 22:06:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:06:19,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:19,957 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:19,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:06:19,959 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:19,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:19,959 INFO L85 PathProgramCache]: Analyzing trace with hash 811733735, now seen corresponding path program 1 times [2024-10-31 22:06:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:19,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002941526] [2024-10-31 22:06:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:19,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:20,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:20,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002941526] [2024-10-31 22:06:20,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002941526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:20,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:20,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:20,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158184795] [2024-10-31 22:06:20,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:20,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:20,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:20,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:20,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:20,056 INFO L87 Difference]: Start difference. First operand 178 states and 233 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:06:20,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:20,170 INFO L93 Difference]: Finished difference Result 204 states and 265 transitions. [2024-10-31 22:06:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:20,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-31 22:06:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:20,173 INFO L225 Difference]: With dead ends: 204 [2024-10-31 22:06:20,173 INFO L226 Difference]: Without dead ends: 201 [2024-10-31 22:06:20,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:20,174 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 131 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:20,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 316 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:20,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-10-31 22:06:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2024-10-31 22:06:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 162 states have (on average 1.382716049382716) internal successors, (224), 171 states have internal predecessors, (224), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 234 transitions. [2024-10-31 22:06:20,195 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 234 transitions. Word has length 17 [2024-10-31 22:06:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:20,196 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 234 transitions. [2024-10-31 22:06:20,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:06:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2024-10-31 22:06:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:06:20,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:20,199 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:20,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:06:20,200 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:20,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:20,201 INFO L85 PathProgramCache]: Analyzing trace with hash -279647025, now seen corresponding path program 1 times [2024-10-31 22:06:20,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:20,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58168137] [2024-10-31 22:06:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:20,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:20,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58168137] [2024-10-31 22:06:20,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58168137] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379925122] [2024-10-31 22:06:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:20,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:20,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:20,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:06:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:06:20,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:20,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:20,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379925122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:20,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:20,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-31 22:06:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028524756] [2024-10-31 22:06:20,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:20,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:06:20,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:20,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:06:20,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:20,414 INFO L87 Difference]: Start difference. First operand 181 states and 234 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:20,503 INFO L93 Difference]: Finished difference Result 197 states and 258 transitions. [2024-10-31 22:06:20,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:06:20,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-31 22:06:20,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:20,507 INFO L225 Difference]: With dead ends: 197 [2024-10-31 22:06:20,507 INFO L226 Difference]: Without dead ends: 196 [2024-10-31 22:06:20,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:20,512 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 8 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:20,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 304 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:20,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-31 22:06:20,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 176. [2024-10-31 22:06:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 157 states have (on average 1.375796178343949) internal successors, (216), 166 states have internal predecessors, (216), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 226 transitions. [2024-10-31 22:06:20,529 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 226 transitions. Word has length 17 [2024-10-31 22:06:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:20,529 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 226 transitions. [2024-10-31 22:06:20,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:06:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 226 transitions. [2024-10-31 22:06:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-31 22:06:20,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:20,532 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:20,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:20,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-31 22:06:20,743 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:20,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash 12818654, now seen corresponding path program 1 times [2024-10-31 22:06:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963775616] [2024-10-31 22:06:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 22:06:20,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:20,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963775616] [2024-10-31 22:06:20,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963775616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:20,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:20,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:20,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46507107] [2024-10-31 22:06:20,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:20,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:20,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:20,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:20,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:20,908 INFO L87 Difference]: Start difference. First operand 176 states and 226 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:06:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:21,127 INFO L93 Difference]: Finished difference Result 194 states and 250 transitions. [2024-10-31 22:06:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:21,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-31 22:06:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:21,143 INFO L225 Difference]: With dead ends: 194 [2024-10-31 22:06:21,143 INFO L226 Difference]: Without dead ends: 192 [2024-10-31 22:06:21,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:21,144 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 128 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:21,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 311 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:21,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-31 22:06:21,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 167. [2024-10-31 22:06:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 150 states have (on average 1.3666666666666667) internal successors, (205), 157 states have internal predecessors, (205), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 215 transitions. [2024-10-31 22:06:21,173 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 215 transitions. Word has length 24 [2024-10-31 22:06:21,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:21,173 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 215 transitions. [2024-10-31 22:06:21,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:06:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2024-10-31 22:06:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-31 22:06:21,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:21,174 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:21,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:06:21,174 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:21,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash -15808702, now seen corresponding path program 1 times [2024-10-31 22:06:21,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:21,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900422257] [2024-10-31 22:06:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:21,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 22:06:21,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:21,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900422257] [2024-10-31 22:06:21,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900422257] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:21,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:21,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:06:21,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58617288] [2024-10-31 22:06:21,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:21,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:21,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:21,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:21,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:06:21,306 INFO L87 Difference]: Start difference. First operand 167 states and 215 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:06:21,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:21,413 INFO L93 Difference]: Finished difference Result 185 states and 239 transitions. [2024-10-31 22:06:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:21,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-31 22:06:21,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:21,415 INFO L225 Difference]: With dead ends: 185 [2024-10-31 22:06:21,416 INFO L226 Difference]: Without dead ends: 183 [2024-10-31 22:06:21,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:21,417 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 129 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:21,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 309 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:21,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-31 22:06:21,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 156. [2024-10-31 22:06:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 141 states have (on average 1.3617021276595744) internal successors, (192), 146 states have internal predecessors, (192), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 202 transitions. [2024-10-31 22:06:21,432 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 202 transitions. Word has length 24 [2024-10-31 22:06:21,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:21,434 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 202 transitions. [2024-10-31 22:06:21,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:06:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 202 transitions. [2024-10-31 22:06:21,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-31 22:06:21,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:21,436 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:21,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:06:21,437 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:21,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:21,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1157296570, now seen corresponding path program 1 times [2024-10-31 22:06:21,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:21,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101059123] [2024-10-31 22:06:21,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:06:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:21,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:21,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101059123] [2024-10-31 22:06:21,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101059123] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473964774] [2024-10-31 22:06:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:21,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:21,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:21,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:21,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:06:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:21,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:06:21,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 22:06:21,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:21,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473964774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:21,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:21,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-31 22:06:21,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914985598] [2024-10-31 22:06:21,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:21,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:21,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:21,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:06:21,908 INFO L87 Difference]: Start difference. First operand 156 states and 202 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 22:06:21,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:21,965 INFO L93 Difference]: Finished difference Result 156 states and 202 transitions. [2024-10-31 22:06:21,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:06:21,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-10-31 22:06:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:21,967 INFO L225 Difference]: With dead ends: 156 [2024-10-31 22:06:21,967 INFO L226 Difference]: Without dead ends: 155 [2024-10-31 22:06:21,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:06:21,968 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:21,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 382 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:21,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-31 22:06:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-10-31 22:06:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 145 states have internal predecessors, (191), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2024-10-31 22:06:21,979 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 42 [2024-10-31 22:06:21,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:21,981 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2024-10-31 22:06:21,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 22:06:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2024-10-31 22:06:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-31 22:06:21,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:21,982 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:22,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:06:22,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 22:06:22,184 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:22,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1516455087, now seen corresponding path program 1 times [2024-10-31 22:06:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:22,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332322315] [2024-10-31 22:06:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:22,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:22,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:22,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:22,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-31 22:06:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:22,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:22,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332322315] [2024-10-31 22:06:22,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332322315] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:22,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329709394] [2024-10-31 22:06:22,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:22,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:22,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:22,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:22,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:06:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:22,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:06:22,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:22,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:06:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329709394] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:06:22,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:06:22,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-10-31 22:06:22,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800329114] [2024-10-31 22:06:22,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:06:22,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:06:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:22,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:06:22,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:06:22,713 INFO L87 Difference]: Start difference. First operand 155 states and 201 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-31 22:06:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:22,877 INFO L93 Difference]: Finished difference Result 224 states and 286 transitions. [2024-10-31 22:06:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:06:22,878 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 43 [2024-10-31 22:06:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:22,880 INFO L225 Difference]: With dead ends: 224 [2024-10-31 22:06:22,881 INFO L226 Difference]: Without dead ends: 161 [2024-10-31 22:06:22,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:06:22,882 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 11 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:22,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1056 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-31 22:06:22,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2024-10-31 22:06:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 141 states have (on average 1.3404255319148937) internal successors, (189), 145 states have internal predecessors, (189), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:06:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 199 transitions. [2024-10-31 22:06:22,895 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 199 transitions. Word has length 43 [2024-10-31 22:06:22,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:22,896 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 199 transitions. [2024-10-31 22:06:22,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-31 22:06:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2024-10-31 22:06:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-31 22:06:22,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:22,897 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:22,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:23,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:23,097 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:23,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:23,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1719080000, now seen corresponding path program 1 times [2024-10-31 22:06:23,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:23,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595731365] [2024-10-31 22:06:23,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:23,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:23,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:23,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:06:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:23,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595731365] [2024-10-31 22:06:23,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595731365] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556941975] [2024-10-31 22:06:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:23,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:23,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:06:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:23,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 22:06:23,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:23,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:06:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:23,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556941975] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:06:23,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:06:23,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9] total 17 [2024-10-31 22:06:23,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440892464] [2024-10-31 22:06:23,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:06:23,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-31 22:06:23,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:23,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-31 22:06:23,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:06:23,717 INFO L87 Difference]: Start difference. First operand 155 states and 199 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (8), 2 states have call predecessors, (8), 5 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-31 22:06:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:24,122 INFO L93 Difference]: Finished difference Result 291 states and 378 transitions. [2024-10-31 22:06:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-31 22:06:24,123 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (8), 2 states have call predecessors, (8), 5 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) Word has length 47 [2024-10-31 22:06:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:24,124 INFO L225 Difference]: With dead ends: 291 [2024-10-31 22:06:24,124 INFO L226 Difference]: Without dead ends: 236 [2024-10-31 22:06:24,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-10-31 22:06:24,125 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 76 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:24,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1272 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-31 22:06:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 174. [2024-10-31 22:06:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.3096774193548386) internal successors, (203), 159 states have internal predecessors, (203), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) [2024-10-31 22:06:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 222 transitions. [2024-10-31 22:06:24,144 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 222 transitions. Word has length 47 [2024-10-31 22:06:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:24,144 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 222 transitions. [2024-10-31 22:06:24,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (8), 2 states have call predecessors, (8), 5 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-31 22:06:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 222 transitions. [2024-10-31 22:06:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-31 22:06:24,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:24,146 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-31 22:06:24,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:06:24,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-31 22:06:24,349 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:24,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:24,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2140416992, now seen corresponding path program 1 times [2024-10-31 22:06:24,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:24,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617458057] [2024-10-31 22:06:24,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:24,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:06:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:06:24,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:24,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617458057] [2024-10-31 22:06:24,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617458057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:24,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:24,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:24,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864525602] [2024-10-31 22:06:24,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:24,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:24,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:24,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:24,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:24,542 INFO L87 Difference]: Start difference. First operand 174 states and 222 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:24,624 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2024-10-31 22:06:24,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:06:24,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2024-10-31 22:06:24,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:24,626 INFO L225 Difference]: With dead ends: 238 [2024-10-31 22:06:24,627 INFO L226 Difference]: Without dead ends: 174 [2024-10-31 22:06:24,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:06:24,628 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 7 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:24,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 582 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-31 22:06:24,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-10-31 22:06:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.2967741935483872) internal successors, (201), 159 states have internal predecessors, (201), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (11), 10 states have call predecessors, (11), 8 states have call successors, (11) [2024-10-31 22:06:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 220 transitions. [2024-10-31 22:06:24,642 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 220 transitions. Word has length 51 [2024-10-31 22:06:24,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:24,643 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 220 transitions. [2024-10-31 22:06:24,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2024-10-31 22:06:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:06:24,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:24,644 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:24,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:06:24,645 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:24,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:24,645 INFO L85 PathProgramCache]: Analyzing trace with hash 250101649, now seen corresponding path program 2 times [2024-10-31 22:06:24,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:24,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485795683] [2024-10-31 22:06:24,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:24,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:06:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:06:24,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:24,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485795683] [2024-10-31 22:06:24,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485795683] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:24,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792502458] [2024-10-31 22:06:24,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:06:24,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:24,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:24,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:24,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:06:24,949 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:06:24,949 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:06:24,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:06:24,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:06:25,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:25,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792502458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:25,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:25,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 11 [2024-10-31 22:06:25,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301473055] [2024-10-31 22:06:25,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:25,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:06:25,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:25,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:06:25,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:06:25,050 INFO L87 Difference]: Start difference. First operand 174 states and 220 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:25,263 INFO L93 Difference]: Finished difference Result 313 states and 387 transitions. [2024-10-31 22:06:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:06:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2024-10-31 22:06:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:25,267 INFO L225 Difference]: With dead ends: 313 [2024-10-31 22:06:25,267 INFO L226 Difference]: Without dead ends: 270 [2024-10-31 22:06:25,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:06:25,269 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 106 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:25,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 972 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:25,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-10-31 22:06:25,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 195. [2024-10-31 22:06:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 175 states have (on average 1.2857142857142858) internal successors, (225), 177 states have internal predecessors, (225), 8 states have call successors, (8), 4 states have call predecessors, (8), 7 states have return successors, (14), 13 states have call predecessors, (14), 8 states have call successors, (14) [2024-10-31 22:06:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2024-10-31 22:06:25,288 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 55 [2024-10-31 22:06:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:25,290 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2024-10-31 22:06:25,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2024-10-31 22:06:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:06:25,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:25,291 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:25,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:06:25,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 22:06:25,493 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:25,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:25,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1338246253, now seen corresponding path program 1 times [2024-10-31 22:06:25,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:25,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163983700] [2024-10-31 22:06:25,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:25,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:06:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:06:25,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:25,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163983700] [2024-10-31 22:06:25,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163983700] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:25,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165973112] [2024-10-31 22:06:25,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:25,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:25,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:25,869 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:25,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:06:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:25,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-31 22:06:25,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:06:26,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:26,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165973112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:26,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:26,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 14 [2024-10-31 22:06:26,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403120573] [2024-10-31 22:06:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:26,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-31 22:06:26,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:26,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 22:06:26,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:06:26,172 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-31 22:06:26,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:26,430 INFO L93 Difference]: Finished difference Result 336 states and 417 transitions. [2024-10-31 22:06:26,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:06:26,431 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2024-10-31 22:06:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:26,432 INFO L225 Difference]: With dead ends: 336 [2024-10-31 22:06:26,433 INFO L226 Difference]: Without dead ends: 295 [2024-10-31 22:06:26,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:06:26,434 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 152 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:26,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 781 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:06:26,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-31 22:06:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 223. [2024-10-31 22:06:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 201 states have (on average 1.2686567164179106) internal successors, (255), 202 states have internal predecessors, (255), 10 states have call successors, (10), 4 states have call predecessors, (10), 7 states have return successors, (17), 16 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-31 22:06:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 282 transitions. [2024-10-31 22:06:26,450 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 282 transitions. Word has length 55 [2024-10-31 22:06:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:26,451 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 282 transitions. [2024-10-31 22:06:26,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-31 22:06:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 282 transitions. [2024-10-31 22:06:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-31 22:06:26,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:26,452 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-31 22:06:26,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 22:06:26,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:26,656 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:26,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:26,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1453172814, now seen corresponding path program 1 times [2024-10-31 22:06:26,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:26,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124216687] [2024-10-31 22:06:26,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:26,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:06:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:06:26,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:26,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124216687] [2024-10-31 22:06:26,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124216687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:26,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:26,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:06:26,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072531327] [2024-10-31 22:06:26,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:26,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:26,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:26,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:26,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:26,733 INFO L87 Difference]: Start difference. First operand 223 states and 282 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:26,786 INFO L93 Difference]: Finished difference Result 419 states and 532 transitions. [2024-10-31 22:06:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:26,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2024-10-31 22:06:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:26,789 INFO L225 Difference]: With dead ends: 419 [2024-10-31 22:06:26,789 INFO L226 Difference]: Without dead ends: 234 [2024-10-31 22:06:26,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:26,790 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 7 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:26,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 186 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-31 22:06:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 228. [2024-10-31 22:06:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 206 states have (on average 1.2572815533980584) internal successors, (259), 207 states have internal predecessors, (259), 10 states have call successors, (10), 4 states have call predecessors, (10), 7 states have return successors, (17), 16 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-31 22:06:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 286 transitions. [2024-10-31 22:06:26,809 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 286 transitions. Word has length 61 [2024-10-31 22:06:26,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:26,809 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 286 transitions. [2024-10-31 22:06:26,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 286 transitions. [2024-10-31 22:06:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-31 22:06:26,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:26,811 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-31 22:06:26,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:06:26,811 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:26,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:26,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1099797335, now seen corresponding path program 1 times [2024-10-31 22:06:26,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:26,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539013570] [2024-10-31 22:06:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:26,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:27,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:27,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:27,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:27,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:06:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:06:27,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539013570] [2024-10-31 22:06:27,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539013570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412531811] [2024-10-31 22:06:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:27,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:27,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:27,074 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:27,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:06:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:27,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 22:06:27,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:06:27,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:06:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:06:27,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412531811] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:06:27,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:06:27,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 13 [2024-10-31 22:06:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621841608] [2024-10-31 22:06:27,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:06:27,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:06:27,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:27,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:06:27,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:06:27,418 INFO L87 Difference]: Start difference. First operand 228 states and 286 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-31 22:06:27,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:27,553 INFO L93 Difference]: Finished difference Result 321 states and 396 transitions. [2024-10-31 22:06:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:06:27,554 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 62 [2024-10-31 22:06:27,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:27,555 INFO L225 Difference]: With dead ends: 321 [2024-10-31 22:06:27,555 INFO L226 Difference]: Without dead ends: 280 [2024-10-31 22:06:27,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:06:27,556 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 131 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:27,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 876 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-31 22:06:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 240. [2024-10-31 22:06:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 218 states have (on average 1.2568807339449541) internal successors, (274), 218 states have internal predecessors, (274), 10 states have call successors, (10), 4 states have call predecessors, (10), 7 states have return successors, (17), 17 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-31 22:06:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 301 transitions. [2024-10-31 22:06:27,573 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 301 transitions. Word has length 62 [2024-10-31 22:06:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:27,573 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 301 transitions. [2024-10-31 22:06:27,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 11 states have internal predecessors, (63), 4 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-31 22:06:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 301 transitions. [2024-10-31 22:06:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-31 22:06:27,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:27,575 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-31 22:06:27,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 22:06:27,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:06:27,776 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:27,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:27,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1606822059, now seen corresponding path program 1 times [2024-10-31 22:06:27,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:27,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267848681] [2024-10-31 22:06:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:06:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:06:28,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:28,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267848681] [2024-10-31 22:06:28,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267848681] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:28,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302458810] [2024-10-31 22:06:28,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:28,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:28,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:28,133 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:28,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:06:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:06:28,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-31 22:06:28,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:06:28,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302458810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:28,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:06:28,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-10-31 22:06:28,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813498258] [2024-10-31 22:06:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:28,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:06:28,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:28,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:06:28,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:06:28,478 INFO L87 Difference]: Start difference. First operand 240 states and 301 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:28,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:28,528 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2024-10-31 22:06:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:06:28,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 62 [2024-10-31 22:06:28,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:28,530 INFO L225 Difference]: With dead ends: 240 [2024-10-31 22:06:28,530 INFO L226 Difference]: Without dead ends: 239 [2024-10-31 22:06:28,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:06:28,531 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 9 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:28,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 275 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:28,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-31 22:06:28,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 214. [2024-10-31 22:06:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 194 states have (on average 1.268041237113402) internal successors, (246), 194 states have internal predecessors, (246), 9 states have call successors, (9), 4 states have call predecessors, (9), 7 states have return successors, (16), 15 states have call predecessors, (16), 9 states have call successors, (16) [2024-10-31 22:06:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 271 transitions. [2024-10-31 22:06:28,547 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 271 transitions. Word has length 62 [2024-10-31 22:06:28,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:28,548 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 271 transitions. [2024-10-31 22:06:28,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 271 transitions. [2024-10-31 22:06:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 22:06:28,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:28,550 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:28,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-31 22:06:28,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:28,754 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:28,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:28,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1536563798, now seen corresponding path program 1 times [2024-10-31 22:06:28,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:28,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026954574] [2024-10-31 22:06:28,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:28,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:06:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:06:28,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:28,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026954574] [2024-10-31 22:06:28,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026954574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:28,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:28,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:28,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59834286] [2024-10-31 22:06:28,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:28,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:28,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:28,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:28,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:28,914 INFO L87 Difference]: Start difference. First operand 214 states and 271 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:28,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:28,944 INFO L93 Difference]: Finished difference Result 214 states and 271 transitions. [2024-10-31 22:06:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:28,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2024-10-31 22:06:28,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:28,946 INFO L225 Difference]: With dead ends: 214 [2024-10-31 22:06:28,946 INFO L226 Difference]: Without dead ends: 212 [2024-10-31 22:06:28,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:28,947 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 16 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:28,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 160 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:28,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-31 22:06:28,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-10-31 22:06:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 194 states have (on average 1.2577319587628866) internal successors, (244), 192 states have internal predecessors, (244), 9 states have call successors, (9), 4 states have call predecessors, (9), 7 states have return successors, (16), 15 states have call predecessors, (16), 9 states have call successors, (16) [2024-10-31 22:06:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2024-10-31 22:06:28,965 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 63 [2024-10-31 22:06:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:28,965 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2024-10-31 22:06:28,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2024-10-31 22:06:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 22:06:28,968 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:28,968 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-31 22:06:28,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:06:28,968 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:28,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash -388837224, now seen corresponding path program 1 times [2024-10-31 22:06:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:28,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69663344] [2024-10-31 22:06:28,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:28,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:06:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:06:29,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69663344] [2024-10-31 22:06:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69663344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:29,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:29,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:06:29,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552529138] [2024-10-31 22:06:29,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:29,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:06:29,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:29,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:06:29,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:06:29,162 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:29,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:29,305 INFO L93 Difference]: Finished difference Result 259 states and 325 transitions. [2024-10-31 22:06:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:06:29,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2024-10-31 22:06:29,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:29,307 INFO L225 Difference]: With dead ends: 259 [2024-10-31 22:06:29,307 INFO L226 Difference]: Without dead ends: 245 [2024-10-31 22:06:29,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:06:29,308 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 28 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:29,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 598 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:29,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-10-31 22:06:29,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 225. [2024-10-31 22:06:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 206 states have (on average 1.2524271844660195) internal successors, (258), 204 states have internal predecessors, (258), 10 states have call successors, (10), 4 states have call predecessors, (10), 7 states have return successors, (17), 16 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-31 22:06:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 285 transitions. [2024-10-31 22:06:29,324 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 285 transitions. Word has length 64 [2024-10-31 22:06:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:29,324 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 285 transitions. [2024-10-31 22:06:29,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 285 transitions. [2024-10-31 22:06:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-31 22:06:29,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:29,326 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-31 22:06:29,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:06:29,326 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash 881590918, now seen corresponding path program 1 times [2024-10-31 22:06:29,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:29,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331483812] [2024-10-31 22:06:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:06:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,439 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:06:29,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:29,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331483812] [2024-10-31 22:06:29,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331483812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:29,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:29,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:29,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099441646] [2024-10-31 22:06:29,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:29,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:29,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:29,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:29,442 INFO L87 Difference]: Start difference. First operand 225 states and 285 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:29,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:29,470 INFO L93 Difference]: Finished difference Result 230 states and 290 transitions. [2024-10-31 22:06:29,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:29,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2024-10-31 22:06:29,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:29,472 INFO L225 Difference]: With dead ends: 230 [2024-10-31 22:06:29,472 INFO L226 Difference]: Without dead ends: 224 [2024-10-31 22:06:29,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:29,473 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:29,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 166 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:29,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-31 22:06:29,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-10-31 22:06:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 206 states have (on average 1.2427184466019416) internal successors, (256), 203 states have internal predecessors, (256), 10 states have call successors, (10), 4 states have call predecessors, (10), 7 states have return successors, (17), 16 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-31 22:06:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 283 transitions. [2024-10-31 22:06:29,490 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 283 transitions. Word has length 65 [2024-10-31 22:06:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:29,491 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 283 transitions. [2024-10-31 22:06:29,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-31 22:06:29,491 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 283 transitions. [2024-10-31 22:06:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-31 22:06:29,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:29,492 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:29,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:06:29,493 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-31 22:06:29,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:29,493 INFO L85 PathProgramCache]: Analyzing trace with hash -229329491, now seen corresponding path program 1 times [2024-10-31 22:06:29,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:29,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993323710] [2024-10-31 22:06:29,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:29,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:06:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:06:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:06:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:06:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:06:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:06:29,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:29,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993323710] [2024-10-31 22:06:29,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993323710] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:29,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410548446] [2024-10-31 22:06:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:29,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:06:29,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:29,827 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:06:29,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-31 22:06:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:29,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:06:29,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 22:06:30,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:06:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-31 22:06:30,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410548446] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-31 22:06:30,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:06:30,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8] total 13 [2024-10-31 22:06:30,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392414908] [2024-10-31 22:06:30,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:30,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:06:30,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:30,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:06:30,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:06:30,167 INFO L87 Difference]: Start difference. First operand 224 states and 283 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-31 22:06:30,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:30,196 INFO L93 Difference]: Finished difference Result 224 states and 283 transitions. [2024-10-31 22:06:30,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:06:30,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 73 [2024-10-31 22:06:30,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:30,197 INFO L225 Difference]: With dead ends: 224 [2024-10-31 22:06:30,197 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:06:30,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:06:30,199 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 22 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:30,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 160 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:30,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:06:30,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:06:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-10-31 22:06:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:06:30,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-10-31 22:06:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:30,201 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:06:30,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-31 22:06:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:06:30,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:06:30,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-10-31 22:06:30,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-10-31 22:06:30,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-10-31 22:06:30,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-10-31 22:06:30,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-10-31 22:06:30,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-10-31 22:06:30,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-10-31 22:06:30,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-10-31 22:06:30,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-10-31 22:06:30,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-10-31 22:06:30,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-10-31 22:06:30,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-10-31 22:06:30,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-10-31 22:06:30,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-10-31 22:06:30,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-10-31 22:06:30,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-10-31 22:06:30,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:30,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-31 22:06:30,414 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:30,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:06:31,931 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:06:31,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:06:31 BoogieIcfgContainer [2024-10-31 22:06:31,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:06:31,965 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:06:31,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:06:31,966 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:06:31,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:17" (3/4) ... [2024-10-31 22:06:31,971 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:06:31,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2024-10-31 22:06:31,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-31 22:06:31,992 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-31 22:06:31,992 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-31 22:06:31,993 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:06:31,993 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:06:32,034 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) && (m <= 33554431)) [2024-10-31 22:06:32,035 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) [2024-10-31 22:06:32,085 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) && (m <= 33554431)) [2024-10-31 22:06:32,085 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) [2024-10-31 22:06:32,142 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:06:32,143 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:06:32,143 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:06:32,144 INFO L158 Benchmark]: Toolchain (without parser) took 16926.86ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 60.6MB in the beginning and 144.6MB in the end (delta: -84.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:32,144 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 125.8MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:32,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.58ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 60.4MB in the beginning and 126.2MB in the end (delta: -65.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-10-31 22:06:32,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.86ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:32,145 INFO L158 Benchmark]: Boogie Preprocessor took 59.80ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 121.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:32,145 INFO L158 Benchmark]: RCFGBuilder took 1056.61ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 114.7MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:06:32,146 INFO L158 Benchmark]: TraceAbstraction took 14948.73ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 113.9MB in the beginning and 152.0MB in the end (delta: -38.2MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2024-10-31 22:06:32,146 INFO L158 Benchmark]: Witness Printer took 177.90ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 144.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:06:32,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 125.8MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.58ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 60.4MB in the beginning and 126.2MB in the end (delta: -65.8MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.86ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.80ms. Allocated memory is still 167.8MB. Free memory was 124.1MB in the beginning and 121.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1056.61ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 114.7MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14948.73ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 113.9MB in the beginning and 152.0MB in the end (delta: -38.2MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 177.90ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 144.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 127 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 23, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1275 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1245 mSDsluCounter, 10297 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7911 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1580 IncrementalHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 2386 mSDtfsCounter, 1580 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 971 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=18, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 477 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1395 NumberOfCodeBlocks, 1377 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1582 ConstructedInterpolants, 0 QuantifiedInterpolants, 3062 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1360 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 38 InterpolantComputations, 20 PerfectInterpolantSequences, 432/490 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) && (m <= 33554431)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) - ProcedureContractResult [Line: 25]: Procedure Contract for base2flt Derived contract for procedure base2flt. Requires: ((e <= 127) && (0 <= ((long long) 128 + e))) Ensures: ((e <= 127) && (0 <= ((long long) 128 + e))) - ProcedureContractResult [Line: 16]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-31 22:06:32,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae3c8c-794d-4fff-987a-3fc89c7dc1ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE