./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 0e0057cc 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_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/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_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 04:58:56,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:58:56,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 04:58:56,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:58:56,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:58:56,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:58:56,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:58:56,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:58:56,558 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:58:56,558 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:58:56,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:58:56,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:58:56,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:58:56,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:58:56,561 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:58:56,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:58:56,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:58:56,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:58:56,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:58:56,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:58:56,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:58:56,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:58:56,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:58:56,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:58:56,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:58:56,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:58:56,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:58:56,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:58:56,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:58:56,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:58:56,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:58:56,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:58:56,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:58:56,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:58:56,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:58:56,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:58:56,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:58:56,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:58:56,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:58:56,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:58:56,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:58:56,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:58:56,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:58:56,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:58:56,573 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_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2023-11-29 04:58:56,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:58:56,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:58:56,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:58:56,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:58:56,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:58:56,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2023-11-29 04:58:59,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:58:59,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:58:59,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2023-11-29 04:58:59,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/data/7f15886fe/5e305f0fb65c43578201f1064c1c98a6/FLAGc53c179ea [2023-11-29 04:58:59,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/data/7f15886fe/5e305f0fb65c43578201f1064c1c98a6 [2023-11-29 04:58:59,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:58:59,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:58:59,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:58:59,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:58:59,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:58:59,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:58:59" (1/1) ... [2023-11-29 04:58:59,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a5fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:58:59, skipping insertion in model container [2023-11-29 04:58:59,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:58:59" (1/1) ... [2023-11-29 04:58:59,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:59:00,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:59:00,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:59:00,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:59:00,114 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:59:00,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00 WrapperNode [2023-11-29 04:59:00,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:59:00,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:59:00,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:59:00,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:59:00,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,161 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 204 [2023-11-29 04:59:00,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:59:00,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:59:00,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:59:00,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:59:00,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,192 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]. [2023-11-29 04:59:00,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:59:00,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:59:00,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:59:00,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:59:00,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (1/1) ... [2023-11-29 04:59:00,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:59:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:00,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:59:00,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:59:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:59:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:59:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-29 04:59:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-29 04:59:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:59:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:59:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 04:59:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 04:59:00,359 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:59:00,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:59:00,773 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:59:00,810 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:59:00,810 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 04:59:00,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:59:00 BoogieIcfgContainer [2023-11-29 04:59:00,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:59:00,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:59:00,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:59:00,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:59:00,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:58:59" (1/3) ... [2023-11-29 04:59:00,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e576cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:59:00, skipping insertion in model container [2023-11-29 04:59:00,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:59:00" (2/3) ... [2023-11-29 04:59:00,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e576cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:59:00, skipping insertion in model container [2023-11-29 04:59:00,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:59:00" (3/3) ... [2023-11-29 04:59:00,819 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2023-11-29 04:59:00,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:59:00,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-29 04:59:00,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:59:00,887 INFO L357 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, mHoare=true, 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;@6d99fbd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:59:00,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-29 04:59:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 86 states have (on average 1.744186046511628) internal successors, (150), 104 states have internal predecessors, (150), 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) [2023-11-29 04:59:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 04:59:00,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:00,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:00,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:00,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:00,904 INFO L85 PathProgramCache]: Analyzing trace with hash 2112112604, now seen corresponding path program 1 times [2023-11-29 04:59:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:00,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294273195] [2023-11-29 04:59:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:01,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:01,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294273195] [2023-11-29 04:59:01,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294273195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:01,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:01,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:59:01,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77714360] [2023-11-29 04:59:01,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:01,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:59:01,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:01,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:59:01,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:59:01,144 INFO L87 Difference]: Start difference. First operand has 113 states, 86 states have (on average 1.744186046511628) internal successors, (150), 104 states have internal predecessors, (150), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-29 04:59:01,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:01,291 INFO L93 Difference]: Finished difference Result 268 states and 415 transitions. [2023-11-29 04:59:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:59:01,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 8 [2023-11-29 04:59:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:01,303 INFO L225 Difference]: With dead ends: 268 [2023-11-29 04:59:01,304 INFO L226 Difference]: Without dead ends: 130 [2023-11-29 04:59:01,307 INFO L412 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 [2023-11-29 04:59:01,310 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 80 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:01,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 410 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:01,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-29 04:59:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 121. [2023-11-29 04:59:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 112 states have internal predecessors, (153), 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) [2023-11-29 04:59:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 163 transitions. [2023-11-29 04:59:01,359 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 163 transitions. Word has length 8 [2023-11-29 04:59:01,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:01,359 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 163 transitions. [2023-11-29 04:59:01,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-29 04:59:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2023-11-29 04:59:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 04:59:01,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:01,362 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:01,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:59:01,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:01,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:01,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2064310578, now seen corresponding path program 1 times [2023-11-29 04:59:01,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:01,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821904284] [2023-11-29 04:59:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:59:01,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:01,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821904284] [2023-11-29 04:59:01,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821904284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:01,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:01,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:59:01,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118687307] [2023-11-29 04:59:01,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:01,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:59:01,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:01,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:59:01,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:01,430 INFO L87 Difference]: Start difference. First operand 121 states and 163 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:59:01,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:01,473 INFO L93 Difference]: Finished difference Result 125 states and 168 transitions. [2023-11-29 04:59:01,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:59:01,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 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 14 [2023-11-29 04:59:01,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:01,476 INFO L225 Difference]: With dead ends: 125 [2023-11-29 04:59:01,476 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 04:59:01,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:01,478 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 3 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:01,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 187 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:01,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 04:59:01,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 120. [2023-11-29 04:59:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.495049504950495) internal successors, (151), 111 states have internal predecessors, (151), 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) [2023-11-29 04:59:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 161 transitions. [2023-11-29 04:59:01,497 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 161 transitions. Word has length 14 [2023-11-29 04:59:01,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:01,498 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 161 transitions. [2023-11-29 04:59:01,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:59:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2023-11-29 04:59:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 04:59:01,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:01,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:01,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:59:01,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:01,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:01,501 INFO L85 PathProgramCache]: Analyzing trace with hash 861613444, now seen corresponding path program 1 times [2023-11-29 04:59:01,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:01,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077254804] [2023-11-29 04:59:01,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:01,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:01,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077254804] [2023-11-29 04:59:01,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077254804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:01,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:01,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:59:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994911567] [2023-11-29 04:59:01,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:01,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:59:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:01,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:59:01,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:01,555 INFO L87 Difference]: Start difference. First operand 120 states and 161 transitions. Second operand has 3 states, 3 states have (on average 4.0) 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) [2023-11-29 04:59:01,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:01,615 INFO L93 Difference]: Finished difference Result 224 states and 300 transitions. [2023-11-29 04:59:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:59:01,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) 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 13 [2023-11-29 04:59:01,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:01,618 INFO L225 Difference]: With dead ends: 224 [2023-11-29 04:59:01,618 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 04:59:01,619 INFO L412 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 [2023-11-29 04:59:01,621 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 12 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:01,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 179 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:01,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 04:59:01,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2023-11-29 04:59:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.4761904761904763) internal successors, (155), 115 states have internal predecessors, (155), 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) [2023-11-29 04:59:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 165 transitions. [2023-11-29 04:59:01,636 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 165 transitions. Word has length 13 [2023-11-29 04:59:01,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:01,636 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 165 transitions. [2023-11-29 04:59:01,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) 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) [2023-11-29 04:59:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2023-11-29 04:59:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 04:59:01,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:01,638 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:01,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:59:01,638 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:01,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash 459508935, now seen corresponding path program 1 times [2023-11-29 04:59:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:01,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386761718] [2023-11-29 04:59:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:01,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:01,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386761718] [2023-11-29 04:59:01,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386761718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:01,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:01,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:59:01,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498975662] [2023-11-29 04:59:01,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:01,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:01,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:59:01,717 INFO L87 Difference]: Start difference. First operand 124 states and 165 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2023-11-29 04:59:01,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:01,816 INFO L93 Difference]: Finished difference Result 179 states and 240 transitions. [2023-11-29 04:59:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:59:01,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 15 [2023-11-29 04:59:01,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:01,818 INFO L225 Difference]: With dead ends: 179 [2023-11-29 04:59:01,818 INFO L226 Difference]: Without dead ends: 177 [2023-11-29 04:59:01,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:59:01,820 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 128 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:01,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 290 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:01,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-29 04:59:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 157. [2023-11-29 04:59:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 147 states have internal predecessors, (203), 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) [2023-11-29 04:59:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 213 transitions. [2023-11-29 04:59:01,838 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 213 transitions. Word has length 15 [2023-11-29 04:59:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:01,839 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 213 transitions. [2023-11-29 04:59:01,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2023-11-29 04:59:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 213 transitions. [2023-11-29 04:59:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 04:59:01,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:01,840 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:01,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:59:01,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:01,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:01,842 INFO L85 PathProgramCache]: Analyzing trace with hash 430881579, now seen corresponding path program 1 times [2023-11-29 04:59:01,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:01,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359644029] [2023-11-29 04:59:01,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:01,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:01,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:01,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359644029] [2023-11-29 04:59:01,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359644029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:01,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:01,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:59:01,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733599199] [2023-11-29 04:59:01,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:01,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:01,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:01,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:01,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:59:01,907 INFO L87 Difference]: Start difference. First operand 157 states and 213 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2023-11-29 04:59:02,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:02,015 INFO L93 Difference]: Finished difference Result 179 states and 239 transitions. [2023-11-29 04:59:02,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:59:02,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 15 [2023-11-29 04:59:02,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:02,020 INFO L225 Difference]: With dead ends: 179 [2023-11-29 04:59:02,020 INFO L226 Difference]: Without dead ends: 176 [2023-11-29 04:59:02,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:59:02,022 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 129 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:02,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 285 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-29 04:59:02,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 157. [2023-11-29 04:59:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 138 states have (on average 1.4492753623188406) internal successors, (200), 147 states have internal predecessors, (200), 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) [2023-11-29 04:59:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 210 transitions. [2023-11-29 04:59:02,036 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 210 transitions. Word has length 15 [2023-11-29 04:59:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:02,036 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 210 transitions. [2023-11-29 04:59:02,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2023-11-29 04:59:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2023-11-29 04:59:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 04:59:02,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:02,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:02,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:59:02,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:02,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:02,039 INFO L85 PathProgramCache]: Analyzing trace with hash 940268774, now seen corresponding path program 1 times [2023-11-29 04:59:02,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:02,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491189124] [2023-11-29 04:59:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:02,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:02,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491189124] [2023-11-29 04:59:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491189124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:02,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:02,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:59:02,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611517877] [2023-11-29 04:59:02,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:02,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:02,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:02,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:02,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:59:02,099 INFO L87 Difference]: Start difference. First operand 157 states and 210 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-29 04:59:02,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:02,214 INFO L93 Difference]: Finished difference Result 302 states and 396 transitions. [2023-11-29 04:59:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:59:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 [2023-11-29 04:59:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:02,218 INFO L225 Difference]: With dead ends: 302 [2023-11-29 04:59:02,218 INFO L226 Difference]: Without dead ends: 185 [2023-11-29 04:59:02,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:59:02,220 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 113 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:02,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 358 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-29 04:59:02,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 166. [2023-11-29 04:59:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 147 states have (on average 1.435374149659864) internal successors, (211), 156 states have internal predecessors, (211), 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) [2023-11-29 04:59:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 221 transitions. [2023-11-29 04:59:02,233 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 221 transitions. Word has length 14 [2023-11-29 04:59:02,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:02,233 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 221 transitions. [2023-11-29 04:59:02,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2023-11-29 04:59:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 221 transitions. [2023-11-29 04:59:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 04:59:02,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:02,235 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:02,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:59:02,235 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:02,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash 789447061, now seen corresponding path program 1 times [2023-11-29 04:59:02,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:02,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499066708] [2023-11-29 04:59:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:02,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:02,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499066708] [2023-11-29 04:59:02,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499066708] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:02,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457154180] [2023-11-29 04:59:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:02,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:02,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:02,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:59:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:59:02,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:59:02,408 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:59:02,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457154180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:02,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:59:02,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 04:59:02,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284085830] [2023-11-29 04:59:02,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:02,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:59:02,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:02,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:59:02,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:59:02,410 INFO L87 Difference]: Start difference. First operand 166 states and 221 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-29 04:59:02,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:02,463 INFO L93 Difference]: Finished difference Result 197 states and 262 transitions. [2023-11-29 04:59:02,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:59:02,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 16 [2023-11-29 04:59:02,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:02,465 INFO L225 Difference]: With dead ends: 197 [2023-11-29 04:59:02,465 INFO L226 Difference]: Without dead ends: 196 [2023-11-29 04:59:02,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:59:02,467 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 17 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:02,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 204 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-29 04:59:02,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 162. [2023-11-29 04:59:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 143 states have (on average 1.4335664335664335) internal successors, (205), 152 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) [2023-11-29 04:59:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 215 transitions. [2023-11-29 04:59:02,480 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 215 transitions. Word has length 16 [2023-11-29 04:59:02,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:02,480 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 215 transitions. [2023-11-29 04:59:02,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-29 04:59:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 215 transitions. [2023-11-29 04:59:02,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:59:02,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:02,482 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:02,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:59:02,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 04:59:02,688 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:02,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1368423315, now seen corresponding path program 1 times [2023-11-29 04:59:02,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:02,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077003161] [2023-11-29 04:59:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:59:02,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077003161] [2023-11-29 04:59:02,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077003161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:02,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:02,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:59:02,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661032328] [2023-11-29 04:59:02,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:02,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:02,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:02,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:02,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:59:02,752 INFO L87 Difference]: Start difference. First operand 162 states and 215 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-29 04:59:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:02,844 INFO L93 Difference]: Finished difference Result 187 states and 247 transitions. [2023-11-29 04:59:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:59:02,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 21 [2023-11-29 04:59:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:02,846 INFO L225 Difference]: With dead ends: 187 [2023-11-29 04:59:02,846 INFO L226 Difference]: Without dead ends: 185 [2023-11-29 04:59:02,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:59:02,848 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 126 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:02,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 285 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-29 04:59:02,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 165. [2023-11-29 04:59:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 147 states have (on average 1.4149659863945578) internal successors, (208), 155 states have internal predecessors, (208), 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) [2023-11-29 04:59:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 218 transitions. [2023-11-29 04:59:02,861 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 218 transitions. Word has length 21 [2023-11-29 04:59:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:02,861 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 218 transitions. [2023-11-29 04:59:02,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-29 04:59:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 218 transitions. [2023-11-29 04:59:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:59:02,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:02,863 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:02,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:59:02,863 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:02,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:02,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1339795959, now seen corresponding path program 1 times [2023-11-29 04:59:02,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:02,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973611087] [2023-11-29 04:59:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:59:02,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:02,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973611087] [2023-11-29 04:59:02,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973611087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:02,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:02,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:59:02,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425808350] [2023-11-29 04:59:02,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:02,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:02,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:02,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:02,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:59:02,920 INFO L87 Difference]: Start difference. First operand 165 states and 218 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-29 04:59:02,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:02,998 INFO L93 Difference]: Finished difference Result 183 states and 241 transitions. [2023-11-29 04:59:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:59:03,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 21 [2023-11-29 04:59:03,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:03,004 INFO L225 Difference]: With dead ends: 183 [2023-11-29 04:59:03,004 INFO L226 Difference]: Without dead ends: 181 [2023-11-29 04:59:03,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:59:03,005 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 125 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:03,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 281 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-29 04:59:03,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 159. [2023-11-29 04:59:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 143 states have (on average 1.4055944055944056) internal successors, (201), 149 states have internal predecessors, (201), 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) [2023-11-29 04:59:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 211 transitions. [2023-11-29 04:59:03,018 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 211 transitions. Word has length 21 [2023-11-29 04:59:03,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:03,019 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 211 transitions. [2023-11-29 04:59:03,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-29 04:59:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2023-11-29 04:59:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 04:59:03,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:03,020 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:59:03,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:59:03,020 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:03,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:03,020 INFO L85 PathProgramCache]: Analyzing trace with hash 709342808, now seen corresponding path program 1 times [2023-11-29 04:59:03,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:03,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394369582] [2023-11-29 04:59:03,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:03,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:59:03,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:03,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394369582] [2023-11-29 04:59:03,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394369582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:03,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:03,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:59:03,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416277761] [2023-11-29 04:59:03,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:03,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:59:03,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:03,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:59:03,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:59:03,061 INFO L87 Difference]: Start difference. First operand 159 states and 211 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:59:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:03,116 INFO L93 Difference]: Finished difference Result 193 states and 254 transitions. [2023-11-29 04:59:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:59:03,116 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, (2), 1 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 20 [2023-11-29 04:59:03,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:03,118 INFO L225 Difference]: With dead ends: 193 [2023-11-29 04:59:03,118 INFO L226 Difference]: Without dead ends: 192 [2023-11-29 04:59:03,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:59:03,119 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 13 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:03,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 278 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-29 04:59:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 146. [2023-11-29 04:59:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 131 states have (on average 1.3969465648854962) internal successors, (183), 136 states have internal predecessors, (183), 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) [2023-11-29 04:59:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 193 transitions. [2023-11-29 04:59:03,133 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 193 transitions. Word has length 20 [2023-11-29 04:59:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:03,133 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 193 transitions. [2023-11-29 04:59:03,133 INFO L496 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 04:59:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 193 transitions. [2023-11-29 04:59:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 04:59:03,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:03,134 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:03,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:59:03,135 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:03,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:03,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2112467472, now seen corresponding path program 1 times [2023-11-29 04:59:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:03,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691734038] [2023-11-29 04:59:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:03,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:59:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 04:59:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:59:03,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:03,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691734038] [2023-11-29 04:59:03,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691734038] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:03,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960525494] [2023-11-29 04:59:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:03,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:03,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:03,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:59:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:59:03,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:03,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:59:03,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960525494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:03,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:59:03,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2023-11-29 04:59:03,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871204140] [2023-11-29 04:59:03,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:03,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:03,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:03,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:03,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:59:03,480 INFO L87 Difference]: Start difference. First operand 146 states and 193 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-29 04:59:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:03,540 INFO L93 Difference]: Finished difference Result 146 states and 193 transitions. [2023-11-29 04:59:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:59:03,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 38 [2023-11-29 04:59:03,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:03,542 INFO L225 Difference]: With dead ends: 146 [2023-11-29 04:59:03,542 INFO L226 Difference]: Without dead ends: 145 [2023-11-29 04:59:03,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:59:03,543 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 24 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:03,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 305 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:03,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-29 04:59:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-11-29 04:59:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 131 states have (on average 1.3893129770992367) internal successors, (182), 135 states have internal predecessors, (182), 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) [2023-11-29 04:59:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 192 transitions. [2023-11-29 04:59:03,554 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 192 transitions. Word has length 38 [2023-11-29 04:59:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:03,554 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 192 transitions. [2023-11-29 04:59:03,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-29 04:59:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2023-11-29 04:59:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 04:59:03,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:03,556 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:03,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:59:03,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:03,760 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:03,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:03,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1061981981, now seen corresponding path program 1 times [2023-11-29 04:59:03,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698523640] [2023-11-29 04:59:03,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 04:59:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 04:59:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:59:03,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:03,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698523640] [2023-11-29 04:59:03,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698523640] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:03,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133241823] [2023-11-29 04:59:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:03,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:03,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:03,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:03,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:59:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:04,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 04:59:04,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:59:04,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:59:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:59:04,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133241823] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:59:04,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:59:04,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 16 [2023-11-29 04:59:04,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888544606] [2023-11-29 04:59:04,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:59:04,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 04:59:04,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:04,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 04:59:04,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:59:04,228 INFO L87 Difference]: Start difference. First operand 145 states and 192 transitions. Second operand has 16 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 4 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-29 04:59:04,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:04,585 INFO L93 Difference]: Finished difference Result 298 states and 394 transitions. [2023-11-29 04:59:04,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 04:59:04,586 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 4 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) Word has length 39 [2023-11-29 04:59:04,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:04,587 INFO L225 Difference]: With dead ends: 298 [2023-11-29 04:59:04,588 INFO L226 Difference]: Without dead ends: 138 [2023-11-29 04:59:04,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2023-11-29 04:59:04,589 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 36 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:04,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 860 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:59:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-29 04:59:04,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 108. [2023-11-29 04:59:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.372340425531915) internal successors, (129), 98 states have internal predecessors, (129), 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) [2023-11-29 04:59:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 139 transitions. [2023-11-29 04:59:04,600 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 139 transitions. Word has length 39 [2023-11-29 04:59:04,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:04,600 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 139 transitions. [2023-11-29 04:59:04,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 4 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-29 04:59:04,600 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2023-11-29 04:59:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 04:59:04,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:04,601 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:04,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 04:59:04,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 04:59:04,804 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:04,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:04,805 INFO L85 PathProgramCache]: Analyzing trace with hash -156403822, now seen corresponding path program 1 times [2023-11-29 04:59:04,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:04,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662900887] [2023-11-29 04:59:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:04,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 04:59:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:59:04,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:04,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662900887] [2023-11-29 04:59:04,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662900887] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:04,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359709148] [2023-11-29 04:59:04,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:04,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:04,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:04,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:04,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:59:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:05,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 04:59:05,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:59:05,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:59:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:59:05,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359709148] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:59:05,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:59:05,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 9] total 20 [2023-11-29 04:59:05,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751721441] [2023-11-29 04:59:05,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:59:05,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:59:05,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:05,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:59:05,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:59:05,407 INFO L87 Difference]: Start difference. First operand 108 states and 139 transitions. Second operand has 20 states, 16 states have (on average 3.3125) internal successors, (53), 17 states have internal predecessors, (53), 5 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (11), 8 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-29 04:59:05,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:05,913 INFO L93 Difference]: Finished difference Result 237 states and 303 transitions. [2023-11-29 04:59:05,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:59:05,915 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 3.3125) internal successors, (53), 17 states have internal predecessors, (53), 5 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (11), 8 states have call predecessors, (11), 5 states have call successors, (11) Word has length 43 [2023-11-29 04:59:05,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:05,917 INFO L225 Difference]: With dead ends: 237 [2023-11-29 04:59:05,917 INFO L226 Difference]: Without dead ends: 186 [2023-11-29 04:59:05,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=845, Unknown=0, NotChecked=0, Total=992 [2023-11-29 04:59:05,918 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 268 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:05,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 938 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:59:05,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-29 04:59:05,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 108. [2023-11-29 04:59:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 98 states have internal predecessors, (126), 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) [2023-11-29 04:59:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 136 transitions. [2023-11-29 04:59:05,932 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 136 transitions. Word has length 43 [2023-11-29 04:59:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:05,933 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 136 transitions. [2023-11-29 04:59:05,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 3.3125) internal successors, (53), 17 states have internal predecessors, (53), 5 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (11), 8 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-29 04:59:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2023-11-29 04:59:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 04:59:05,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:05,934 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:05,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:59:06,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 04:59:06,140 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:06,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:06,141 INFO L85 PathProgramCache]: Analyzing trace with hash 136405296, now seen corresponding path program 1 times [2023-11-29 04:59:06,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:06,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451328510] [2023-11-29 04:59:06,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:06,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 04:59:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:59:06,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:06,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451328510] [2023-11-29 04:59:06,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451328510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:06,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:06,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:59:06,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124116899] [2023-11-29 04:59:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:06,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:59:06,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:06,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:59:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:59:06,326 INFO L87 Difference]: Start difference. First operand 108 states and 136 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-11-29 04:59:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:06,386 INFO L93 Difference]: Finished difference Result 160 states and 197 transitions. [2023-11-29 04:59:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:59:06,386 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 47 [2023-11-29 04:59:06,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:06,388 INFO L225 Difference]: With dead ends: 160 [2023-11-29 04:59:06,388 INFO L226 Difference]: Without dead ends: 108 [2023-11-29 04:59:06,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:59:06,389 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 4 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:06,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 518 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:06,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-29 04:59:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-29 04:59:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.3191489361702127) internal successors, (124), 98 states have internal predecessors, (124), 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) [2023-11-29 04:59:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2023-11-29 04:59:06,397 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 47 [2023-11-29 04:59:06,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:06,397 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2023-11-29 04:59:06,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-11-29 04:59:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2023-11-29 04:59:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 04:59:06,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:06,398 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:06,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:59:06,399 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:06,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:06,399 INFO L85 PathProgramCache]: Analyzing trace with hash -279293409, now seen corresponding path program 2 times [2023-11-29 04:59:06,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:06,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778837824] [2023-11-29 04:59:06,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:06,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 04:59:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:06,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:06,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778837824] [2023-11-29 04:59:06,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778837824] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:06,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663093686] [2023-11-29 04:59:06,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 04:59:06,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:06,566 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:06,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:59:06,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 04:59:06,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 04:59:06,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 04:59:06,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:06,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:59:06,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663093686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:06,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:59:06,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2023-11-29 04:59:06,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859706937] [2023-11-29 04:59:06,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:06,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:59:06,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:06,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:59:06,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:59:06,698 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-11-29 04:59:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:06,753 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2023-11-29 04:59:06,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:59:06,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 51 [2023-11-29 04:59:06,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:06,755 INFO L225 Difference]: With dead ends: 194 [2023-11-29 04:59:06,755 INFO L226 Difference]: Without dead ends: 154 [2023-11-29 04:59:06,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:59:06,756 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 42 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:06,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 518 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:06,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-29 04:59:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 116. [2023-11-29 04:59:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 101 states have (on average 1.297029702970297) internal successors, (131), 105 states have internal predecessors, (131), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 04:59:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 142 transitions. [2023-11-29 04:59:06,766 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 142 transitions. Word has length 51 [2023-11-29 04:59:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:06,766 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 142 transitions. [2023-11-29 04:59:06,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-11-29 04:59:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2023-11-29 04:59:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 04:59:06,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:06,767 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:06,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:59:06,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 04:59:06,968 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:06,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:06,968 INFO L85 PathProgramCache]: Analyzing trace with hash 538355041, now seen corresponding path program 1 times [2023-11-29 04:59:06,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:06,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53636908] [2023-11-29 04:59:06,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:06,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 04:59:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:07,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:07,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53636908] [2023-11-29 04:59:07,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53636908] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:07,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589576628] [2023-11-29 04:59:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:07,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:07,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:07,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:07,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:59:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 04:59:07,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:07,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:07,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:59:07,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589576628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:07,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:59:07,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 10 [2023-11-29 04:59:07,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878594218] [2023-11-29 04:59:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:07,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:59:07,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:07,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:59:07,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:59:07,302 INFO L87 Difference]: Start difference. First operand 116 states and 142 transitions. Second operand has 9 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 04:59:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:07,440 INFO L93 Difference]: Finished difference Result 241 states and 292 transitions. [2023-11-29 04:59:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:59:07,441 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2023-11-29 04:59:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:07,442 INFO L225 Difference]: With dead ends: 241 [2023-11-29 04:59:07,442 INFO L226 Difference]: Without dead ends: 204 [2023-11-29 04:59:07,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:59:07,443 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 123 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:07,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 588 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:07,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-11-29 04:59:07,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 129. [2023-11-29 04:59:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 116 states have internal predecessors, (142), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (9), 8 states have call predecessors, (9), 6 states have call successors, (9) [2023-11-29 04:59:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 157 transitions. [2023-11-29 04:59:07,455 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 157 transitions. Word has length 51 [2023-11-29 04:59:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:07,455 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 157 transitions. [2023-11-29 04:59:07,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 04:59:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 157 transitions. [2023-11-29 04:59:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 04:59:07,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:07,457 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:07,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:59:07,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 04:59:07,657 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:07,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:07,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1049992861, now seen corresponding path program 1 times [2023-11-29 04:59:07,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693547965] [2023-11-29 04:59:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:07,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 04:59:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:07,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:07,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693547965] [2023-11-29 04:59:07,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693547965] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:07,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279678050] [2023-11-29 04:59:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:07,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:07,930 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:07,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 04:59:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 04:59:08,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:59:08,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:59:08,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279678050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:08,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:59:08,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 14 [2023-11-29 04:59:08,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046036850] [2023-11-29 04:59:08,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:08,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:59:08,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:08,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:59:08,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:59:08,168 INFO L87 Difference]: Start difference. First operand 129 states and 157 transitions. Second operand has 11 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 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) [2023-11-29 04:59:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:08,411 INFO L93 Difference]: Finished difference Result 210 states and 254 transitions. [2023-11-29 04:59:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:59:08,412 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 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 51 [2023-11-29 04:59:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:08,413 INFO L225 Difference]: With dead ends: 210 [2023-11-29 04:59:08,413 INFO L226 Difference]: Without dead ends: 206 [2023-11-29 04:59:08,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:59:08,414 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 168 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:08,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 721 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:59:08,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-29 04:59:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 156. [2023-11-29 04:59:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 137 states have (on average 1.27007299270073) internal successors, (174), 141 states have internal predecessors, (174), 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) [2023-11-29 04:59:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 193 transitions. [2023-11-29 04:59:08,427 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 193 transitions. Word has length 51 [2023-11-29 04:59:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:08,428 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 193 transitions. [2023-11-29 04:59:08,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 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) [2023-11-29 04:59:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2023-11-29 04:59:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 04:59:08,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:08,429 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:08,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 04:59:08,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 04:59:08,635 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:08,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:08,635 INFO L85 PathProgramCache]: Analyzing trace with hash 171259012, now seen corresponding path program 1 times [2023-11-29 04:59:08,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:08,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484408311] [2023-11-29 04:59:08,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:08,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 04:59:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 04:59:08,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:08,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484408311] [2023-11-29 04:59:08,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484408311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:08,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:08,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:59:08,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399587960] [2023-11-29 04:59:08,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:08,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:59:08,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:08,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:59:08,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:08,704 INFO L87 Difference]: Start difference. First operand 156 states and 193 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-29 04:59:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:08,749 INFO L93 Difference]: Finished difference Result 252 states and 312 transitions. [2023-11-29 04:59:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:59:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 57 [2023-11-29 04:59:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:08,752 INFO L225 Difference]: With dead ends: 252 [2023-11-29 04:59:08,752 INFO L226 Difference]: Without dead ends: 162 [2023-11-29 04:59:08,752 INFO L412 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 [2023-11-29 04:59:08,753 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:08,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 157 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:08,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-29 04:59:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2023-11-29 04:59:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 141 states have (on average 1.2624113475177305) internal successors, (178), 145 states have internal predecessors, (178), 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) [2023-11-29 04:59:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 197 transitions. [2023-11-29 04:59:08,765 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 197 transitions. Word has length 57 [2023-11-29 04:59:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:08,765 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 197 transitions. [2023-11-29 04:59:08,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-29 04:59:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2023-11-29 04:59:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 04:59:08,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:08,767 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:08,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:59:08,767 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:08,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 98872454, now seen corresponding path program 1 times [2023-11-29 04:59:08,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:08,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401160142] [2023-11-29 04:59:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:08,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 04:59:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 04:59:08,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:08,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401160142] [2023-11-29 04:59:08,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401160142] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:08,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448882345] [2023-11-29 04:59:08,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:08,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:08,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:08,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:08,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 04:59:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 04:59:09,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 04:59:09,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:59:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 04:59:09,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448882345] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:09,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:59:09,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 9] total 13 [2023-11-29 04:59:09,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438159676] [2023-11-29 04:59:09,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:09,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:09,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:09,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:09,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:59:09,220 INFO L87 Difference]: Start difference. First operand 160 states and 197 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2023-11-29 04:59:09,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:09,341 INFO L93 Difference]: Finished difference Result 233 states and 284 transitions. [2023-11-29 04:59:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:59:09,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 57 [2023-11-29 04:59:09,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:09,344 INFO L225 Difference]: With dead ends: 233 [2023-11-29 04:59:09,344 INFO L226 Difference]: Without dead ends: 196 [2023-11-29 04:59:09,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:59:09,345 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 119 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:09,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 241 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:59:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-29 04:59:09,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 163. [2023-11-29 04:59:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 144 states have (on average 1.2569444444444444) internal successors, (181), 148 states have internal predecessors, (181), 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) [2023-11-29 04:59:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 200 transitions. [2023-11-29 04:59:09,362 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 200 transitions. Word has length 57 [2023-11-29 04:59:09,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:09,363 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 200 transitions. [2023-11-29 04:59:09,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2023-11-29 04:59:09,364 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2023-11-29 04:59:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 04:59:09,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:09,365 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:09,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 04:59:09,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:09,566 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:09,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:09,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1489475448, now seen corresponding path program 1 times [2023-11-29 04:59:09,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:09,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028646512] [2023-11-29 04:59:09,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 04:59:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 04:59:09,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:09,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028646512] [2023-11-29 04:59:09,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028646512] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:59:09,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061547785] [2023-11-29 04:59:09,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:09,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:59:09,860 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:59:09,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 04:59:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:09,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 04:59:09,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:59:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 04:59:10,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:59:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 04:59:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061547785] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:59:10,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:59:10,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 23 [2023-11-29 04:59:10,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97743209] [2023-11-29 04:59:10,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:59:10,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 04:59:10,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:10,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 04:59:10,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:59:10,368 INFO L87 Difference]: Start difference. First operand 163 states and 200 transitions. Second operand has 23 states, 20 states have (on average 3.75) internal successors, (75), 19 states have internal predecessors, (75), 5 states have call successors, (9), 2 states have call predecessors, (9), 5 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-29 04:59:11,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:11,050 INFO L93 Difference]: Finished difference Result 291 states and 354 transitions. [2023-11-29 04:59:11,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 04:59:11,051 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 3.75) internal successors, (75), 19 states have internal predecessors, (75), 5 states have call successors, (9), 2 states have call predecessors, (9), 5 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) Word has length 57 [2023-11-29 04:59:11,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:11,053 INFO L225 Difference]: With dead ends: 291 [2023-11-29 04:59:11,053 INFO L226 Difference]: Without dead ends: 224 [2023-11-29 04:59:11,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=186, Invalid=1296, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 04:59:11,054 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 586 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:11,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1018 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:59:11,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-29 04:59:11,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 167. [2023-11-29 04:59:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 148 states have (on average 1.2364864864864864) internal successors, (183), 152 states have internal predecessors, (183), 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) [2023-11-29 04:59:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 202 transitions. [2023-11-29 04:59:11,068 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 202 transitions. Word has length 57 [2023-11-29 04:59:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:11,069 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 202 transitions. [2023-11-29 04:59:11,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 3.75) internal successors, (75), 19 states have internal predecessors, (75), 5 states have call successors, (9), 2 states have call predecessors, (9), 5 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-29 04:59:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 202 transitions. [2023-11-29 04:59:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 04:59:11,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:11,070 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:11,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 04:59:11,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:59:11,271 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:11,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2008015688, now seen corresponding path program 1 times [2023-11-29 04:59:11,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:11,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254171977] [2023-11-29 04:59:11,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-29 04:59:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-29 04:59:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 04:59:11,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:11,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254171977] [2023-11-29 04:59:11,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254171977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:11,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:11,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:59:11,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494923321] [2023-11-29 04:59:11,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:11,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:59:11,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:11,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:59:11,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:59:11,649 INFO L87 Difference]: Start difference. First operand 167 states and 202 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2023-11-29 04:59:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:11,702 INFO L93 Difference]: Finished difference Result 173 states and 208 transitions. [2023-11-29 04:59:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:59:11,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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 57 [2023-11-29 04:59:11,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:11,704 INFO L225 Difference]: With dead ends: 173 [2023-11-29 04:59:11,704 INFO L226 Difference]: Without dead ends: 169 [2023-11-29 04:59:11,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:59:11,705 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 71 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:11,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 199 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:11,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-29 04:59:11,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 130. [2023-11-29 04:59:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 117 states have internal predecessors, (142), 7 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2023-11-29 04:59:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 157 transitions. [2023-11-29 04:59:11,718 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 157 transitions. Word has length 57 [2023-11-29 04:59:11,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:11,718 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 157 transitions. [2023-11-29 04:59:11,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2023-11-29 04:59:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 157 transitions. [2023-11-29 04:59:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 04:59:11,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:11,719 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:11,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:59:11,720 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:11,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1144617839, now seen corresponding path program 1 times [2023-11-29 04:59:11,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:11,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130401010] [2023-11-29 04:59:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 04:59:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 04:59:11,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130401010] [2023-11-29 04:59:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130401010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:11,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:11,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:59:11,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471125002] [2023-11-29 04:59:11,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:11,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:59:11,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:59:11,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:11,807 INFO L87 Difference]: Start difference. First operand 130 states and 157 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-29 04:59:11,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:11,829 INFO L93 Difference]: Finished difference Result 130 states and 157 transitions. [2023-11-29 04:59:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:59:11,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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 60 [2023-11-29 04:59:11,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:11,832 INFO L225 Difference]: With dead ends: 130 [2023-11-29 04:59:11,832 INFO L226 Difference]: Without dead ends: 125 [2023-11-29 04:59:11,832 INFO L412 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 [2023-11-29 04:59:11,833 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:11,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 134 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:11,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-29 04:59:11,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-11-29 04:59:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 113 states have (on average 1.2123893805309736) internal successors, (137), 113 states have internal predecessors, (137), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 04:59:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 150 transitions. [2023-11-29 04:59:11,844 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 150 transitions. Word has length 60 [2023-11-29 04:59:11,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:11,844 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 150 transitions. [2023-11-29 04:59:11,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-29 04:59:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions. [2023-11-29 04:59:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 04:59:11,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:11,846 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:11,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:59:11,846 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:11,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:11,846 INFO L85 PathProgramCache]: Analyzing trace with hash 599990261, now seen corresponding path program 1 times [2023-11-29 04:59:11,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:11,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412389047] [2023-11-29 04:59:11,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 04:59:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 04:59:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-29 04:59:11,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:11,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412389047] [2023-11-29 04:59:11,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412389047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:11,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:11,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:59:11,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896195519] [2023-11-29 04:59:11,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:11,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:59:11,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:11,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:59:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:11,944 INFO L87 Difference]: Start difference. First operand 125 states and 150 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:59:11,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:11,961 INFO L93 Difference]: Finished difference Result 138 states and 162 transitions. [2023-11-29 04:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:59:11,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2023-11-29 04:59:11,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:11,962 INFO L225 Difference]: With dead ends: 138 [2023-11-29 04:59:11,962 INFO L226 Difference]: Without dead ends: 125 [2023-11-29 04:59:11,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:59:11,963 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:11,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:11,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-29 04:59:11,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-11-29 04:59:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 113 states have internal predecessors, (136), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 04:59:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2023-11-29 04:59:11,974 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 69 [2023-11-29 04:59:11,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:11,974 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2023-11-29 04:59:11,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 04:59:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2023-11-29 04:59:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-29 04:59:11,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:59:11,975 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 04:59:11,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:59:11,976 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-29 04:59:11,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:59:11,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1305853014, now seen corresponding path program 1 times [2023-11-29 04:59:11,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:59:11,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160301117] [2023-11-29 04:59:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:59:11,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:59:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:59:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 04:59:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 04:59:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-29 04:59:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 04:59:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:59:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-29 04:59:12,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:59:12,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160301117] [2023-11-29 04:59:12,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160301117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:59:12,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:59:12,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:59:12,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176027688] [2023-11-29 04:59:12,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:59:12,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:59:12,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:59:12,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:59:12,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:59:12,134 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2023-11-29 04:59:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:59:12,156 INFO L93 Difference]: Finished difference Result 125 states and 149 transitions. [2023-11-29 04:59:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:59:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 70 [2023-11-29 04:59:12,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:59:12,157 INFO L225 Difference]: With dead ends: 125 [2023-11-29 04:59:12,157 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:59:12,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:59:12,158 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 5 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:59:12,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 187 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:59:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:59:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:59:12,159 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) [2023-11-29 04:59:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:59:12,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2023-11-29 04:59:12,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:59:12,160 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:59:12,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2023-11-29 04:59:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:59:12,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:59:12,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-29 04:59:12,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-29 04:59:12,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-29 04:59:12,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-29 04:59:12,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-29 04:59:12,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-29 04:59:12,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-29 04:59:12,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-29 04:59:12,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-29 04:59:12,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-29 04:59:12,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-29 04:59:12,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-29 04:59:12,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-29 04:59:12,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-29 04:59:12,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-29 04:59:12,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-29 04:59:12,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:59:12,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:59:13,354 INFO L899 garLoopResultBuilder]: For program point L60(lines 58 73) no Hoare annotation was computed. [2023-11-29 04:59:13,354 INFO L899 garLoopResultBuilder]: For program point base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-29 04:59:13,355 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 52) no Hoare annotation was computed. [2023-11-29 04:59:13,355 INFO L895 garLoopResultBuilder]: At program point L48-1(lines 38 53) the Hoare annotation is: (let ((.cse0 (< 127 |base2flt_#in~e|)) (.cse1 (< (+ 128 |base2flt_#in~e|) 0))) (and (or (< 0 (mod |base2flt_#in~m| 4294967296)) (not (= |base2flt_#in~e| 0))) (or .cse0 .cse1 (<= base2flt_~e 127)) (or (let ((.cse2 (not (= |base2flt_#in~m| 0)))) (and (or (< (mod base2flt_~__retres4~0 4294967296) 1) .cse2) (<= base2flt_~m (+ 33554431 (* (div base2flt_~m 4294967296) 4294967296))) (or .cse2 (< (mod |base2flt_#res| 4294967296) 1)))) .cse0 .cse1))) [2023-11-29 04:59:13,355 INFO L899 garLoopResultBuilder]: For program point base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2023-11-29 04:59:13,355 INFO L899 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point L77-3(line 77) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 76) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point $Ultimate##27(line 77) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,356 INFO L899 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,357 INFO L899 garLoopResultBuilder]: For program point L78-4(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,357 INFO L899 garLoopResultBuilder]: For program point L78-6(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,357 INFO L895 garLoopResultBuilder]: At program point L58-2(lines 58 73) the Hoare annotation is: (and (or (< 0 (mod |base2flt_#in~m| 4294967296)) (not (= |base2flt_#in~e| 0))) (or (< 127 |base2flt_#in~e|) (let ((.cse0 (not (= |base2flt_#in~m| 0)))) (and (<= 0 (+ 128 base2flt_~e)) (or (< (mod base2flt_~__retres4~0 4294967296) 1) .cse0) (<= base2flt_~e 127) (or .cse0 (< (mod |base2flt_#res| 4294967296) 1)))) (< (+ 128 |base2flt_#in~e|) 0))) [2023-11-29 04:59:13,357 INFO L899 garLoopResultBuilder]: For program point base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2023-11-29 04:59:13,357 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-29 04:59:13,357 INFO L899 garLoopResultBuilder]: For program point base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 25 83) the Hoare annotation is: true [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 35) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point L59(lines 58 73) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-29 04:59:13,358 INFO L899 garLoopResultBuilder]: For program point base2fltEXIT(lines 25 83) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L80(lines 29 82) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L39(lines 38 53) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 113) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 352) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L316-1(lines 316 352) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 288) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2023-11-29 04:59:13,359 INFO L899 garLoopResultBuilder]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2023-11-29 04:59:13,360 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,360 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 350) no Hoare annotation was computed. [2023-11-29 04:59:13,360 INFO L895 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~eb~2#1| 127) (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128)) (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128)) (<= |ULTIMATE.start_main_~ea~2#1| 127)) [2023-11-29 04:59:13,360 INFO L899 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2023-11-29 04:59:13,360 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2023-11-29 04:59:13,360 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 273) no Hoare annotation was computed. [2023-11-29 04:59:13,360 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2023-11-29 04:59:13,361 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,361 INFO L895 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~eb~2#1| 127) (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128)) (= |ULTIMATE.start_main_~zero~0#1| 0) (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128)) (<= |ULTIMATE.start_main_~ea~2#1| 127)) [2023-11-29 04:59:13,361 INFO L899 garLoopResultBuilder]: For program point L253-1(line 253) no Hoare annotation was computed. [2023-11-29 04:59:13,361 INFO L895 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~eb~2#1| 127)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128))) (.cse2 (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128))) (.cse3 (<= |ULTIMATE.start_main_~ea~2#1| 127))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~zero~0#1| 0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_main_~a~0#1| 0) .cse2 .cse3))) [2023-11-29 04:59:13,361 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2023-11-29 04:59:13,361 INFO L899 garLoopResultBuilder]: For program point $Ultimate##78(lines 318 327) no Hoare annotation was computed. [2023-11-29 04:59:13,361 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2023-11-29 04:59:13,361 INFO L899 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 265) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 250 356) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 113) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L142-1(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L142-2(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,362 INFO L899 garLoopResultBuilder]: For program point L142-4(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,363 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2023-11-29 04:59:13,363 INFO L899 garLoopResultBuilder]: For program point L142-6(line 142) no Hoare annotation was computed. [2023-11-29 04:59:13,363 INFO L902 garLoopResultBuilder]: At program point L341-1(lines 328 346) the Hoare annotation is: true [2023-11-29 04:59:13,363 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-29 04:59:13,363 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-11-29 04:59:13,363 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point L292(lines 280 307) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 110) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point L127-2(line 127) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L899 garLoopResultBuilder]: For program point L127-4(lines 127 138) no Hoare annotation was computed. [2023-11-29 04:59:13,364 INFO L895 garLoopResultBuilder]: At program point L127-6(lines 127 138) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~eb~2#1| 127)) (.cse1 (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128))) (.cse2 (= |ULTIMATE.start_main_~zero~0#1| 0)) (.cse3 (<= |ULTIMATE.start_addflt_~eb~0#1| |ULTIMATE.start_addflt_~ea~0#1|)) (.cse4 (<= (mod |ULTIMATE.start_addflt_~b#1| 4294967296) (mod |ULTIMATE.start_addflt_~a#1| 4294967296))) (.cse5 (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128))) (.cse6 (<= |ULTIMATE.start_main_~ea~2#1| 127)) (.cse7 (<= 0 (+ |ULTIMATE.start_addflt_~ea~0#1| 2147483648)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_addflt_~ea~0#1| 128) .cse5 .cse6 .cse7) (and (<= |ULTIMATE.start_addflt_~ea~0#1| 2147483519) .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_addflt_~ea~0#1| (+ 2147483647 |ULTIMATE.start_addflt_~eb~0#1|)) .cse4 .cse5 .cse6 .cse7))) [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L111-2(line 111) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L111-4(line 111) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 110) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L95-2(lines 94 147) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L145(lines 94 147) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L902 garLoopResultBuilder]: At program point L294-1(lines 294 303) the Hoare annotation is: true [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-11-29 04:59:13,365 INFO L899 garLoopResultBuilder]: For program point L113-1(line 113) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 312) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 250 356) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L114(line 114) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L114-2(line 114) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L114-4(line 114) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 309) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (and (<= |ULTIMATE.start_addflt_~ea~0#1| 127) (<= |ULTIMATE.start_main_~eb~2#1| 127) (<= 0 (+ |ULTIMATE.start_main_~ea~2#1| 128)) (= |ULTIMATE.start_main_~zero~0#1| 0) (<= |ULTIMATE.start_addflt_~ea~0#1| (+ 2147483647 |ULTIMATE.start_addflt_~eb~0#1|)) (<= (mod |ULTIMATE.start_addflt_~b#1| 4294967296) (mod |ULTIMATE.start_addflt_~a#1| 4294967296)) (<= 0 (+ |ULTIMATE.start_main_~eb~2#1| 128)) (<= |ULTIMATE.start_main_~ea~2#1| 127) (<= 0 (+ |ULTIMATE.start_addflt_~ea~0#1| 2147483648))) [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L115-1(line 115) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point L297-2(lines 297 301) no Hoare annotation was computed. [2023-11-29 04:59:13,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 290) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L902 garLoopResultBuilder]: At program point L281-2(lines 281 290) the Hoare annotation is: true [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 340) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L331-2(lines 330 346) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L117-2(lines 108 119) no Hoare annotation was computed. [2023-11-29 04:59:13,367 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 266 275) no Hoare annotation was computed. [2023-11-29 04:59:13,368 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-11-29 04:59:13,368 INFO L899 garLoopResultBuilder]: For program point L134-1(line 134) no Hoare annotation was computed. [2023-11-29 04:59:13,368 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 19) no Hoare annotation was computed. [2023-11-29 04:59:13,368 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 16 21) no Hoare annotation was computed. [2023-11-29 04:59:13,368 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 16 21) no Hoare annotation was computed. [2023-11-29 04:59:13,368 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 21) the Hoare annotation is: true [2023-11-29 04:59:13,371 INFO L445 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, 1] [2023-11-29 04:59:13,373 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:59:13,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:59:13 BoogieIcfgContainer [2023-11-29 04:59:13,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:59:13,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:59:13,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:59:13,384 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:59:13,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:59:00" (3/4) ... [2023-11-29 04:59:13,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:59:13,389 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2023-11-29 04:59:13,389 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 04:59:13,397 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 04:59:13,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 04:59:13,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:59:13,399 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:59:13,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (e <= 127))) && (((((((__retres4 % 4294967296) < 1) || !((\old(m) == 0))) && (m <= (33554431 + ((m / 4294967296) * 4294967296)))) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) || (127 < \old(e))) || ((128 + \old(e)) < 0))) [2023-11-29 04:59:13,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((((0 <= (128 + e)) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (e <= 127)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1)))) || ((128 + \old(e)) < 0))) [2023-11-29 04:59:13,461 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (e <= 127))) && (((((((__retres4 % 4294967296) < 1) || !((\old(m) == 0))) && (m <= (33554431 + ((m / 4294967296) * 4294967296)))) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) || (127 < \old(e))) || ((128 + \old(e)) < 0))) [2023-11-29 04:59:13,461 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((((0 <= (128 + e)) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (e <= 127)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1)))) || ((128 + \old(e)) < 0))) [2023-11-29 04:59:13,505 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:59:13,505 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:59:13,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:59:13,506 INFO L158 Benchmark]: Toolchain (without parser) took 13713.81ms. Allocated memory was 140.5MB in the beginning and 232.8MB in the end (delta: 92.3MB). Free memory was 94.7MB in the beginning and 198.2MB in the end (delta: -103.4MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,507 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:59:13,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.18ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 80.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.26ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,508 INFO L158 Benchmark]: Boogie Preprocessor took 48.69ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,508 INFO L158 Benchmark]: RCFGBuilder took 598.77ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 75.9MB in the beginning and 162.5MB in the end (delta: -86.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,509 INFO L158 Benchmark]: TraceAbstraction took 12570.45ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 162.5MB in the beginning and 70.4MB in the end (delta: 92.1MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,509 INFO L158 Benchmark]: Witness Printer took 121.57ms. Allocated memory is still 232.8MB. Free memory was 70.4MB in the beginning and 198.2MB in the end (delta: -127.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-29 04:59:13,511 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.18ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 80.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.26ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.69ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.77ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 75.9MB in the beginning and 162.5MB in the end (delta: -86.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12570.45ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 162.5MB in the beginning and 70.4MB in the end (delta: 92.1MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. * Witness Printer took 121.57ms. Allocated memory is still 232.8MB. Free memory was 70.4MB in the beginning and 198.2MB in the end (delta: -127.7MB). Peak memory consumption was 4.4MB. 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, 113 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 24, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2244 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2210 mSDsluCounter, 9308 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7180 mSDsCounter, 146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2481 IncrementalHoareTripleChecker+Invalid, 2627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 146 mSolverCounterUnsat, 2128 mSDtfsCounter, 2481 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 904 GetRequests, 705 SyntacticMatches, 2 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=20, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 24 MinimizatonAttempts, 603 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 84 PreInvPairs, 99 NumberOfFragments, 316 HoareAnnotationTreeSize, 84 FomulaSimplifications, 11597 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 12 FomulaSimplificationsInter, 2219 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1291 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1466 ConstructedInterpolants, 0 QuantifiedInterpolants, 2986 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1207 ConjunctsInSsa, 196 ConjunctsInUnsatCore, 37 InterpolantComputations, 21 PerfectInterpolantSequences, 356/408 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: ((((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((128 + \old(e)) < 0)) || (e <= 127))) && (((((((__retres4 % 4294967296) < 1) || !((\old(m) == 0))) && (m <= (33554431 + ((m / 4294967296) * 4294967296)))) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1))) || (127 < \old(e))) || ((128 + \old(e)) < 0))) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((0 < (\old(m) % 4294967296)) || !((\old(e) == 0))) && (((127 < \old(e)) || ((((0 <= (128 + e)) && (((__retres4 % 4294967296) < 1) || !((\old(m) == 0)))) && (e <= 127)) && (!((\old(m) == 0)) || ((\result % 4294967296) < 1)))) || ((128 + \old(e)) < 0))) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:59:13,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eafdc8-6e19-4215-9d99-d333efc07b33/bin/uautomizer-verify-BQ2R08f2Ya/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