./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 38b53e6a 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_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/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_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:29:53,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:29:53,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:29:53,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:29:53,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:29:53,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:29:53,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:29:53,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:29:53,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:29:53,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:29:53,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:29:53,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:29:53,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:29:53,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:29:53,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:29:53,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:29:53,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:29:53,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:29:53,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:29:53,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:29:53,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:29:53,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:29:53,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:29:53,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:29:53,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:29:53,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:29:53,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:29:53,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:29:53,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:29:53,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:29:53,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:29:53,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:29:53,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:29:53,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:29:53,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:29:53,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:29:53,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:29:53,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:29:53,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:29:53,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:29:53,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:29:53,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 18:29:53,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:29:53,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:29:53,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:29:53,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:29:53,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:29:53,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:29:53,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:29:53,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:29:53,358 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:29:53,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:29:53,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:29:53,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:29:53,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:29:53,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:29:53,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:29:53,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:29:53,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:29:53,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:29:53,362 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:29:53,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:29:53,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:29:53,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:29:53,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:29:53,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:29:53,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:29:53,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:29:53,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:29:53,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:29:53,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:29:53,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:29:53,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:29:53,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:29:53,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:29:53,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:29:53,367 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:29:53,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:29:53,368 INFO L138 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_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2022-11-25 18:29:53,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:29:53,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:29:53,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:29:53,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:29:53,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:29:53,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2022-11-25 18:29:56,771 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:29:57,000 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:29:57,001 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2022-11-25 18:29:57,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data/c2ee62374/cce6c81c33f24bd3b19c9b350656b23f/FLAGca2c66bff [2022-11-25 18:29:57,023 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data/c2ee62374/cce6c81c33f24bd3b19c9b350656b23f [2022-11-25 18:29:57,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:29:57,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:29:57,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:29:57,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:29:57,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:29:57,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd58756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57, skipping insertion in model container [2022-11-25 18:29:57,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:29:57,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:29:57,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c[755,768] [2022-11-25 18:29:57,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:29:57,277 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:29:57,287 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c[755,768] [2022-11-25 18:29:57,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:29:57,358 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:29:57,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57 WrapperNode [2022-11-25 18:29:57,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:29:57,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:29:57,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:29:57,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:29:57,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,409 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 212 [2022-11-25 18:29:57,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:29:57,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:29:57,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:29:57,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:29:57,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:29:57,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:29:57,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:29:57,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:29:57,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (1/1) ... [2022-11-25 18:29:57,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:29:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:29:57,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:29:57,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:29:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:29:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:29:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-11-25 18:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-11-25 18:29:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:29:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:29:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 18:29:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 18:29:57,703 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:29:57,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:29:58,361 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:29:58,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:29:58,381 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:29:58,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:29:58 BoogieIcfgContainer [2022-11-25 18:29:58,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:29:58,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:29:58,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:29:58,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:29:58,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:29:57" (1/3) ... [2022-11-25 18:29:58,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d53fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:29:58, skipping insertion in model container [2022-11-25 18:29:58,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:57" (2/3) ... [2022-11-25 18:29:58,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d53fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:29:58, skipping insertion in model container [2022-11-25 18:29:58,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:29:58" (3/3) ... [2022-11-25 18:29:58,391 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2022-11-25 18:29:58,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:29:58,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-25 18:29:58,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:29:58,471 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=LoopsAndPotentialCycles, 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;@7b2df8ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:29:58,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-25 18:29:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 97 states have (on average 1.690721649484536) internal successors, (164), 115 states have internal predecessors, (164), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 18:29:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 18:29:58,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:29:58,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:29:58,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:29:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:29:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1082296898, now seen corresponding path program 1 times [2022-11-25 18:29:58,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:29:58,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386052136] [2022-11-25 18:29:58,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:29:58,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:29:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:29:58,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:29:58,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386052136] [2022-11-25 18:29:58,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386052136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:29:58,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:29:58,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:29:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470575259] [2022-11-25 18:29:58,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:29:58,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:29:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:29:58,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:29:58,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:29:58,878 INFO L87 Difference]: Start difference. First operand has 124 states, 97 states have (on average 1.690721649484536) internal successors, (164), 115 states have internal predecessors, (164), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:29:59,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:29:59,030 INFO L93 Difference]: Finished difference Result 293 states and 444 transitions. [2022-11-25 18:29:59,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:29:59,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-25 18:29:59,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:29:59,042 INFO L225 Difference]: With dead ends: 293 [2022-11-25 18:29:59,043 INFO L226 Difference]: Without dead ends: 141 [2022-11-25 18:29:59,046 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 [2022-11-25 18:29:59,050 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 83 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:29:59,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 472 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:29:59,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-25 18:29:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2022-11-25 18:29:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 109 states have (on average 1.5229357798165137) internal successors, (166), 122 states have internal predecessors, (166), 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) [2022-11-25 18:29:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2022-11-25 18:29:59,099 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 9 [2022-11-25 18:29:59,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:29:59,100 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2022-11-25 18:29:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:29:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2022-11-25 18:29:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 18:29:59,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:29:59,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:29:59,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:29:59,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:29:59,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:29:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1427987682, now seen corresponding path program 1 times [2022-11-25 18:29:59,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:29:59,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339333848] [2022-11-25 18:29:59,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:29:59,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:29:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:29:59,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:29:59,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339333848] [2022-11-25 18:29:59,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339333848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:29:59,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:29:59,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:29:59,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302759892] [2022-11-25 18:29:59,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:29:59,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:29:59,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:29:59,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:29:59,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:29:59,245 INFO L87 Difference]: Start difference. First operand 131 states and 176 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) [2022-11-25 18:29:59,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:29:59,424 INFO L93 Difference]: Finished difference Result 251 states and 327 transitions. [2022-11-25 18:29:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:29:59,425 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 [2022-11-25 18:29:59,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:29:59,427 INFO L225 Difference]: With dead ends: 251 [2022-11-25 18:29:59,427 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 18:29:59,428 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 [2022-11-25 18:29:59,429 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 128 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:29:59,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 427 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:29:59,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 18:29:59,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2022-11-25 18:29:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 118 states have (on average 1.5084745762711864) internal successors, (178), 131 states have internal predecessors, (178), 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) [2022-11-25 18:29:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 188 transitions. [2022-11-25 18:29:59,449 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 188 transitions. Word has length 14 [2022-11-25 18:29:59,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:29:59,449 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 188 transitions. [2022-11-25 18:29:59,450 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) [2022-11-25 18:29:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2022-11-25 18:29:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 18:29:59,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:29:59,451 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:29:59,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:29:59,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:29:59,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:29:59,452 INFO L85 PathProgramCache]: Analyzing trace with hash -718487363, now seen corresponding path program 1 times [2022-11-25 18:29:59,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:29:59,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754907826] [2022-11-25 18:29:59,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:29:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:29:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:29:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:29:59,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:29:59,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754907826] [2022-11-25 18:29:59,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754907826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:29:59,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:29:59,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:29:59,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680419558] [2022-11-25 18:29:59,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:29:59,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:29:59,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:29:59,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:29:59,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:29:59,560 INFO L87 Difference]: Start difference. First operand 140 states and 188 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2022-11-25 18:29:59,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:29:59,620 INFO L93 Difference]: Finished difference Result 146 states and 195 transitions. [2022-11-25 18:29:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:29:59,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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 16 [2022-11-25 18:29:59,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:29:59,628 INFO L225 Difference]: With dead ends: 146 [2022-11-25 18:29:59,628 INFO L226 Difference]: Without dead ends: 145 [2022-11-25 18:29:59,629 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 [2022-11-25 18:29:59,630 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 4 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:29:59,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 217 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:29:59,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-25 18:29:59,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 138. [2022-11-25 18:29:59,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 117 states have (on average 1.4957264957264957) internal successors, (175), 129 states have internal predecessors, (175), 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) [2022-11-25 18:29:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2022-11-25 18:29:59,645 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 16 [2022-11-25 18:29:59,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:29:59,645 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2022-11-25 18:29:59,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2022-11-25 18:29:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2022-11-25 18:29:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 18:29:59,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:29:59,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:29:59,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:29:59,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:29:59,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:29:59,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1317945294, now seen corresponding path program 1 times [2022-11-25 18:29:59,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:29:59,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424809298] [2022-11-25 18:29:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:29:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:29:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:29:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:29:59,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424809298] [2022-11-25 18:29:59,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424809298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:29:59,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:29:59,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:29:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019504628] [2022-11-25 18:29:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:29:59,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:29:59,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:29:59,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:29:59,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:29:59,723 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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) [2022-11-25 18:29:59,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:29:59,834 INFO L93 Difference]: Finished difference Result 164 states and 212 transitions. [2022-11-25 18:29:59,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:29:59,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-25 18:29:59,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:29:59,837 INFO L225 Difference]: With dead ends: 164 [2022-11-25 18:29:59,837 INFO L226 Difference]: Without dead ends: 162 [2022-11-25 18:29:59,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:29:59,849 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 105 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:29:59,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 432 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:29:59,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-25 18:29:59,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2022-11-25 18:29:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 117 states have (on average 1.4786324786324787) internal successors, (173), 129 states have internal predecessors, (173), 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) [2022-11-25 18:29:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 183 transitions. [2022-11-25 18:29:59,868 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 183 transitions. Word has length 15 [2022-11-25 18:29:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:29:59,868 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 183 transitions. [2022-11-25 18:29:59,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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) [2022-11-25 18:29:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions. [2022-11-25 18:29:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 18:29:59,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:29:59,870 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:29:59,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:29:59,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:29:59,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:29:59,872 INFO L85 PathProgramCache]: Analyzing trace with hash -769644360, now seen corresponding path program 1 times [2022-11-25 18:29:59,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:29:59,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566651931] [2022-11-25 18:29:59,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:29:59,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:29:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:29:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:29:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:29:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:29:59,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566651931] [2022-11-25 18:29:59,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566651931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:29:59,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:29:59,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:29:59,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104615372] [2022-11-25 18:29:59,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:29:59,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:29:59,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:29:59,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:29:59,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:29:59,947 INFO L87 Difference]: Start difference. First operand 138 states and 183 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:30:00,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:00,109 INFO L93 Difference]: Finished difference Result 196 states and 259 transitions. [2022-11-25 18:30:00,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:00,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-25 18:30:00,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:00,113 INFO L225 Difference]: With dead ends: 196 [2022-11-25 18:30:00,113 INFO L226 Difference]: Without dead ends: 194 [2022-11-25 18:30:00,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:00,122 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 148 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:00,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 330 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:00,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-25 18:30:00,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 166. [2022-11-25 18:30:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 144 states have (on average 1.5) internal successors, (216), 156 states have internal predecessors, (216), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:30:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 226 transitions. [2022-11-25 18:30:00,153 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 226 transitions. Word has length 17 [2022-11-25 18:30:00,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:00,159 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 226 transitions. [2022-11-25 18:30:00,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:30:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2022-11-25 18:30:00,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 18:30:00,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:00,160 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:00,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:30:00,164 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:00,164 INFO L85 PathProgramCache]: Analyzing trace with hash -798271716, now seen corresponding path program 1 times [2022-11-25 18:30:00,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:00,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585002625] [2022-11-25 18:30:00,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:00,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:00,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:00,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585002625] [2022-11-25 18:30:00,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585002625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:00,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:00,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:30:00,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92938031] [2022-11-25 18:30:00,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:00,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:30:00,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:00,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:30:00,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:30:00,273 INFO L87 Difference]: Start difference. First operand 166 states and 226 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:30:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:00,364 INFO L93 Difference]: Finished difference Result 194 states and 258 transitions. [2022-11-25 18:30:00,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:00,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-25 18:30:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:00,366 INFO L225 Difference]: With dead ends: 194 [2022-11-25 18:30:00,366 INFO L226 Difference]: Without dead ends: 191 [2022-11-25 18:30:00,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:00,367 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 146 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:00,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 331 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:00,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-25 18:30:00,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 170. [2022-11-25 18:30:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 149 states have (on average 1.476510067114094) internal successors, (220), 160 states have internal predecessors, (220), 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) [2022-11-25 18:30:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 230 transitions. [2022-11-25 18:30:00,381 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 230 transitions. Word has length 17 [2022-11-25 18:30:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:00,381 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 230 transitions. [2022-11-25 18:30:00,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:30:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 230 transitions. [2022-11-25 18:30:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 18:30:00,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:00,383 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:00,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:30:00,383 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1282134665, now seen corresponding path program 1 times [2022-11-25 18:30:00,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:00,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491164930] [2022-11-25 18:30:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:00,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:00,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491164930] [2022-11-25 18:30:00,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491164930] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:00,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165547058] [2022-11-25 18:30:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:00,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:00,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:00,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:00,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:30:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:30:00,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:00,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:00,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165547058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:00,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:00,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 18:30:00,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752078851] [2022-11-25 18:30:00,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:00,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:00,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:00,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:00,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:30:00,605 INFO L87 Difference]: Start difference. First operand 170 states and 230 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:30:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:00,659 INFO L93 Difference]: Finished difference Result 210 states and 281 transitions. [2022-11-25 18:30:00,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:00,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-25 18:30:00,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:00,661 INFO L225 Difference]: With dead ends: 210 [2022-11-25 18:30:00,661 INFO L226 Difference]: Without dead ends: 209 [2022-11-25 18:30:00,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:30:00,662 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 17 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:00,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 240 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-11-25 18:30:00,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 165. [2022-11-25 18:30:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 144 states have (on average 1.4722222222222223) internal successors, (212), 155 states have internal predecessors, (212), 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) [2022-11-25 18:30:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 222 transitions. [2022-11-25 18:30:00,674 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 222 transitions. Word has length 17 [2022-11-25 18:30:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:00,675 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 222 transitions. [2022-11-25 18:30:00,675 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, (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) [2022-11-25 18:30:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 222 transitions. [2022-11-25 18:30:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 18:30:00,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:00,676 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:00,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:00,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:00,882 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:00,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash -634582064, now seen corresponding path program 1 times [2022-11-25 18:30:00,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:00,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009746825] [2022-11-25 18:30:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:00,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:30:00,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:00,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009746825] [2022-11-25 18:30:00,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009746825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:00,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:00,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:30:00,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089197518] [2022-11-25 18:30:00,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:00,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:00,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:00,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:00,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:00,937 INFO L87 Difference]: Start difference. First operand 165 states and 222 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-25 18:30:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:01,022 INFO L93 Difference]: Finished difference Result 211 states and 280 transitions. [2022-11-25 18:30:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:01,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19 [2022-11-25 18:30:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:01,026 INFO L225 Difference]: With dead ends: 211 [2022-11-25 18:30:01,027 INFO L226 Difference]: Without dead ends: 210 [2022-11-25 18:30:01,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:01,028 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 17 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:01,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 330 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:01,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-11-25 18:30:01,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 165. [2022-11-25 18:30:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 144 states have (on average 1.4583333333333333) internal successors, (210), 155 states have internal predecessors, (210), 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) [2022-11-25 18:30:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 220 transitions. [2022-11-25 18:30:01,044 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 220 transitions. Word has length 19 [2022-11-25 18:30:01,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:01,045 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 220 transitions. [2022-11-25 18:30:01,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-25 18:30:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 220 transitions. [2022-11-25 18:30:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 18:30:01,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:01,049 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:01,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:30:01,050 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:01,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:01,051 INFO L85 PathProgramCache]: Analyzing trace with hash 569253557, now seen corresponding path program 1 times [2022-11-25 18:30:01,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:01,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212938956] [2022-11-25 18:30:01,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:30:01,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:01,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212938956] [2022-11-25 18:30:01,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212938956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:01,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:01,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:30:01,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553333819] [2022-11-25 18:30:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:01,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:30:01,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:01,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:30:01,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:30:01,150 INFO L87 Difference]: Start difference. First operand 165 states and 220 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:30:01,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:01,237 INFO L93 Difference]: Finished difference Result 189 states and 251 transitions. [2022-11-25 18:30:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:01,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-25 18:30:01,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:01,241 INFO L225 Difference]: With dead ends: 189 [2022-11-25 18:30:01,241 INFO L226 Difference]: Without dead ends: 187 [2022-11-25 18:30:01,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:01,244 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 140 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:01,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 332 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:01,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-25 18:30:01,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 159. [2022-11-25 18:30:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 140 states have (on average 1.4357142857142857) 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) [2022-11-25 18:30:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 211 transitions. [2022-11-25 18:30:01,263 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 211 transitions. Word has length 24 [2022-11-25 18:30:01,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:01,265 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 211 transitions. [2022-11-25 18:30:01,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:30:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-11-25 18:30:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 18:30:01,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:01,266 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:01,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:30:01,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:01,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash 540626201, now seen corresponding path program 1 times [2022-11-25 18:30:01,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:01,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147185425] [2022-11-25 18:30:01,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:30:01,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:01,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147185425] [2022-11-25 18:30:01,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147185425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:01,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:01,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:30:01,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111886831] [2022-11-25 18:30:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:01,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:30:01,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:30:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:30:01,348 INFO L87 Difference]: Start difference. First operand 159 states and 211 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:30:01,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:01,431 INFO L93 Difference]: Finished difference Result 181 states and 239 transitions. [2022-11-25 18:30:01,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:01,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-25 18:30:01,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:01,433 INFO L225 Difference]: With dead ends: 181 [2022-11-25 18:30:01,434 INFO L226 Difference]: Without dead ends: 179 [2022-11-25 18:30:01,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:01,436 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 139 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:01,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 330 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-25 18:30:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 150. [2022-11-25 18:30:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 133 states have (on average 1.4210526315789473) internal successors, (189), 140 states have internal predecessors, (189), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:30:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 199 transitions. [2022-11-25 18:30:01,480 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 199 transitions. Word has length 24 [2022-11-25 18:30:01,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:01,480 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 199 transitions. [2022-11-25 18:30:01,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:30:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 199 transitions. [2022-11-25 18:30:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 18:30:01,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:01,482 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:01,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:30:01,482 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:01,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:01,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1447606308, now seen corresponding path program 1 times [2022-11-25 18:30:01,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:01,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793803360] [2022-11-25 18:30:01,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:30:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:01,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:01,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793803360] [2022-11-25 18:30:01,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793803360] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:01,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482345026] [2022-11-25 18:30:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:01,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:01,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:30:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 18:30:01,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:30:01,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:02,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482345026] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:02,036 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:02,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 16 [2022-11-25 18:30:02,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499597602] [2022-11-25 18:30:02,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:02,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 18:30:02,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 18:30:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:30:02,038 INFO L87 Difference]: Start difference. First operand 150 states and 199 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 14 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-25 18:30:02,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:02,515 INFO L93 Difference]: Finished difference Result 413 states and 537 transitions. [2022-11-25 18:30:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 18:30:02,516 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 14 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 31 [2022-11-25 18:30:02,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:02,517 INFO L225 Difference]: With dead ends: 413 [2022-11-25 18:30:02,518 INFO L226 Difference]: Without dead ends: 246 [2022-11-25 18:30:02,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:30:02,519 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 282 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:02,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1085 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:30:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-25 18:30:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 118. [2022-11-25 18:30:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 101 states have (on average 1.386138613861386) internal successors, (140), 108 states have internal predecessors, (140), 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) [2022-11-25 18:30:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2022-11-25 18:30:02,531 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 31 [2022-11-25 18:30:02,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:02,531 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2022-11-25 18:30:02,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 14 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-25 18:30:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2022-11-25 18:30:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 18:30:02,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:02,533 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:02,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:02,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:02,739 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:02,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:02,739 INFO L85 PathProgramCache]: Analyzing trace with hash -263788851, now seen corresponding path program 1 times [2022-11-25 18:30:02,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:02,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993639737] [2022-11-25 18:30:02,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:02,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:02,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993639737] [2022-11-25 18:30:02,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993639737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:02,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:02,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:30:02,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739089276] [2022-11-25 18:30:02,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:02,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:02,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:30:02,862 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:03,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:03,026 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2022-11-25 18:30:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:30:03,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2022-11-25 18:30:03,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:03,028 INFO L225 Difference]: With dead ends: 272 [2022-11-25 18:30:03,029 INFO L226 Difference]: Without dead ends: 207 [2022-11-25 18:30:03,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:30:03,030 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 140 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:03,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 712 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:03,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-11-25 18:30:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 118. [2022-11-25 18:30:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 108 states have internal predecessors, (138), 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) [2022-11-25 18:30:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 148 transitions. [2022-11-25 18:30:03,042 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 148 transitions. Word has length 36 [2022-11-25 18:30:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:03,043 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 148 transitions. [2022-11-25 18:30:03,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2022-11-25 18:30:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 18:30:03,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:03,044 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:03,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:30:03,044 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:03,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:03,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1233298428, now seen corresponding path program 2 times [2022-11-25 18:30:03,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:03,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303422703] [2022-11-25 18:30:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:03,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:30:03,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:03,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303422703] [2022-11-25 18:30:03,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303422703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:03,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:03,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:30:03,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464360833] [2022-11-25 18:30:03,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:03,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:03,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:03,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:03,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:30:03,196 INFO L87 Difference]: Start difference. First operand 118 states and 148 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:03,460 INFO L93 Difference]: Finished difference Result 398 states and 491 transitions. [2022-11-25 18:30:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:30:03,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-11-25 18:30:03,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:03,463 INFO L225 Difference]: With dead ends: 398 [2022-11-25 18:30:03,463 INFO L226 Difference]: Without dead ends: 354 [2022-11-25 18:30:03,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:03,464 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 345 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:03,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 835 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:03,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-25 18:30:03,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 146. [2022-11-25 18:30:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 128 states have (on average 1.375) internal successors, (176), 135 states have internal predecessors, (176), 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) [2022-11-25 18:30:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 187 transitions. [2022-11-25 18:30:03,479 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 187 transitions. Word has length 40 [2022-11-25 18:30:03,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:03,480 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 187 transitions. [2022-11-25 18:30:03,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 187 transitions. [2022-11-25 18:30:03,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 18:30:03,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:03,481 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:03,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:30:03,481 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:03,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:03,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1233300350, now seen corresponding path program 1 times [2022-11-25 18:30:03,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:03,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474161393] [2022-11-25 18:30:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:03,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:30:03,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:03,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474161393] [2022-11-25 18:30:03,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474161393] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:03,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528385190] [2022-11-25 18:30:03,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:03,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:03,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:03,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:03,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:30:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-25 18:30:03,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:30:03,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:03,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528385190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:03,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:03,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2022-11-25 18:30:03,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331688694] [2022-11-25 18:30:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:03,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:30:03,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:03,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:30:03,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:03,846 INFO L87 Difference]: Start difference. First operand 146 states and 187 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:30:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:04,055 INFO L93 Difference]: Finished difference Result 328 states and 423 transitions. [2022-11-25 18:30:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:30:04,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-11-25 18:30:04,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:04,058 INFO L225 Difference]: With dead ends: 328 [2022-11-25 18:30:04,058 INFO L226 Difference]: Without dead ends: 253 [2022-11-25 18:30:04,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:30:04,059 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 155 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:04,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 756 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-11-25 18:30:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 173. [2022-11-25 18:30:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 153 states have (on average 1.3333333333333333) internal successors, (204), 159 states have internal predecessors, (204), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (9), 9 states have call predecessors, (9), 6 states have call successors, (9) [2022-11-25 18:30:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2022-11-25 18:30:04,076 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 40 [2022-11-25 18:30:04,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:04,077 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2022-11-25 18:30:04,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:30:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2022-11-25 18:30:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 18:30:04,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:04,079 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:04,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:04,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:04,284 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:04,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1534296279, now seen corresponding path program 1 times [2022-11-25 18:30:04,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:04,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681502138] [2022-11-25 18:30:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:04,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:04,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:04,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681502138] [2022-11-25 18:30:04,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681502138] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:04,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164535716] [2022-11-25 18:30:04,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:04,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:04,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:04,486 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:04,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:30:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:04,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-25 18:30:04,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:04,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:04,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164535716] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:04,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:30:04,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 11] total 19 [2022-11-25 18:30:04,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355965521] [2022-11-25 18:30:04,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:04,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:04,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:04,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:30:04,956 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:05,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:05,187 INFO L93 Difference]: Finished difference Result 338 states and 419 transitions. [2022-11-25 18:30:05,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:30:05,188 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-11-25 18:30:05,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:05,189 INFO L225 Difference]: With dead ends: 338 [2022-11-25 18:30:05,190 INFO L226 Difference]: Without dead ends: 274 [2022-11-25 18:30:05,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:30:05,191 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 92 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:05,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1048 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:05,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-11-25 18:30:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 173. [2022-11-25 18:30:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 153 states have (on average 1.326797385620915) internal successors, (203), 159 states have internal predecessors, (203), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (9), 9 states have call predecessors, (9), 6 states have call successors, (9) [2022-11-25 18:30:05,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 218 transitions. [2022-11-25 18:30:05,204 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 218 transitions. Word has length 45 [2022-11-25 18:30:05,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:05,204 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 218 transitions. [2022-11-25 18:30:05,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 218 transitions. [2022-11-25 18:30:05,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 18:30:05,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:05,205 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:05,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:05,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 18:30:05,411 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:05,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:05,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1629363291, now seen corresponding path program 1 times [2022-11-25 18:30:05,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:05,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315499732] [2022-11-25 18:30:05,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:05,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:05,484 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,486 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,493 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,497 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,498 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,500 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,501 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,505 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,507 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,508 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2022-11-25 18:30:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:05,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:05,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315499732] [2022-11-25 18:30:05,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315499732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:05,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:05,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:30:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377348120] [2022-11-25 18:30:05,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:05,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:30:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:30:05,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:30:05,634 INFO L87 Difference]: Start difference. First operand 173 states and 218 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:05,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:05,982 INFO L93 Difference]: Finished difference Result 458 states and 564 transitions. [2022-11-25 18:30:05,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:30:05,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2022-11-25 18:30:05,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:05,986 INFO L225 Difference]: With dead ends: 458 [2022-11-25 18:30:05,986 INFO L226 Difference]: Without dead ends: 414 [2022-11-25 18:30:05,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:30:05,987 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 353 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:05,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 1546 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:05,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-25 18:30:06,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 184. [2022-11-25 18:30:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 163 states have (on average 1.3251533742331287) internal successors, (216), 168 states have internal predecessors, (216), 6 states have call successors, (6), 4 states have call predecessors, (6), 7 states have return successors, (11), 11 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-25 18:30:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 233 transitions. [2022-11-25 18:30:06,007 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 233 transitions. Word has length 47 [2022-11-25 18:30:06,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:06,008 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 233 transitions. [2022-11-25 18:30:06,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions. [2022-11-25 18:30:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 18:30:06,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:06,009 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:06,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 18:30:06,010 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:06,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:06,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1629365213, now seen corresponding path program 1 times [2022-11-25 18:30:06,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:06,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218312339] [2022-11-25 18:30:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:06,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:06,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218312339] [2022-11-25 18:30:06,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218312339] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:06,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369278268] [2022-11-25 18:30:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:06,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:06,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:06,333 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:06,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:30:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:06,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 18:30:06,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 18:30:06,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:06,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369278268] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:06,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:06,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 6] total 18 [2022-11-25 18:30:06,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007576253] [2022-11-25 18:30:06,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:06,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:30:06,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:06,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:30:06,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:30:06,640 INFO L87 Difference]: Start difference. First operand 184 states and 233 transitions. Second operand has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 15 states have internal predecessors, (57), 4 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-25 18:30:07,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:07,056 INFO L93 Difference]: Finished difference Result 384 states and 489 transitions. [2022-11-25 18:30:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 18:30:07,057 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 15 states have internal predecessors, (57), 4 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 47 [2022-11-25 18:30:07,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:07,058 INFO L225 Difference]: With dead ends: 384 [2022-11-25 18:30:07,059 INFO L226 Difference]: Without dead ends: 289 [2022-11-25 18:30:07,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:30:07,060 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 276 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:07,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 923 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:07,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-25 18:30:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 181. [2022-11-25 18:30:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 160 states have (on average 1.2875) internal successors, (206), 166 states have internal predecessors, (206), 6 states have call successors, (6), 4 states have call predecessors, (6), 7 states have return successors, (11), 10 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-25 18:30:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 223 transitions. [2022-11-25 18:30:07,076 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 223 transitions. Word has length 47 [2022-11-25 18:30:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:07,076 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 223 transitions. [2022-11-25 18:30:07,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 15 states have internal predecessors, (57), 4 states have call successors, (6), 1 states have call predecessors, (6), 5 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-25 18:30:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 223 transitions. [2022-11-25 18:30:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 18:30:07,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:07,077 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:07,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:07,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 18:30:07,283 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:07,284 INFO L85 PathProgramCache]: Analyzing trace with hash -979613383, now seen corresponding path program 1 times [2022-11-25 18:30:07,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:07,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891019695] [2022-11-25 18:30:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:07,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:07,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:07,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891019695] [2022-11-25 18:30:07,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891019695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:07,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:07,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 18:30:07,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496901607] [2022-11-25 18:30:07,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:07,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:30:07,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:30:07,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:30:07,623 INFO L87 Difference]: Start difference. First operand 181 states and 223 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:08,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:08,187 INFO L93 Difference]: Finished difference Result 478 states and 589 transitions. [2022-11-25 18:30:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:30:08,188 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-11-25 18:30:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:08,190 INFO L225 Difference]: With dead ends: 478 [2022-11-25 18:30:08,190 INFO L226 Difference]: Without dead ends: 476 [2022-11-25 18:30:08,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:30:08,191 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 380 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:08,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1541 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:30:08,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-11-25 18:30:08,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 220. [2022-11-25 18:30:08,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 198 states have (on average 1.297979797979798) internal successors, (257), 203 states have internal predecessors, (257), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (13), 12 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-25 18:30:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 276 transitions. [2022-11-25 18:30:08,212 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 276 transitions. Word has length 49 [2022-11-25 18:30:08,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:08,213 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 276 transitions. [2022-11-25 18:30:08,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 276 transitions. [2022-11-25 18:30:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 18:30:08,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:08,214 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:08,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 18:30:08,215 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:08,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash -922355081, now seen corresponding path program 1 times [2022-11-25 18:30:08,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:08,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169226859] [2022-11-25 18:30:08,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:08,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:30:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:08,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:08,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169226859] [2022-11-25 18:30:08,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169226859] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:08,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402261990] [2022-11-25 18:30:08,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:08,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:08,403 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:08,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:30:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:08,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 18:30:08,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:08,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:08,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402261990] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:08,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:08,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-25 18:30:08,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087776329] [2022-11-25 18:30:08,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:08,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:30:08,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:08,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:30:08,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:08,868 INFO L87 Difference]: Start difference. First operand 220 states and 276 transitions. Second operand has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:09,123 INFO L93 Difference]: Finished difference Result 424 states and 534 transitions. [2022-11-25 18:30:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:30:09,124 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 49 [2022-11-25 18:30:09,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:09,126 INFO L225 Difference]: With dead ends: 424 [2022-11-25 18:30:09,127 INFO L226 Difference]: Without dead ends: 353 [2022-11-25 18:30:09,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:30:09,128 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 217 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:09,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 982 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:09,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-25 18:30:09,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 246. [2022-11-25 18:30:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 224 states have (on average 1.2767857142857142) internal successors, (286), 229 states have internal predecessors, (286), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (13), 12 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-25 18:30:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 305 transitions. [2022-11-25 18:30:09,151 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 305 transitions. Word has length 49 [2022-11-25 18:30:09,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:09,152 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 305 transitions. [2022-11-25 18:30:09,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 305 transitions. [2022-11-25 18:30:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 18:30:09,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:09,154 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:09,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:09,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:09,369 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:09,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2043366347, now seen corresponding path program 2 times [2022-11-25 18:30:09,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:09,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881521755] [2022-11-25 18:30:09,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:09,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881521755] [2022-11-25 18:30:09,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881521755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:09,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57957089] [2022-11-25 18:30:09,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:30:09,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:09,624 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:09,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 18:30:09,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:30:09,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:30:09,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 18:30:09,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:09,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:09,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57957089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:09,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:09,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 13 [2022-11-25 18:30:09,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541532097] [2022-11-25 18:30:09,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:09,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:30:09,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:09,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:30:09,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:09,827 INFO L87 Difference]: Start difference. First operand 246 states and 305 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:09,924 INFO L93 Difference]: Finished difference Result 457 states and 564 transitions. [2022-11-25 18:30:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:30:09,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-11-25 18:30:09,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:09,926 INFO L225 Difference]: With dead ends: 457 [2022-11-25 18:30:09,927 INFO L226 Difference]: Without dead ends: 378 [2022-11-25 18:30:09,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:30:09,928 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 162 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:09,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 591 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2022-11-25 18:30:09,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 252. [2022-11-25 18:30:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 230 states have (on average 1.2695652173913043) internal successors, (292), 234 states have internal predecessors, (292), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (13), 13 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-25 18:30:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 311 transitions. [2022-11-25 18:30:09,950 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 311 transitions. Word has length 49 [2022-11-25 18:30:09,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:09,951 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 311 transitions. [2022-11-25 18:30:09,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 311 transitions. [2022-11-25 18:30:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 18:30:09,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:09,952 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:09,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-25 18:30:10,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:10,165 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:10,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:10,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1363307977, now seen corresponding path program 1 times [2022-11-25 18:30:10,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:10,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309763970] [2022-11-25 18:30:10,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:10,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:10,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309763970] [2022-11-25 18:30:10,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309763970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:10,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:10,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:30:10,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973158276] [2022-11-25 18:30:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:10,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:10,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:10,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:10,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:30:10,419 INFO L87 Difference]: Start difference. First operand 252 states and 311 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:10,692 INFO L93 Difference]: Finished difference Result 470 states and 573 transitions. [2022-11-25 18:30:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:30:10,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-11-25 18:30:10,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:10,695 INFO L225 Difference]: With dead ends: 470 [2022-11-25 18:30:10,696 INFO L226 Difference]: Without dead ends: 436 [2022-11-25 18:30:10,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:30:10,697 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 236 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:10,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1033 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:10,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-11-25 18:30:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 263. [2022-11-25 18:30:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 241 states have (on average 1.2780082987551866) internal successors, (308), 245 states have internal predecessors, (308), 6 states have call successors, (6), 4 states have call predecessors, (6), 8 states have return successors, (13), 13 states have call predecessors, (13), 6 states have call successors, (13) [2022-11-25 18:30:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 327 transitions. [2022-11-25 18:30:10,721 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 327 transitions. Word has length 49 [2022-11-25 18:30:10,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:10,722 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 327 transitions. [2022-11-25 18:30:10,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 327 transitions. [2022-11-25 18:30:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 18:30:10,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:10,723 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:10,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 18:30:10,724 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:10,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1420566279, now seen corresponding path program 1 times [2022-11-25 18:30:10,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:10,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500079828] [2022-11-25 18:30:10,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:11,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500079828] [2022-11-25 18:30:11,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500079828] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:11,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475119924] [2022-11-25 18:30:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:11,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:11,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:11,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 18:30:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:11,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-25 18:30:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:11,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:12,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475119924] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:12,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 21 [2022-11-25 18:30:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523221781] [2022-11-25 18:30:12,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:12,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-25 18:30:12,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:12,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-25 18:30:12,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:30:12,086 INFO L87 Difference]: Start difference. First operand 263 states and 327 transitions. Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 19 states have internal predecessors, (85), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-25 18:30:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:13,679 INFO L93 Difference]: Finished difference Result 828 states and 1030 transitions. [2022-11-25 18:30:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:30:13,680 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 19 states have internal predecessors, (85), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) Word has length 49 [2022-11-25 18:30:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:13,684 INFO L225 Difference]: With dead ends: 828 [2022-11-25 18:30:13,684 INFO L226 Difference]: Without dead ends: 761 [2022-11-25 18:30:13,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=220, Invalid=1340, Unknown=0, NotChecked=0, Total=1560 [2022-11-25 18:30:13,687 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 728 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:13,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 2993 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:30:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-25 18:30:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 322. [2022-11-25 18:30:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 298 states have (on average 1.2885906040268456) internal successors, (384), 299 states have internal predecessors, (384), 7 states have call successors, (7), 4 states have call predecessors, (7), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-25 18:30:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 409 transitions. [2022-11-25 18:30:13,738 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 409 transitions. Word has length 49 [2022-11-25 18:30:13,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:13,739 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 409 transitions. [2022-11-25 18:30:13,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 19 states have internal predecessors, (85), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-25 18:30:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 409 transitions. [2022-11-25 18:30:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 18:30:13,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:13,741 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:13,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:13,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:13,947 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:13,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1337688143, now seen corresponding path program 1 times [2022-11-25 18:30:13,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:13,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987098441] [2022-11-25 18:30:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:13,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:30:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:14,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:14,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987098441] [2022-11-25 18:30:14,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987098441] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:14,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744229427] [2022-11-25 18:30:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:14,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:14,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:14,038 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:14,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 18:30:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:30:14,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:30:14,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:14,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744229427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:14,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:14,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2022-11-25 18:30:14,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5445956] [2022-11-25 18:30:14,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:14,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:14,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:14,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:14,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:14,142 INFO L87 Difference]: Start difference. First operand 322 states and 409 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:30:14,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:14,194 INFO L93 Difference]: Finished difference Result 556 states and 708 transitions. [2022-11-25 18:30:14,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:14,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-25 18:30:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:14,197 INFO L225 Difference]: With dead ends: 556 [2022-11-25 18:30:14,197 INFO L226 Difference]: Without dead ends: 354 [2022-11-25 18:30:14,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:14,198 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 4 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:14,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 307 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:14,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-25 18:30:14,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 338. [2022-11-25 18:30:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 314 states have (on average 1.2738853503184713) internal successors, (400), 315 states have internal predecessors, (400), 7 states have call successors, (7), 4 states have call predecessors, (7), 9 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-25 18:30:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 425 transitions. [2022-11-25 18:30:14,224 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 425 transitions. Word has length 50 [2022-11-25 18:30:14,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:14,224 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 425 transitions. [2022-11-25 18:30:14,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 18:30:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 425 transitions. [2022-11-25 18:30:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 18:30:14,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:14,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:14,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:14,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-25 18:30:14,432 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1922597599, now seen corresponding path program 1 times [2022-11-25 18:30:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916994832] [2022-11-25 18:30:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:30:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:14,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916994832] [2022-11-25 18:30:14,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916994832] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:14,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011366580] [2022-11-25 18:30:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:14,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:14,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:14,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:14,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 18:30:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:14,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-25 18:30:14,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:30:15,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:16,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011366580] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:16,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:16,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2022-11-25 18:30:16,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358041760] [2022-11-25 18:30:16,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:16,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-25 18:30:16,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:16,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-25 18:30:16,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2022-11-25 18:30:16,213 INFO L87 Difference]: Start difference. First operand 338 states and 425 transitions. Second operand has 39 states, 36 states have (on average 2.5277777777777777) internal successors, (91), 33 states have internal predecessors, (91), 4 states have call successors, (5), 1 states have call predecessors, (5), 6 states have return successors, (7), 7 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-25 18:30:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:18,633 INFO L93 Difference]: Finished difference Result 909 states and 1174 transitions. [2022-11-25 18:30:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-25 18:30:18,634 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 36 states have (on average 2.5277777777777777) internal successors, (91), 33 states have internal predecessors, (91), 4 states have call successors, (5), 1 states have call predecessors, (5), 6 states have return successors, (7), 7 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2022-11-25 18:30:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:18,638 INFO L225 Difference]: With dead ends: 909 [2022-11-25 18:30:18,638 INFO L226 Difference]: Without dead ends: 860 [2022-11-25 18:30:18,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=342, Invalid=3690, Unknown=0, NotChecked=0, Total=4032 [2022-11-25 18:30:18,640 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 625 mSDsluCounter, 4975 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 5180 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:18,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 5180 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 18:30:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-11-25 18:30:18,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 381. [2022-11-25 18:30:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 351 states have (on average 1.2678062678062678) internal successors, (445), 353 states have internal predecessors, (445), 10 states have call successors, (10), 4 states have call predecessors, (10), 12 states have return successors, (33), 23 states have call predecessors, (33), 10 states have call successors, (33) [2022-11-25 18:30:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 488 transitions. [2022-11-25 18:30:18,677 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 488 transitions. Word has length 51 [2022-11-25 18:30:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:18,677 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 488 transitions. [2022-11-25 18:30:18,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 36 states have (on average 2.5277777777777777) internal successors, (91), 33 states have internal predecessors, (91), 4 states have call successors, (5), 1 states have call predecessors, (5), 6 states have return successors, (7), 7 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-25 18:30:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 488 transitions. [2022-11-25 18:30:18,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 18:30:18,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:18,679 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:18,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:18,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-25 18:30:18,885 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:18,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:18,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1899965345, now seen corresponding path program 1 times [2022-11-25 18:30:18,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:18,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938750957] [2022-11-25 18:30:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:18,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:30:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:19,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:19,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938750957] [2022-11-25 18:30:19,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938750957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:19,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:19,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:30:19,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754369236] [2022-11-25 18:30:19,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:19,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:30:19,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:19,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:30:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:30:19,181 INFO L87 Difference]: Start difference. First operand 381 states and 488 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:20,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 18:30:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:21,167 INFO L93 Difference]: Finished difference Result 508 states and 640 transitions. [2022-11-25 18:30:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:30:21,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2022-11-25 18:30:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:21,170 INFO L225 Difference]: With dead ends: 508 [2022-11-25 18:30:21,170 INFO L226 Difference]: Without dead ends: 507 [2022-11-25 18:30:21,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:21,171 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 263 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:21,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 873 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 18:30:21,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-11-25 18:30:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 379. [2022-11-25 18:30:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 349 states have (on average 1.2664756446991403) internal successors, (442), 351 states have internal predecessors, (442), 10 states have call successors, (10), 4 states have call predecessors, (10), 12 states have return successors, (33), 23 states have call predecessors, (33), 10 states have call successors, (33) [2022-11-25 18:30:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 485 transitions. [2022-11-25 18:30:21,254 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 485 transitions. Word has length 51 [2022-11-25 18:30:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:21,254 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 485 transitions. [2022-11-25 18:30:21,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 485 transitions. [2022-11-25 18:30:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-25 18:30:21,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:21,257 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:21,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 18:30:21,258 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:21,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:21,259 INFO L85 PathProgramCache]: Analyzing trace with hash 907880989, now seen corresponding path program 1 times [2022-11-25 18:30:21,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:21,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987335282] [2022-11-25 18:30:21,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:21,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:21,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:21,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987335282] [2022-11-25 18:30:21,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987335282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:21,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:21,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:30:21,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242173888] [2022-11-25 18:30:21,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:21,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:21,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:21,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:21,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:30:21,416 INFO L87 Difference]: Start difference. First operand 379 states and 485 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:21,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:21,640 INFO L93 Difference]: Finished difference Result 560 states and 702 transitions. [2022-11-25 18:30:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:30:21,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2022-11-25 18:30:21,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:21,643 INFO L225 Difference]: With dead ends: 560 [2022-11-25 18:30:21,643 INFO L226 Difference]: Without dead ends: 517 [2022-11-25 18:30:21,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:21,645 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 341 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:21,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 615 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:21,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-11-25 18:30:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 363. [2022-11-25 18:30:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 335 states have internal predecessors, (419), 10 states have call successors, (10), 4 states have call predecessors, (10), 12 states have return successors, (33), 23 states have call predecessors, (33), 10 states have call successors, (33) [2022-11-25 18:30:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 462 transitions. [2022-11-25 18:30:21,680 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 462 transitions. Word has length 55 [2022-11-25 18:30:21,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:21,680 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 462 transitions. [2022-11-25 18:30:21,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 18:30:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 462 transitions. [2022-11-25 18:30:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 18:30:21,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:21,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:21,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 18:30:21,683 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:21,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:21,684 INFO L85 PathProgramCache]: Analyzing trace with hash 672944997, now seen corresponding path program 1 times [2022-11-25 18:30:21,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:21,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052032273] [2022-11-25 18:30:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:21,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:22,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:22,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052032273] [2022-11-25 18:30:22,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052032273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:22,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875296628] [2022-11-25 18:30:22,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:22,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:22,022 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 18:30:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:22,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-25 18:30:22,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:22,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:23,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875296628] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:23,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:23,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 24 [2022-11-25 18:30:23,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997861485] [2022-11-25 18:30:23,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:23,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 18:30:23,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 18:30:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:30:23,281 INFO L87 Difference]: Start difference. First operand 363 states and 462 transitions. Second operand has 25 states, 24 states have (on average 4.416666666666667) internal successors, (106), 22 states have internal predecessors, (106), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-25 18:30:26,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:26,024 INFO L93 Difference]: Finished difference Result 898 states and 1099 transitions. [2022-11-25 18:30:26,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-25 18:30:26,025 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.416666666666667) internal successors, (106), 22 states have internal predecessors, (106), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) Word has length 56 [2022-11-25 18:30:26,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:26,029 INFO L225 Difference]: With dead ends: 898 [2022-11-25 18:30:26,029 INFO L226 Difference]: Without dead ends: 865 [2022-11-25 18:30:26,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=399, Invalid=2463, Unknown=0, NotChecked=0, Total=2862 [2022-11-25 18:30:26,032 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 784 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 4042 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:26,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 4042 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 18:30:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-11-25 18:30:26,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 380. [2022-11-25 18:30:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 350 states have (on average 1.2514285714285713) internal successors, (438), 351 states have internal predecessors, (438), 10 states have call successors, (10), 4 states have call predecessors, (10), 12 states have return successors, (33), 24 states have call predecessors, (33), 10 states have call successors, (33) [2022-11-25 18:30:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 481 transitions. [2022-11-25 18:30:26,075 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 481 transitions. Word has length 56 [2022-11-25 18:30:26,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:26,075 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 481 transitions. [2022-11-25 18:30:26,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.416666666666667) internal successors, (106), 22 states have internal predecessors, (106), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-25 18:30:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 481 transitions. [2022-11-25 18:30:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 18:30:26,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:26,078 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:26,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:26,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:26,285 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:26,286 INFO L85 PathProgramCache]: Analyzing trace with hash -124023212, now seen corresponding path program 1 times [2022-11-25 18:30:26,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:26,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973144141] [2022-11-25 18:30:26,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:26,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:30:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 18:30:26,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:26,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973144141] [2022-11-25 18:30:26,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973144141] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:26,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414293734] [2022-11-25 18:30:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:26,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:26,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:26,712 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:26,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 18:30:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:26,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-25 18:30:26,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:30:27,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 18:30:27,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414293734] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:27,911 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:27,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-11-25 18:30:27,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958255349] [2022-11-25 18:30:27,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:27,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-25 18:30:27,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:27,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-25 18:30:27,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1143, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 18:30:27,914 INFO L87 Difference]: Start difference. First operand 380 states and 481 transitions. Second operand has 36 states, 36 states have (on average 2.6666666666666665) internal successors, (96), 31 states have internal predecessors, (96), 3 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:30:29,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:29,754 INFO L93 Difference]: Finished difference Result 884 states and 1123 transitions. [2022-11-25 18:30:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-25 18:30:29,755 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.6666666666666665) internal successors, (96), 31 states have internal predecessors, (96), 3 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) Word has length 56 [2022-11-25 18:30:29,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:29,758 INFO L225 Difference]: With dead ends: 884 [2022-11-25 18:30:29,758 INFO L226 Difference]: Without dead ends: 745 [2022-11-25 18:30:29,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=384, Invalid=2922, Unknown=0, NotChecked=0, Total=3306 [2022-11-25 18:30:29,762 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 471 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:29,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 2510 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:30:29,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-25 18:30:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 415. [2022-11-25 18:30:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 386 states have (on average 1.2305699481865284) internal successors, (475), 382 states have internal predecessors, (475), 8 states have call successors, (8), 4 states have call predecessors, (8), 13 states have return successors, (35), 28 states have call predecessors, (35), 8 states have call successors, (35) [2022-11-25 18:30:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 518 transitions. [2022-11-25 18:30:29,822 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 518 transitions. Word has length 56 [2022-11-25 18:30:29,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:29,823 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 518 transitions. [2022-11-25 18:30:29,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.6666666666666665) internal successors, (96), 31 states have internal predecessors, (96), 3 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:30:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 518 transitions. [2022-11-25 18:30:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 18:30:29,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:29,825 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:29,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:30,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-25 18:30:30,030 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:30,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:30,031 INFO L85 PathProgramCache]: Analyzing trace with hash -804081582, now seen corresponding path program 1 times [2022-11-25 18:30:30,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:30,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410321339] [2022-11-25 18:30:30,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:30,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:30:30,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:30:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:30:30,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:30:30,104 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:30:30,105 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-25 18:30:30,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-25 18:30:30,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-25 18:30:30,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-25 18:30:30,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-25 18:30:30,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-25 18:30:30,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-25 18:30:30,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-25 18:30:30,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-25 18:30:30,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-25 18:30:30,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-25 18:30:30,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-25 18:30:30,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-25 18:30:30,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-25 18:30:30,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-25 18:30:30,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-25 18:30:30,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 18:30:30,118 INFO L445 BasicCegarLoop]: Path program histogram: [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] [2022-11-25 18:30:30,122 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:30:30,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:30:30 BoogieIcfgContainer [2022-11-25 18:30:30,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:30:30,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:30:30,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:30:30,195 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:30:30,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:29:58" (3/4) ... [2022-11-25 18:30:30,198 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:30:30,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:30:30,199 INFO L158 Benchmark]: Toolchain (without parser) took 33171.41ms. Allocated memory was 192.9MB in the beginning and 352.3MB in the end (delta: 159.4MB). Free memory was 146.8MB in the beginning and 279.1MB in the end (delta: -132.3MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-25 18:30:30,199 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 92.3MB in the beginning and 92.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:30:30,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.14ms. Allocated memory is still 192.9MB. Free memory was 146.8MB in the beginning and 132.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:30:30,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.13ms. Allocated memory is still 192.9MB. Free memory was 132.7MB in the beginning and 130.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:30:30,202 INFO L158 Benchmark]: Boogie Preprocessor took 55.51ms. Allocated memory is still 192.9MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:30:30,203 INFO L158 Benchmark]: RCFGBuilder took 916.60ms. Allocated memory is still 192.9MB. Free memory was 128.0MB in the beginning and 154.1MB in the end (delta: -26.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-25 18:30:30,204 INFO L158 Benchmark]: TraceAbstraction took 31808.66ms. Allocated memory was 192.9MB in the beginning and 352.3MB in the end (delta: 159.4MB). Free memory was 154.1MB in the beginning and 280.2MB in the end (delta: -126.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-25 18:30:30,205 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 352.3MB. Free memory is still 279.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:30:30,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 92.3MB in the beginning and 92.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.14ms. Allocated memory is still 192.9MB. Free memory was 146.8MB in the beginning and 132.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.13ms. Allocated memory is still 192.9MB. Free memory was 132.7MB in the beginning and 130.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.51ms. Allocated memory is still 192.9MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.60ms. Allocated memory is still 192.9MB. Free memory was 128.0MB in the beginning and 154.1MB in the end (delta: -26.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31808.66ms. Allocated memory was 192.9MB in the beginning and 352.3MB in the end (delta: 159.4MB). Free memory was 154.1MB in the beginning and 280.2MB in the end (delta: -126.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 352.3MB. Free memory is still 279.1MB. There was no memory consumed. 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 - UnprovableResult [Line: 110]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 77, overapproximation of bitwiseAnd at line 109. Possible FailurePath: [L227] unsigned int a ; [L228] unsigned int ma = __VERIFIER_nondet_uint(); [L229] signed char ea = __VERIFIER_nondet_char(); [L230] unsigned int b ; [L231] unsigned int mb = __VERIFIER_nondet_uint(); [L232] signed char eb = __VERIFIER_nondet_char(); [L233] unsigned int r_add ; [L234] unsigned int zero ; [L235] int sa ; [L236] int sb ; [L237] int tmp ; [L238] int tmp___0 ; [L239] int tmp___1 ; [L240] int tmp___2 ; [L241] int tmp___3 ; [L242] int tmp___4 ; [L243] int tmp___5 ; [L244] int tmp___6 ; [L245] int tmp___7 ; [L246] int tmp___8 ; [L247] int tmp___9 ; [L248] int __retres23 ; VAL [ea=-127, eb=-128] [L252] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L26] unsigned int res ; [L27] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L30] COND TRUE ! m [L31] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L81] return (__retres4); VAL [\old(e)=0, \old(m)=0, \result=0, __retres4=0, e=0, m=0] [L252] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=-127, eb=-128] [L252] zero = base2flt(0, 0) [L253] CALL, EXPR base2flt(ma, ea) VAL [\old(e)=-127, \old(m)=16777216] [L26] unsigned int res ; [L27] unsigned int __retres4 ; VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L30] COND FALSE !(! m) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L36] COND FALSE !(m < 1U << 24U) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L58] COND TRUE 1 VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L60] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=16777216] [L77] m = m & ~ (1U << 24U) VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=0] [L78] EXPR e + 128 VAL [\old(e)=-127, \old(m)=16777216, e=-127, m=0] [L78] res = m | ((unsigned int ) (e + 128) << 24U) [L79] __retres4 = res VAL [\old(e)=-127, \old(m)=16777216, __retres4=16777216, e=-127, m=0, res=16777216] [L81] return (__retres4); VAL [\old(e)=-127, \old(m)=16777216, \result=16777216, __retres4=16777216, e=-127, m=0, res=16777216] [L253] RET, EXPR base2flt(ma, ea) VAL [base2flt(ma, ea)=16777216, ea=-127, eb=-128, ma=16777216, zero=0] [L253] a = base2flt(ma, ea) [L254] CALL, EXPR base2flt(mb, eb) VAL [\old(e)=-128, \old(m)=16777217] [L26] unsigned int res ; [L27] unsigned int __retres4 ; VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L30] COND FALSE !(! m) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L36] COND FALSE !(m < 1U << 24U) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L58] COND TRUE 1 VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L60] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L77] m = m & ~ (1U << 24U) VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L78] EXPR e + 128 VAL [\old(e)=-128, \old(m)=16777217, e=-128, m=16777217] [L78] res = m | ((unsigned int ) (e + 128) << 24U) [L79] __retres4 = res VAL [\old(e)=-128, \old(m)=16777217, __retres4=16777217, e=-128, m=16777217, res=16777217] [L81] return (__retres4); VAL [\old(e)=-128, \old(m)=16777217, \result=36028797035741185, __retres4=16777217, e=-128, m=16777217, res=16777217] [L254] RET, EXPR base2flt(mb, eb) VAL [a=16777216, base2flt(mb, eb)=36028797035741185, ea=-127, eb=-128, ma=16777216, mb=16777217, zero=0] [L254] b = base2flt(mb, eb) [L256] COND FALSE !(a < zero) VAL [a=16777216, b=16777217, ea=-127, eb=-128, ma=16777216, mb=16777217, zero=0] [L259] COND TRUE a > zero [L260] tmp = 1 VAL [a=16777216, b=16777217, ea=-127, eb=-128, ma=16777216, mb=16777217, tmp=1, zero=0] [L264] sa = tmp VAL [a=16777216, b=16777217, ea=-127, eb=-128, ma=16777216, mb=16777217, sa=1, tmp=1, zero=0] [L266] COND FALSE !(b < zero) VAL [a=16777216, b=16777217, ea=-127, eb=-128, ma=16777216, mb=16777217, sa=1, tmp=1, zero=0] [L269] COND TRUE b > zero [L270] tmp___0 = 1 VAL [a=16777216, b=16777217, ea=-127, eb=-128, ma=16777216, mb=16777217, sa=1, tmp=1, tmp___0=1, zero=0] [L274] sb = tmp___0 VAL [a=16777216, b=16777217, ea=-127, eb=-128, ma=16777216, mb=16777217, sa=1, sb=1, tmp=1, tmp___0=1, zero=0] [L277] CALL addflt(a, b) [L85] unsigned int res ; [L86] unsigned int ma ; [L87] unsigned int mb ; [L88] unsigned int delta ; [L89] int ea ; [L90] int eb ; [L91] unsigned int tmp ; [L92] unsigned int __retres10 ; VAL [\old(a)=16777216, \old(b)=16777217, a=16777216, b=16777217] [L95] COND TRUE a < b [L96] tmp = a [L97] a = b [L98] b = tmp VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, tmp=16777216] [L102] COND FALSE !(! b) VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, tmp=16777216] [L109] ma = a & ((1U << 24U) - 1U) VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, ma=0, tmp=16777216] [L110] (int )(a >> 24U) - 128 VAL [\old(a)=16777216, \old(b)=16777217, a=16777217, b=16777216, ma=0, tmp=16777216] - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 134]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 134]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 142]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 142]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 124 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 29, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6881 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6781 mSDsluCounter, 31013 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27198 mSDsCounter, 591 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7435 IncrementalHoareTripleChecker+Invalid, 8026 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 591 mSolverCounterUnsat, 3815 mSDtfsCounter, 7435 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1408 GetRequests, 956 SyntacticMatches, 14 SemanticMatches, 438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2531 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=415occurred in iteration=28, InterpolantAutomatonStates: 338, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 28 MinimizatonAttempts, 3892 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 1618 NumberOfCodeBlocks, 1595 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1898 ConstructedInterpolants, 0 QuantifiedInterpolants, 8919 SizeOfPredicates, 65 NumberOfNonLiveVariables, 1562 ConjunctsInSsa, 257 ConjunctsInUnsatCore, 48 InterpolantComputations, 21 PerfectInterpolantSequences, 552/708 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:30:30,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/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_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:30:32,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:30:32,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:30:32,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:30:32,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:30:32,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:30:32,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:30:32,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:30:32,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:30:32,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:30:32,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:30:32,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:30:32,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:30:32,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:30:32,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:30:32,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:30:32,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:30:32,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:30:32,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:30:32,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:30:32,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:30:32,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:30:32,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:30:32,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:30:32,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:30:32,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:30:32,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:30:32,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:30:32,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:30:32,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:30:32,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:30:32,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:30:32,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:30:32,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:30:32,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:30:32,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:30:32,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:30:32,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:30:32,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:30:32,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:30:32,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:30:32,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-11-25 18:30:32,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:30:32,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:30:32,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:30:32,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:30:32,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:30:32,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:30:32,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:30:32,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:30:32,913 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:30:32,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:30:32,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:30:32,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:30:32,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:30:32,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:30:32,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:30:32,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:30:32,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:30:32,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:30:32,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:30:32,917 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:30:32,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:30:32,918 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:30:32,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:30:32,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:30:32,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:30:32,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:30:32,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:30:32,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:30:32,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:30:32,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:30:32,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:30:32,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:30:32,922 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:30:32,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:30:32,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:30:32,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:30:32,923 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:30:32,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:30:32,924 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:30:32,924 INFO L138 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_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ff936057be59b0f479a8c37fd17409fe797633e9a8a05703f5728379735d91 [2022-11-25 18:30:33,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:30:33,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:30:33,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:30:33,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:30:33,419 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:30:33,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2022-11-25 18:30:36,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:30:36,686 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:30:36,686 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2022-11-25 18:30:36,694 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data/a5eb44c99/24603824ca4548b5aaee9006c5b03a74/FLAGf4c684459 [2022-11-25 18:30:36,707 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/data/a5eb44c99/24603824ca4548b5aaee9006c5b03a74 [2022-11-25 18:30:36,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:30:36,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:30:36,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:30:36,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:30:36,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:30:36,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:36" (1/1) ... [2022-11-25 18:30:36,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c49508c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:36, skipping insertion in model container [2022-11-25 18:30:36,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:36" (1/1) ... [2022-11-25 18:30:36,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:30:36,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:30:36,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c[755,768] [2022-11-25 18:30:37,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:37,052 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:30:37,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c[755,768] [2022-11-25 18:30:37,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:37,152 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:30:37,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37 WrapperNode [2022-11-25 18:30:37,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:30:37,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:30:37,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:30:37,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:30:37,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,226 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2022-11-25 18:30:37,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:30:37,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:30:37,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:30:37,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:30:37,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:30:37,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:30:37,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:30:37,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:30:37,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (1/1) ... [2022-11-25 18:30:37,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:30:37,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:37,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:30:37,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:30:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:30:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:30:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-11-25 18:30:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-11-25 18:30:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:30:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:30:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 18:30:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 18:30:37,510 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:30:37,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:30:38,060 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:30:38,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:30:38,073 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:30:38,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:38 BoogieIcfgContainer [2022-11-25 18:30:38,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:30:38,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:30:38,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:30:38,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:30:38,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:30:36" (1/3) ... [2022-11-25 18:30:38,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a8d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:30:38, skipping insertion in model container [2022-11-25 18:30:38,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:37" (2/3) ... [2022-11-25 18:30:38,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a8d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:30:38, skipping insertion in model container [2022-11-25 18:30:38,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:38" (3/3) ... [2022-11-25 18:30:38,084 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2022-11-25 18:30:38,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:30:38,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-25 18:30:38,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:30:38,185 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=LoopsAndPotentialCycles, 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;@1e4706e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:30:38,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-25 18:30:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.68) internal successors, (126), 93 states have internal predecessors, (126), 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) [2022-11-25 18:30:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 18:30:38,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:38,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:38,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:38,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:38,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1415508078, now seen corresponding path program 1 times [2022-11-25 18:30:38,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:38,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992336681] [2022-11-25 18:30:38,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:38,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:38,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:38,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:38,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 18:30:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:38,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 18:30:38,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:38,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:38,319 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:38,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992336681] [2022-11-25 18:30:38,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992336681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:38,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:38,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 18:30:38,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075915077] [2022-11-25 18:30:38,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:38,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:30:38,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:38,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:30:38,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:30:38,359 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.68) internal successors, (126), 93 states have internal predecessors, (126), 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 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:30:38,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:38,397 INFO L93 Difference]: Finished difference Result 192 states and 288 transitions. [2022-11-25 18:30:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:30:38,400 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-25 18:30:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:38,409 INFO L225 Difference]: With dead ends: 192 [2022-11-25 18:30:38,411 INFO L226 Difference]: Without dead ends: 65 [2022-11-25 18:30:38,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:30:38,419 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:38,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:38,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-25 18:30:38,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-25 18:30:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 57 states have internal predecessors, (69), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:30:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 79 transitions. [2022-11-25 18:30:38,485 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 79 transitions. Word has length 9 [2022-11-25 18:30:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:38,486 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 79 transitions. [2022-11-25 18:30:38,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:30:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2022-11-25 18:30:38,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 18:30:38,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:38,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:38,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:38,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:38,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:38,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:38,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1416449344, now seen corresponding path program 1 times [2022-11-25 18:30:38,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:38,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565033737] [2022-11-25 18:30:38,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:38,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:38,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:38,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:30:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:38,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:30:38,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:38,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:38,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:38,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565033737] [2022-11-25 18:30:38,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565033737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:38,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:38,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:30:38,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308978394] [2022-11-25 18:30:38,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:38,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:38,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:38,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:38,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:38,790 INFO L87 Difference]: Start difference. First operand 65 states and 79 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:30:38,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:38,851 INFO L93 Difference]: Finished difference Result 135 states and 164 transitions. [2022-11-25 18:30:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:30:38,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-25 18:30:38,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:38,854 INFO L225 Difference]: With dead ends: 135 [2022-11-25 18:30:38,854 INFO L226 Difference]: Without dead ends: 73 [2022-11-25 18:30:38,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:30:38,857 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 9 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:38,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 215 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:38,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-25 18:30:38,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2022-11-25 18:30:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 61 states have internal predecessors, (73), 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) [2022-11-25 18:30:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 83 transitions. [2022-11-25 18:30:38,869 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 83 transitions. Word has length 9 [2022-11-25 18:30:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:38,870 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 83 transitions. [2022-11-25 18:30:38,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:30:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2022-11-25 18:30:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 18:30:38,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:38,871 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:38,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:39,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:39,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:39,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:39,084 INFO L85 PathProgramCache]: Analyzing trace with hash 148928534, now seen corresponding path program 1 times [2022-11-25 18:30:39,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:39,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052231777] [2022-11-25 18:30:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:39,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:39,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:39,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:39,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:30:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:39,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:30:39,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:30:39,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:39,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:39,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052231777] [2022-11-25 18:30:39,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052231777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:39,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:39,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:30:39,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573579625] [2022-11-25 18:30:39,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:39,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:30:39,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:39,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:30:39,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:30:39,175 INFO L87 Difference]: Start difference. First operand 70 states and 83 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2022-11-25 18:30:39,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:39,233 INFO L93 Difference]: Finished difference Result 73 states and 87 transitions. [2022-11-25 18:30:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:30:39,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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 16 [2022-11-25 18:30:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:39,236 INFO L225 Difference]: With dead ends: 73 [2022-11-25 18:30:39,236 INFO L226 Difference]: Without dead ends: 72 [2022-11-25 18:30:39,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:30:39,237 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 3 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:39,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 147 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-25 18:30:39,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 69. [2022-11-25 18:30:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 55 states have (on average 1.309090909090909) internal successors, (72), 60 states have internal predecessors, (72), 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) [2022-11-25 18:30:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2022-11-25 18:30:39,260 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 82 transitions. Word has length 16 [2022-11-25 18:30:39,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:39,261 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-11-25 18:30:39,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2022-11-25 18:30:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2022-11-25 18:30:39,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 18:30:39,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:39,262 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:39,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:39,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:39,464 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:39,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2021116994, now seen corresponding path program 1 times [2022-11-25 18:30:39,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:39,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396401014] [2022-11-25 18:30:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:39,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:39,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:39,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:39,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 18:30:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:39,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:30:39,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:30:39,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:39,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:39,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396401014] [2022-11-25 18:30:39,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396401014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:39,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:39,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:30:39,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626073199] [2022-11-25 18:30:39,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:39,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:30:39,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:39,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:30:39,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:30:39,543 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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) [2022-11-25 18:30:39,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:39,588 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2022-11-25 18:30:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:30:39,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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 18 [2022-11-25 18:30:39,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:39,599 INFO L225 Difference]: With dead ends: 72 [2022-11-25 18:30:39,599 INFO L226 Difference]: Without dead ends: 71 [2022-11-25 18:30:39,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:30:39,601 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:39,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 146 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-25 18:30:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2022-11-25 18:30:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.290909090909091) internal successors, (71), 59 states have internal predecessors, (71), 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) [2022-11-25 18:30:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2022-11-25 18:30:39,615 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 18 [2022-11-25 18:30:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:39,616 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2022-11-25 18:30:39,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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) [2022-11-25 18:30:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-11-25 18:30:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 18:30:39,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:39,622 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:39,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:39,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:39,823 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:39,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:39,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2021049468, now seen corresponding path program 1 times [2022-11-25 18:30:39,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:39,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942768347] [2022-11-25 18:30:39,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:39,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:39,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:39,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:39,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 18:30:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:39,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:30:39,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:39,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:39,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:39,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942768347] [2022-11-25 18:30:39,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942768347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:39,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:39,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:30:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551634782] [2022-11-25 18:30:39,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:39,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:39,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:39,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:39,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:39,988 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 18:30:40,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:40,359 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2022-11-25 18:30:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:40,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 18 [2022-11-25 18:30:40,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:40,367 INFO L225 Difference]: With dead ends: 84 [2022-11-25 18:30:40,367 INFO L226 Difference]: Without dead ends: 83 [2022-11-25 18:30:40,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:30:40,368 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 55 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:40,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 167 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:30:40,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-25 18:30:40,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 73. [2022-11-25 18:30:40,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 64 states have internal predecessors, (77), 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) [2022-11-25 18:30:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2022-11-25 18:30:40,396 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 18 [2022-11-25 18:30:40,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:40,397 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2022-11-25 18:30:40,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 18:30:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2022-11-25 18:30:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 18:30:40,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:40,399 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:40,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:40,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:40,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:40,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1903560936, now seen corresponding path program 1 times [2022-11-25 18:30:40,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:40,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969873680] [2022-11-25 18:30:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:40,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:40,626 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:40,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 18:30:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:40,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:30:40,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:30:41,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:41,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:41,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969873680] [2022-11-25 18:30:41,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969873680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:41,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:41,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:30:41,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443311982] [2022-11-25 18:30:41,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:41,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:30:41,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:41,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:30:41,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:41,429 INFO L87 Difference]: Start difference. First operand 73 states and 87 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-25 18:30:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:45,291 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2022-11-25 18:30:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:30:45,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 21 [2022-11-25 18:30:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:45,294 INFO L225 Difference]: With dead ends: 89 [2022-11-25 18:30:45,294 INFO L226 Difference]: Without dead ends: 88 [2022-11-25 18:30:45,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:30:45,295 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 53 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:45,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 250 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 18:30:45,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-25 18:30:45,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 67. [2022-11-25 18:30:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 58 states have internal predecessors, (70), 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) [2022-11-25 18:30:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2022-11-25 18:30:45,309 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 21 [2022-11-25 18:30:45,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:45,309 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2022-11-25 18:30:45,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-25 18:30:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-11-25 18:30:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 18:30:45,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:45,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:45,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-11-25 18:30:45,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:45,523 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:45,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:45,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1771907670, now seen corresponding path program 1 times [2022-11-25 18:30:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:45,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699792456] [2022-11-25 18:30:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:45,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:45,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:45,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:45,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 18:30:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:45,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:30:45,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:45,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:45,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:45,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699792456] [2022-11-25 18:30:45,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699792456] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:45,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:30:45,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2022-11-25 18:30:45,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179345474] [2022-11-25 18:30:45,743 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:45,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:30:45,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:45,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:30:45,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:45,745 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:45,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:45,824 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2022-11-25 18:30:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:45,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 38 [2022-11-25 18:30:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:45,826 INFO L225 Difference]: With dead ends: 102 [2022-11-25 18:30:45,826 INFO L226 Difference]: Without dead ends: 70 [2022-11-25 18:30:45,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:30:45,828 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 34 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:45,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 287 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:45,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-25 18:30:45,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2022-11-25 18:30:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 58 states have internal predecessors, (68), 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) [2022-11-25 18:30:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2022-11-25 18:30:45,840 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 38 [2022-11-25 18:30:45,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:45,841 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2022-11-25 18:30:45,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-11-25 18:30:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 18:30:45,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:45,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:45,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:46,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:46,054 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:46,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:46,055 INFO L85 PathProgramCache]: Analyzing trace with hash -892960586, now seen corresponding path program 1 times [2022-11-25 18:30:46,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:46,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746648320] [2022-11-25 18:30:46,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:46,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:46,058 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:46,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-25 18:30:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:46,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:30:46,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:46,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:46,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:46,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746648320] [2022-11-25 18:30:46,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746648320] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:46,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:30:46,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2022-11-25 18:30:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459584449] [2022-11-25 18:30:46,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:46,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:30:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:30:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:46,290 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:46,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:46,363 INFO L93 Difference]: Finished difference Result 137 states and 159 transitions. [2022-11-25 18:30:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:46,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2022-11-25 18:30:46,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:46,369 INFO L225 Difference]: With dead ends: 137 [2022-11-25 18:30:46,369 INFO L226 Difference]: Without dead ends: 104 [2022-11-25 18:30:46,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:30:46,376 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 32 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:46,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 414 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:46,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-25 18:30:46,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 75. [2022-11-25 18:30:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 64 states have internal predecessors, (74), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2022-11-25 18:30:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 89 transitions. [2022-11-25 18:30:46,409 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 89 transitions. Word has length 42 [2022-11-25 18:30:46,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:46,412 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 89 transitions. [2022-11-25 18:30:46,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2022-11-25 18:30:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 18:30:46,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:46,417 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:46,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:46,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:46,629 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:46,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:46,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1407862004, now seen corresponding path program 1 times [2022-11-25 18:30:46,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:46,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200163896] [2022-11-25 18:30:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:46,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:46,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:46,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:46,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-25 18:30:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:46,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:30:46,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:46,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:46,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:46,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200163896] [2022-11-25 18:30:46,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200163896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:46,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:46,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:30:46,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251394502] [2022-11-25 18:30:46,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:46,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:30:46,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:46,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:30:46,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:30:46,780 INFO L87 Difference]: Start difference. First operand 75 states and 89 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-25 18:30:46,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:46,860 INFO L93 Difference]: Finished difference Result 140 states and 161 transitions. [2022-11-25 18:30:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:46,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 42 [2022-11-25 18:30:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:46,862 INFO L225 Difference]: With dead ends: 140 [2022-11-25 18:30:46,863 INFO L226 Difference]: Without dead ends: 110 [2022-11-25 18:30:46,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:30:46,864 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 29 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:46,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 342 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:46,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-25 18:30:46,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 84. [2022-11-25 18:30:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (9), 9 states have call predecessors, (9), 6 states have call successors, (9) [2022-11-25 18:30:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2022-11-25 18:30:46,878 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 99 transitions. Word has length 42 [2022-11-25 18:30:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:46,878 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 99 transitions. [2022-11-25 18:30:46,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-25 18:30:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2022-11-25 18:30:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 18:30:46,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:46,880 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:46,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-11-25 18:30:47,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:47,092 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:47,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash 127998326, now seen corresponding path program 1 times [2022-11-25 18:30:47,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:47,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898963068] [2022-11-25 18:30:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:47,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:47,094 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:47,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-25 18:30:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:47,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:30:47,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:47,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:47,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898963068] [2022-11-25 18:30:47,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898963068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:47,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:47,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:30:47,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705768011] [2022-11-25 18:30:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:47,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:30:47,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:47,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:30:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:30:47,245 INFO L87 Difference]: Start difference. First operand 84 states and 99 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-11-25 18:30:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:47,343 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2022-11-25 18:30:47,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:30:47,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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 42 [2022-11-25 18:30:47,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:47,345 INFO L225 Difference]: With dead ends: 115 [2022-11-25 18:30:47,345 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 18:30:47,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:30:47,346 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 6 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:47,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 393 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 18:30:47,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-25 18:30:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 64 states have internal predecessors, (74), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-25 18:30:47,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2022-11-25 18:30:47,360 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 42 [2022-11-25 18:30:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:47,360 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2022-11-25 18:30:47,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-11-25 18:30:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-11-25 18:30:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 18:30:47,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:47,362 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:47,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:47,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:47,573 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:47,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1857082595, now seen corresponding path program 1 times [2022-11-25 18:30:47,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:47,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735986967] [2022-11-25 18:30:47,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:47,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:47,575 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:47,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-25 18:30:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:47,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:30:47,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:47,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:30:47,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:47,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735986967] [2022-11-25 18:30:47,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735986967] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:47,791 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:30:47,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-11-25 18:30:47,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683725744] [2022-11-25 18:30:47,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:47,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:47,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:47,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:47,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:30:47,793 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:47,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:47,909 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2022-11-25 18:30:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:30:47,910 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 46 [2022-11-25 18:30:47,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:47,911 INFO L225 Difference]: With dead ends: 109 [2022-11-25 18:30:47,911 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 18:30:47,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:30:47,912 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 7 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:47,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 460 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 18:30:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-25 18:30:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.2) internal successors, (66), 58 states have internal predecessors, (66), 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) [2022-11-25 18:30:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2022-11-25 18:30:47,930 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 46 [2022-11-25 18:30:47,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:47,930 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2022-11-25 18:30:47,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 18:30:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2022-11-25 18:30:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 18:30:47,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:47,932 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:47,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:48,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:48,144 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -292553898, now seen corresponding path program 1 times [2022-11-25 18:30:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:48,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556716140] [2022-11-25 18:30:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:48,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:48,146 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:48,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-25 18:30:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:48,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 18:30:48,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:30:48,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:48,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:48,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556716140] [2022-11-25 18:30:48,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556716140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:48,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:48,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:30:48,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363442203] [2022-11-25 18:30:48,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:48,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:30:48,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:48,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:30:48,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:30:48,377 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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) [2022-11-25 18:30:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:48,568 INFO L93 Difference]: Finished difference Result 163 states and 186 transitions. [2022-11-25 18:30:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:30:48,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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 50 [2022-11-25 18:30:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:48,570 INFO L225 Difference]: With dead ends: 163 [2022-11-25 18:30:48,570 INFO L226 Difference]: Without dead ends: 136 [2022-11-25 18:30:48,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:30:48,571 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:48,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 586 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:48,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-25 18:30:48,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 81. [2022-11-25 18:30:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 70 states have internal predecessors, (80), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2022-11-25 18:30:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2022-11-25 18:30:48,582 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 50 [2022-11-25 18:30:48,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:48,582 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2022-11-25 18:30:48,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 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) [2022-11-25 18:30:48,583 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2022-11-25 18:30:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 18:30:48,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:48,584 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:48,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:48,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:48,795 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:48,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:48,796 INFO L85 PathProgramCache]: Analyzing trace with hash -34388460, now seen corresponding path program 1 times [2022-11-25 18:30:48,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:48,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631054157] [2022-11-25 18:30:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:48,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:48,797 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:48,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-25 18:30:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:48,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 18:30:48,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 18:30:49,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:49,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:49,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631054157] [2022-11-25 18:30:49,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631054157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:49,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:49,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 18:30:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460552374] [2022-11-25 18:30:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:49,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:30:49,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:30:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:30:49,092 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2022-11-25 18:30:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:49,455 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2022-11-25 18:30:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:30:49,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 50 [2022-11-25 18:30:49,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:49,457 INFO L225 Difference]: With dead ends: 144 [2022-11-25 18:30:49,457 INFO L226 Difference]: Without dead ends: 104 [2022-11-25 18:30:49,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:30:49,458 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 102 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:49,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 603 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:30:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-25 18:30:49,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 72. [2022-11-25 18:30:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 62 states have internal predecessors, (69), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-25 18:30:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions. [2022-11-25 18:30:49,470 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 50 [2022-11-25 18:30:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:49,471 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions. [2022-11-25 18:30:49,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2022-11-25 18:30:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-11-25 18:30:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 18:30:49,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:49,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:49,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:49,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:49,684 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:49,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1329730220, now seen corresponding path program 1 times [2022-11-25 18:30:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:49,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132866209] [2022-11-25 18:30:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:49,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:49,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:49,687 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:49,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-25 18:30:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:49,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:30:49,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:49,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 18:30:50,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:50,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132866209] [2022-11-25 18:30:50,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132866209] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:50,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:50,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-11-25 18:30:50,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156466052] [2022-11-25 18:30:50,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:50,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:30:50,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:50,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:30:50,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:30:50,067 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-11-25 18:30:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:50,177 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2022-11-25 18:30:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:30:50,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 52 [2022-11-25 18:30:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:50,178 INFO L225 Difference]: With dead ends: 72 [2022-11-25 18:30:50,179 INFO L226 Difference]: Without dead ends: 71 [2022-11-25 18:30:50,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:30:50,179 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:50,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 222 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:50,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-25 18:30:50,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-25 18:30:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 61 states have internal predecessors, (68), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-25 18:30:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2022-11-25 18:30:50,190 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 82 transitions. Word has length 52 [2022-11-25 18:30:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:50,190 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 82 transitions. [2022-11-25 18:30:50,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-11-25 18:30:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-11-25 18:30:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 18:30:50,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:50,191 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:50,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:50,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:50,403 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:50,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:50,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1728035976, now seen corresponding path program 1 times [2022-11-25 18:30:50,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:50,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959319827] [2022-11-25 18:30:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:50,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:50,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:50,405 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:50,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-25 18:30:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:50,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:30:50,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:50,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 18:30:50,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:50,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959319827] [2022-11-25 18:30:50,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959319827] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:50,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:50,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-25 18:30:50,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927794235] [2022-11-25 18:30:50,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:50,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:50,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:50,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:50,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:30:50,702 INFO L87 Difference]: Start difference. First operand 71 states and 82 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-11-25 18:30:50,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:50,844 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2022-11-25 18:30:50,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:50,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 53 [2022-11-25 18:30:50,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:50,845 INFO L225 Difference]: With dead ends: 76 [2022-11-25 18:30:50,845 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 18:30:50,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:30:50,846 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 26 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:50,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 163 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:50,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 18:30:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2022-11-25 18:30:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 58 states have (on average 1.1551724137931034) internal successors, (67), 60 states have internal predecessors, (67), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-25 18:30:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2022-11-25 18:30:50,873 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 53 [2022-11-25 18:30:50,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:50,873 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2022-11-25 18:30:50,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-11-25 18:30:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-11-25 18:30:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 18:30:50,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:50,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:50,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:51,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:51,075 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:51,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:51,075 INFO L85 PathProgramCache]: Analyzing trace with hash 18450109, now seen corresponding path program 1 times [2022-11-25 18:30:51,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:51,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446069081] [2022-11-25 18:30:51,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:51,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:51,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:51,077 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:51,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-25 18:30:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:51,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 18:30:51,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:51,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:51,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:51,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446069081] [2022-11-25 18:30:51,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446069081] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:51,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1506701161] [2022-11-25 18:30:51,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:51,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 18:30:51,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/cvc4 [2022-11-25 18:30:51,501 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 18:30:51,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-25 18:30:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:51,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:30:51,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:51,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:51,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1506701161] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:51,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:30:51,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 11 [2022-11-25 18:30:51,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006728082] [2022-11-25 18:30:51,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:30:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:30:51,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:30:51,717 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-25 18:30:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:52,050 INFO L93 Difference]: Finished difference Result 128 states and 147 transitions. [2022-11-25 18:30:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:30:52,051 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2022-11-25 18:30:52,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:52,052 INFO L225 Difference]: With dead ends: 128 [2022-11-25 18:30:52,052 INFO L226 Difference]: Without dead ends: 99 [2022-11-25 18:30:52,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:30:52,053 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 55 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:52,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 804 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:52,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-25 18:30:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 94. [2022-11-25 18:30:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.1358024691358024) internal successors, (92), 82 states have internal predecessors, (92), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2022-11-25 18:30:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2022-11-25 18:30:52,067 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 60 [2022-11-25 18:30:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:52,067 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2022-11-25 18:30:52,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-25 18:30:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2022-11-25 18:30:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 18:30:52,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:52,071 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:52,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:52,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:52,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:52,473 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:52,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:52,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1364132591, now seen corresponding path program 2 times [2022-11-25 18:30:52,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:52,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274073314] [2022-11-25 18:30:52,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:30:52,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:52,475 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:52,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-25 18:30:52,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:30:52,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:30:52,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:30:52,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:52,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:52,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:52,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274073314] [2022-11-25 18:30:52,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274073314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:52,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:52,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:30:52,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459380093] [2022-11-25 18:30:52,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:52,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:30:52,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:52,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:30:52,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:30:52,652 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 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) [2022-11-25 18:30:52,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:52,934 INFO L93 Difference]: Finished difference Result 149 states and 171 transitions. [2022-11-25 18:30:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:30:52,935 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 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 60 [2022-11-25 18:30:52,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:52,936 INFO L225 Difference]: With dead ends: 149 [2022-11-25 18:30:52,936 INFO L226 Difference]: Without dead ends: 94 [2022-11-25 18:30:52,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:30:52,937 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 66 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:52,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 480 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:52,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-25 18:30:52,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-25 18:30:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.1358024691358024) internal successors, (92), 82 states have internal predecessors, (92), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2022-11-25 18:30:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2022-11-25 18:30:52,948 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 60 [2022-11-25 18:30:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:52,948 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2022-11-25 18:30:52,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 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) [2022-11-25 18:30:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2022-11-25 18:30:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 18:30:52,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:52,950 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:52,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:53,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:53,160 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:53,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:53,161 INFO L85 PathProgramCache]: Analyzing trace with hash -507372569, now seen corresponding path program 1 times [2022-11-25 18:30:53,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:53,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463922324] [2022-11-25 18:30:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:53,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:53,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:53,162 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-25 18:30:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:53,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:30:53,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 18:30:53,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:53,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:53,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463922324] [2022-11-25 18:30:53,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463922324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:53,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:53,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:30:53,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464557430] [2022-11-25 18:30:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:53,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:30:53,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:53,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:30:53,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:30:53,302 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-25 18:30:53,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:53,608 INFO L93 Difference]: Finished difference Result 99 states and 112 transitions. [2022-11-25 18:30:53,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:30:53,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 62 [2022-11-25 18:30:53,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:53,610 INFO L225 Difference]: With dead ends: 99 [2022-11-25 18:30:53,610 INFO L226 Difference]: Without dead ends: 93 [2022-11-25 18:30:53,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:30:53,611 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:53,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 117 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:30:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-25 18:30:53,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 78. [2022-11-25 18:30:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 states have internal predecessors, (76), 6 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-25 18:30:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2022-11-25 18:30:53,620 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 62 [2022-11-25 18:30:53,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:53,621 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2022-11-25 18:30:53,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-25 18:30:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2022-11-25 18:30:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-25 18:30:53,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:53,622 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:53,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:53,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:53,834 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1389783085, now seen corresponding path program 1 times [2022-11-25 18:30:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:53,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854576866] [2022-11-25 18:30:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:53,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:53,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:53,837 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:53,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-25 18:30:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:53,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:30:53,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 18:30:54,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:30:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-25 18:30:54,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:54,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854576866] [2022-11-25 18:30:54,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854576866] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:30:54,152 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:30:54,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-25 18:30:54,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802313046] [2022-11-25 18:30:54,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:30:54,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:30:54,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:54,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:30:54,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:54,154 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 5 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-25 18:30:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:54,342 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2022-11-25 18:30:54,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:30:54,343 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 5 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) Word has length 68 [2022-11-25 18:30:54,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:54,344 INFO L225 Difference]: With dead ends: 102 [2022-11-25 18:30:54,344 INFO L226 Difference]: Without dead ends: 64 [2022-11-25 18:30:54,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:30:54,345 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 35 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:54,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 618 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:30:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-25 18:30:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-25 18:30:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 55 states have internal predecessors, (61), 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) [2022-11-25 18:30:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2022-11-25 18:30:54,354 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 68 [2022-11-25 18:30:54,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:54,354 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2022-11-25 18:30:54,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 5 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-25 18:30:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-11-25 18:30:54,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-25 18:30:54,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:54,356 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:54,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:54,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:54,574 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-25 18:30:54,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1408936897, now seen corresponding path program 1 times [2022-11-25 18:30:54,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:54,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591319292] [2022-11-25 18:30:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:54,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:54,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:54,576 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:54,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-25 18:30:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:54,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:30:54,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-25 18:30:54,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:54,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:54,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591319292] [2022-11-25 18:30:54,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591319292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:54,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:54,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:30:54,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455916797] [2022-11-25 18:30:54,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:54,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:54,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:54,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:54,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:54,944 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-25 18:30:55,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:55,420 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2022-11-25 18:30:55,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:55,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 [2022-11-25 18:30:55,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:55,422 INFO L225 Difference]: With dead ends: 64 [2022-11-25 18:30:55,422 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:30:55,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:55,423 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:55,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:30:55,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:30:55,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:30:55,424 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) [2022-11-25 18:30:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:30:55,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2022-11-25 18:30:55,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:55,424 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:30:55,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-25 18:30:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:30:55,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:30:55,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-25 18:30:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-25 18:30:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-25 18:30:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-25 18:30:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-25 18:30:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-25 18:30:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-25 18:30:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-25 18:30:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-25 18:30:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-25 18:30:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-25 18:30:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-25 18:30:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-25 18:30:55,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-25 18:30:55,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-25 18:30:55,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-25 18:30:55,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2022-11-25 18:30:55,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:55,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:30:59,858 INFO L899 garLoopResultBuilder]: For program point L60(lines 58 73) no Hoare annotation was computed. [2022-11-25 18:30:59,858 INFO L899 garLoopResultBuilder]: For program point base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-25 18:30:59,858 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 52) no Hoare annotation was computed. [2022-11-25 18:30:59,859 INFO L895 garLoopResultBuilder]: At program point L48-1(lines 38 53) the Hoare annotation is: (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (not (= |base2flt_#in~e| ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|)))))) (and (or (exists ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (= base2flt_~e ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|))) .cse0) (or (not (= |base2flt_#in~m| (_ bv0 32))) .cse0))) [2022-11-25 18:30:59,859 INFO L899 garLoopResultBuilder]: For program point base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-11-25 18:30:59,859 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 76) no Hoare annotation was computed. [2022-11-25 18:30:59,859 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2022-11-25 18:30:59,859 INFO L899 garLoopResultBuilder]: For program point base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2022-11-25 18:30:59,859 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-11-25 18:30:59,860 INFO L895 garLoopResultBuilder]: At program point L74(lines 36 76) the Hoare annotation is: (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (not (= |base2flt_#in~e| ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|)))))) (and (or (exists ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (= base2flt_~e ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|))) .cse0) (or (not (= |base2flt_#in~m| (_ bv0 32))) .cse0))) [2022-11-25 18:30:59,860 INFO L895 garLoopResultBuilder]: At program point L58-2(lines 58 73) the Hoare annotation is: (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (not (= |base2flt_#in~e| ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|)))))) (and (or (exists ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (= base2flt_~e ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|))) .cse0) (or (not (= |base2flt_#in~m| (_ bv0 32))) .cse0))) [2022-11-25 18:30:59,860 INFO L902 garLoopResultBuilder]: At program point base2fltENTRY(lines 25 83) the Hoare annotation is: true [2022-11-25 18:30:59,860 INFO L899 garLoopResultBuilder]: For program point base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-11-25 18:30:59,860 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-25 18:30:59,860 INFO L899 garLoopResultBuilder]: For program point base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point base2fltFINAL(lines 25 83) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 35) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point L59(lines 58 73) no Hoare annotation was computed. [2022-11-25 18:30:59,861 INFO L899 garLoopResultBuilder]: For program point base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-25 18:30:59,862 INFO L899 garLoopResultBuilder]: For program point base2fltEXIT(lines 25 83) no Hoare annotation was computed. [2022-11-25 18:30:59,862 INFO L895 garLoopResultBuilder]: At program point L80(lines 29 82) the Hoare annotation is: (let ((.cse0 (forall ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (not (= |base2flt_#in~e| ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|)))))) (and (or (exists ((|v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2| (_ BitVec 8))) (= base2flt_~e ((_ sign_extend 24) |v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2|))) .cse0) (or (not (= |base2flt_#in~m| (_ bv0 32))) (and (= base2flt_~m (_ bv0 32)) (= base2flt_~__retres4~0 (_ bv0 32))) .cse0))) [2022-11-25 18:30:59,862 INFO L899 garLoopResultBuilder]: For program point L39(lines 38 53) no Hoare annotation was computed. [2022-11-25 18:30:59,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 113) no Hoare annotation was computed. [2022-11-25 18:30:59,862 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 352) no Hoare annotation was computed. [2022-11-25 18:30:59,862 INFO L899 garLoopResultBuilder]: For program point L316-1(lines 316 352) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L902 garLoopResultBuilder]: At program point L341-1(lines 328 346) the Hoare annotation is: true [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point L292(lines 280 307) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2022-11-25 18:30:59,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 110) no Hoare annotation was computed. [2022-11-25 18:30:59,864 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 138) no Hoare annotation was computed. [2022-11-25 18:30:59,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:30:59,864 INFO L895 garLoopResultBuilder]: At program point L127-2(lines 127 138) the Hoare annotation is: (let ((.cse0 (bvsle (_ bv6442450944 33) (bvadd ((_ sign_extend 1) |ULTIMATE.start_addflt_~ea~0#1|) (bvneg ((_ sign_extend 1) |ULTIMATE.start_addflt_~eb~0#1|))))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_main_~zero~0#1|))) (or (and .cse0 .cse1 (exists ((|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)) (bvadd (_ bv127 32) |ULTIMATE.start_addflt_~ea~0#1|)))) (and (= (bvadd |ULTIMATE.start_addflt_~a#1| (_ bv1 32)) (_ bv0 32)) (bvult (bvadd |ULTIMATE.start_addflt_~ea~0#1| (_ bv4294967169 32)) (_ bv32 32)) (= (bvadd |ULTIMATE.start_main_~a~0#1| (_ bv1 32)) (_ bv0 32)) .cse0 .cse1) (and (exists ((|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)) (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|))) .cse0 .cse1))) [2022-11-25 18:30:59,864 INFO L902 garLoopResultBuilder]: At program point L317(lines 313 353) the Hoare annotation is: true [2022-11-25 18:30:59,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:30:59,864 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 288) no Hoare annotation was computed. [2022-11-25 18:30:59,865 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2022-11-25 18:30:59,865 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2022-11-25 18:30:59,865 INFO L899 garLoopResultBuilder]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2022-11-25 18:30:59,865 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 142) no Hoare annotation was computed. [2022-11-25 18:30:59,870 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 110) no Hoare annotation was computed. [2022-11-25 18:30:59,870 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2022-11-25 18:30:59,870 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2022-11-25 18:30:59,871 INFO L899 garLoopResultBuilder]: For program point L95-2(lines 94 147) no Hoare annotation was computed. [2022-11-25 18:30:59,871 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 350) no Hoare annotation was computed. [2022-11-25 18:30:59,871 INFO L902 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: true [2022-11-25 18:30:59,871 INFO L899 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2022-11-25 18:30:59,871 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2022-11-25 18:30:59,871 INFO L902 garLoopResultBuilder]: At program point L145(lines 94 147) the Hoare annotation is: true [2022-11-25 18:30:59,871 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 273) no Hoare annotation was computed. [2022-11-25 18:30:59,872 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2022-11-25 18:30:59,872 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 142) no Hoare annotation was computed. [2022-11-25 18:30:59,872 INFO L902 garLoopResultBuilder]: At program point L294-1(lines 294 303) the Hoare annotation is: true [2022-11-25 18:30:59,872 INFO L895 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: (= (_ bv0 32) |ULTIMATE.start_main_~zero~0#1|) [2022-11-25 18:30:59,872 INFO L899 garLoopResultBuilder]: For program point L253-1(line 253) no Hoare annotation was computed. [2022-11-25 18:30:59,873 INFO L902 garLoopResultBuilder]: At program point L146(lines 84 148) the Hoare annotation is: true [2022-11-25 18:30:59,873 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-25 18:30:59,873 INFO L899 garLoopResultBuilder]: For program point L113-1(line 113) no Hoare annotation was computed. [2022-11-25 18:30:59,875 INFO L895 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (= (_ bv0 32) |ULTIMATE.start_main_~zero~0#1|) [2022-11-25 18:30:59,876 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2022-11-25 18:30:59,877 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 312) no Hoare annotation was computed. [2022-11-25 18:30:59,877 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 250 356) no Hoare annotation was computed. [2022-11-25 18:30:59,878 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2022-11-25 18:30:59,878 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:30:59,878 INFO L899 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2022-11-25 18:30:59,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2022-11-25 18:30:59,878 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 309) no Hoare annotation was computed. [2022-11-25 18:30:59,879 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (and (exists ((|ULTIMATE.start_addflt_~a#1| (_ BitVec 32))) (= (bvlshr |ULTIMATE.start_addflt_~a#1| (_ bv24 32)) (bvadd (_ bv128 32) |ULTIMATE.start_addflt_~ea~0#1|))) (= (_ bv0 32) |ULTIMATE.start_main_~zero~0#1|) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_addflt_~ea~0#1|) (bvneg ((_ sign_extend 1) |ULTIMATE.start_addflt_~eb~0#1|))) (_ bv2147483647 33))) [2022-11-25 18:30:59,879 INFO L899 garLoopResultBuilder]: For program point L115-1(line 115) no Hoare annotation was computed. [2022-11-25 18:30:59,879 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-25 18:30:59,879 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2022-11-25 18:30:59,879 INFO L899 garLoopResultBuilder]: For program point L297-2(lines 297 301) no Hoare annotation was computed. [2022-11-25 18:30:59,879 INFO L902 garLoopResultBuilder]: At program point L355(lines 226 357) the Hoare annotation is: true [2022-11-25 18:30:59,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:30:59,880 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 265) no Hoare annotation was computed. [2022-11-25 18:30:59,880 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 250 356) no Hoare annotation was computed. [2022-11-25 18:30:59,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 116) no Hoare annotation was computed. [2022-11-25 18:30:59,880 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 290) no Hoare annotation was computed. [2022-11-25 18:30:59,880 INFO L902 garLoopResultBuilder]: At program point L281-2(lines 281 290) the Hoare annotation is: true [2022-11-25 18:30:59,881 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-25 18:30:59,881 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 340) no Hoare annotation was computed. [2022-11-25 18:30:59,881 INFO L899 garLoopResultBuilder]: For program point L331-2(lines 330 346) no Hoare annotation was computed. [2022-11-25 18:30:59,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 113) no Hoare annotation was computed. [2022-11-25 18:30:59,881 INFO L899 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2022-11-25 18:30:59,881 INFO L899 garLoopResultBuilder]: For program point L117-2(line 117) no Hoare annotation was computed. [2022-11-25 18:30:59,882 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-25 18:30:59,882 INFO L899 garLoopResultBuilder]: For program point L142-1(line 142) no Hoare annotation was computed. [2022-11-25 18:30:59,882 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 266 275) no Hoare annotation was computed. [2022-11-25 18:30:59,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2022-11-25 18:30:59,882 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-25 18:30:59,882 INFO L899 garLoopResultBuilder]: For program point L134-1(line 134) no Hoare annotation was computed. [2022-11-25 18:30:59,883 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 19) no Hoare annotation was computed. [2022-11-25 18:30:59,883 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 16 21) no Hoare annotation was computed. [2022-11-25 18:30:59,883 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 16 21) the Hoare annotation is: true [2022-11-25 18:30:59,883 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 16 21) no Hoare annotation was computed. [2022-11-25 18:30:59,884 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2022-11-25 18:30:59,889 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] [2022-11-25 18:30:59,891 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:30:59,901 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,902 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,902 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,908 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,909 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,909 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,910 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,910 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,910 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,912 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,915 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,916 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,916 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,918 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,918 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,919 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,921 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,921 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,921 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,922 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,922 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,922 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:30:59,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:30:59 BoogieIcfgContainer [2022-11-25 18:30:59,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:30:59,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:30:59,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:30:59,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:30:59,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:38" (3/4) ... [2022-11-25 18:30:59,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:30:59,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2022-11-25 18:30:59,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-25 18:30:59,946 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-25 18:30:59,946 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 18:30:59,947 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:30:59,947 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:30:59,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && ((!(\old(m) == 0bv32) || (m == 0bv32 && __retres4 == 0bv32)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) [2022-11-25 18:30:59,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && (!(\old(m) == 0bv32) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) [2022-11-25 18:30:59,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && (!(\old(m) == 0bv32) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) [2022-11-25 18:30:59,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && (!(\old(m) == 0bv32) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) [2022-11-25 18:31:00,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:31:00,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:31:00,011 INFO L158 Benchmark]: Toolchain (without parser) took 23299.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 76.0MB in the beginning and 39.4MB in the end (delta: 36.6MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,011 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:31:00,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.93ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 61.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.26ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,013 INFO L158 Benchmark]: Boogie Preprocessor took 76.49ms. Allocated memory is still 98.6MB. Free memory was 58.9MB in the beginning and 57.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,013 INFO L158 Benchmark]: RCFGBuilder took 770.83ms. Allocated memory is still 98.6MB. Free memory was 57.1MB in the beginning and 64.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,013 INFO L158 Benchmark]: TraceAbstraction took 21845.50ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.9MB in the beginning and 44.6MB in the end (delta: 19.3MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,015 INFO L158 Benchmark]: Witness Printer took 86.66ms. Allocated memory is still 119.5MB. Free memory was 44.6MB in the beginning and 39.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 18:31:00,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.93ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 61.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.26ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.49ms. Allocated memory is still 98.6MB. Free memory was 58.9MB in the beginning and 57.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 770.83ms. Allocated memory is still 98.6MB. Free memory was 57.1MB in the beginning and 64.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21845.50ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.9MB in the beginning and 44.6MB in the end (delta: 19.3MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 86.66ms. Allocated memory is still 119.5MB. Free memory was 44.6MB in the beginning and 39.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] * 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, 102 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 20, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 652 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 638 mSDsluCounter, 6707 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5198 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1323 IncrementalHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 1509 mSDtfsCounter, 1323 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1265 GetRequests, 1134 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, InterpolantAutomatonStates: 121, 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, 20 MinimizatonAttempts, 210 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 95 PreInvPairs, 133 NumberOfFragments, 207 HoareAnnotationTreeSize, 95 FomulaSimplifications, 5333 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1988 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 886 NumberOfCodeBlocks, 866 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1217 ConstructedInterpolants, 47 QuantifiedInterpolants, 2673 SizeOfPredicates, 64 NumberOfNonLiveVariables, 1663 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 28 InterpolantComputations, 15 PerfectInterpolantSequences, 355/400 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: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2022-11-25 18:31:00,048 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,048 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,048 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,048 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,050 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && ((!(\old(m) == 0bv32) || (m == 0bv32 && __retres4 == 0bv32)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) - InvariantResult [Line: 38]: Loop Invariant [2022-11-25 18:31:00,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,051 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,056 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && (!(\old(m) == 0bv32) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) - InvariantResult [Line: 58]: Loop Invariant [2022-11-25 18:31:00,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,057 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,058 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,058 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && (!(\old(m) == 0bv32) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant [2022-11-25 18:31:00,058 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,059 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,059 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,059 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,059 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] [2022-11-25 18:31:00,060 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: e == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) && (!(\old(m) == 0bv32) || (forall v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2 : bv8 :: !(\old(e) == ~sign_extendFrom8To32(v_ULTIMATE.start_main_~ea~2#1_BEFORE_CALL_2)))) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 18:31:00,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1274832-09c7-4ec3-9be3-0ad4ed573692/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE