./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95a97233755d839b5264e94708e17c406b7a95404e1b69807725bd9192faea5d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:54:01,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:54:01,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:54:01,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:54:01,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:54:01,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:54:01,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:54:01,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:54:01,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:54:01,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:54:01,311 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:54:01,312 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:54:01,313 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:54:01,313 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:54:01,314 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:54:01,314 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:54:01,315 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:54:01,315 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:54:01,316 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:54:01,316 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:54:01,317 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:54:01,318 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:54:01,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:54:01,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:54:01,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:54:01,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:54:01,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:54:01,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:54:01,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:54:01,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:54:01,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:54:01,323 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:54:01,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:54:01,323 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:54:01,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:54:01,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:54:01,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:54:01,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:54:01,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:54:01,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:54:01,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:54:01,326 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:54:01,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:54:01,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:54:01,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:54:01,326 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:54:01,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:54:01,327 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95a97233755d839b5264e94708e17c406b7a95404e1b69807725bd9192faea5d [2023-12-02 13:54:01,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:54:01,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:54:01,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:54:01,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:54:01,559 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:54:01,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i [2023-12-02 13:54:04,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:54:04,553 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:54:04,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i [2023-12-02 13:54:04,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data/d2d762ee2/73a713a6b45f4688b5351d19c06265a1/FLAG41b7e809b [2023-12-02 13:54:04,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data/d2d762ee2/73a713a6b45f4688b5351d19c06265a1 [2023-12-02 13:54:04,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:54:04,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:54:04,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:54:04,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:54:04,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:54:04,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:04,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3809a4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04, skipping insertion in model container [2023-12-02 13:54:04,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:04,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:54:04,740 WARN L240 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i[916,929] [2023-12-02 13:54:04,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:54:04,836 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:54:04,848 WARN L240 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i[916,929] [2023-12-02 13:54:04,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:54:04,923 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:54:04,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04 WrapperNode [2023-12-02 13:54:04,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:54:04,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:54:04,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:54:04,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:54:04,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:04,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:04,993 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2023-12-02 13:54:04,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:54:04,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:54:04,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:54:04,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:54:05,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:54:05,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:54:05,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:54:05,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:54:05,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (1/1) ... [2023-12-02 13:54:05,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:54:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:54:05,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:54:05,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:54:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:54:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:54:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:54:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:54:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:54:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:54:05,230 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:54:05,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:54:05,635 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:54:05,924 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:54:05,925 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:54:05,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:05 BoogieIcfgContainer [2023-12-02 13:54:05,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:54:05,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:54:05,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:54:05,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:54:05,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:54:04" (1/3) ... [2023-12-02 13:54:05,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56803389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:05, skipping insertion in model container [2023-12-02 13:54:05,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:04" (2/3) ... [2023-12-02 13:54:05,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56803389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:05, skipping insertion in model container [2023-12-02 13:54:05,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:05" (3/3) ... [2023-12-02 13:54:05,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-23.i [2023-12-02 13:54:05,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:54:05,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:54:06,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:54:06,011 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24bfede6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:54:06,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:54:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 13:54:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 13:54:06,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:06,031 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:06,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:54:06,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:06,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1145456325, now seen corresponding path program 1 times [2023-12-02 13:54:06,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566460201] [2023-12-02 13:54:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:06,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:06,227 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:54:06,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243280819] [2023-12-02 13:54:06,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:06,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:54:06,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:54:06,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:54:06,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:54:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:54:07,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:54:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:54:08,646 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:54:08,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:54:08,650 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:54:08,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:54:08,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:54:08,856 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:54:08,859 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:54:08,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:54:08 BoogieIcfgContainer [2023-12-02 13:54:08,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:54:08,977 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:54:08,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:54:08,977 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:54:08,978 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:05" (3/4) ... [2023-12-02 13:54:08,980 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:54:08,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:54:08,982 INFO L158 Benchmark]: Toolchain (without parser) took 4402.30ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 101.0MB in the beginning and 127.1MB in the end (delta: -26.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-12-02 13:54:08,983 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:54:08,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.40ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 84.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:54:08,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.24ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 80.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:54:08,984 INFO L158 Benchmark]: Boogie Preprocessor took 52.10ms. Allocated memory is still 140.5MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:54:08,985 INFO L158 Benchmark]: RCFGBuilder took 879.67ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 78.0MB in the beginning and 97.2MB in the end (delta: -19.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-02 13:54:08,986 INFO L158 Benchmark]: TraceAbstraction took 3047.43ms. Allocated memory is still 180.4MB. Free memory was 97.2MB in the beginning and 127.1MB in the end (delta: -29.9MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-12-02 13:54:08,986 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 180.4MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:54:08,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.40ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 84.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.24ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 80.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.10ms. Allocated memory is still 140.5MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 879.67ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 78.0MB in the beginning and 97.2MB in the end (delta: -19.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3047.43ms. Allocated memory is still 180.4MB. Free memory was 97.2MB in the beginning and 127.1MB in the end (delta: -29.9MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 180.4MB. Free memory is still 127.1MB. 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 216, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned long int var_1_2 = 2645914509; [L24] signed char var_1_5 = -50; [L25] signed char var_1_6 = 2; [L26] signed char var_1_7 = 5; [L27] float var_1_8 = 64.1; [L28] float var_1_10 = 8.4; [L29] float var_1_11 = 2.75; [L30] float var_1_12 = 0.9; [L31] unsigned long int var_1_14 = 10; [L32] unsigned long int var_1_15 = 2626053835; [L33] float var_1_17 = 64.625; [L34] float var_1_18 = 15.25; [L35] float var_1_19 = 10000000000.375; [L36] float var_1_20 = 0.0; [L37] float var_1_21 = 25.5; [L38] float var_1_22 = 4.5; [L39] float var_1_23 = 255.125; [L40] float var_1_24 = 15.775; [L41] unsigned char var_1_25 = 0; [L42] unsigned char var_1_26 = 0; [L43] unsigned char var_1_27 = 0; [L44] unsigned char var_1_28 = 1; [L45] unsigned char var_1_29 = 0; [L46] unsigned char var_1_30 = 1; [L47] unsigned long int var_1_31 = 10; [L48] unsigned char var_1_33 = 0; [L49] unsigned char var_1_34 = 100; [L50] unsigned long int var_1_35 = 32; [L51] unsigned short int var_1_36 = 128; [L52] unsigned short int var_1_37 = 36168; [L53] unsigned char var_1_38 = 0; [L54] signed short int var_1_39 = -1; [L55] double var_1_40 = 8.7; [L56] signed char last_1_var_1_1 = -16; [L57] unsigned long int last_1_var_1_14 = 10; [L58] float last_1_var_1_17 = 64.625; [L220] isInitial = 1 [L221] FCALL initially() [L222] int k_loop; [L223] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2645914509, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-50, var_1_6=2, var_1_7=5, var_1_8=641/10] [L223] COND TRUE k_loop < 1 [L224] CALL updateLastVariables() [L211] last_1_var_1_1 = var_1_1 [L212] last_1_var_1_14 = var_1_14 [L213] last_1_var_1_17 = var_1_17 [L224] RET updateLastVariables() [L225] CALL updateVariables() [L153] var_1_2 = __VERIFIER_nondet_ulong() [L154] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-50, var_1_6=2, var_1_7=5, var_1_8=641/10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-50, var_1_6=2, var_1_7=5, var_1_8=641/10] [L155] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-50, var_1_6=2, var_1_7=5, var_1_8=641/10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-50, var_1_6=2, var_1_7=5, var_1_8=641/10] [L156] var_1_5 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L158] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L159] var_1_6 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L161] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=5, var_1_8=641/10] [L162] var_1_7 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L164] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=42/5, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L165] var_1_10 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_11=11/4, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L167] var_1_11 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_12=9/10, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L169] var_1_12 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L171] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=2626053835, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L172] var_1_15 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L174] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_18=61/4, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L175] var_1_18 = __VERIFIER_nondet_float() [L176] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L177] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_20=0, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L178] var_1_20 = __VERIFIER_nondet_float() [L179] CALL assume_abort_if_not((var_1_20 >= 2305843.009213691390e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not((var_1_20 >= 2305843.009213691390e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_21=51/2, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L180] var_1_21 = __VERIFIER_nondet_float() [L181] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_22=9/2, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L182] var_1_22 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_23=2041/8, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L184] var_1_23 = __VERIFIER_nondet_float() [L185] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 2305843.009213691390e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 2305843.009213691390e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_24=631/40, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L186] var_1_24 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L188] var_1_26 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L190] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L191] var_1_27 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L193] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L194] var_1_28 = __VERIFIER_nondet_uchar() [L195] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L196] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L197] var_1_29 = __VERIFIER_nondet_uchar() [L198] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L199] CALL assume_abort_if_not(var_1_29 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_29 <= 0) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L200] var_1_30 = __VERIFIER_nondet_uchar() [L201] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L202] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=100, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L203] var_1_34 = __VERIFIER_nondet_uchar() [L204] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L204] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L205] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L205] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=36168, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L206] var_1_37 = __VERIFIER_nondet_ushort() [L207] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=65534, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L207] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=65534, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L208] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=65534, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L20] COND FALSE !(!cond) [L208] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_14=10, var_1_15=4294967293, var_1_17=517/8, var_1_19=80000000003/8, var_1_1=-16, var_1_25=0, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=10, var_1_33=0, var_1_34=63, var_1_35=32, var_1_36=128, var_1_37=65534, var_1_38=0, var_1_39=-1, var_1_40=87/10, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=641/10] [L225] RET updateVariables() [L226] CALL step() [L62] COND TRUE var_1_24 < last_1_var_1_17 [L63] var_1_36 = (var_1_37 - last_1_var_1_14) [L67] signed long int stepLocal_7 = last_1_var_1_1; [L68] COND FALSE !(stepLocal_7 > var_1_7) [L71] var_1_38 = var_1_26 [L73] COND FALSE !(\read(var_1_38)) [L76] COND TRUE \read(var_1_27) [L77] var_1_25 = (! (var_1_26 && var_1_29)) [L82] COND TRUE var_1_11 < var_1_10 [L83] var_1_35 = (var_1_15 - var_1_36) [L91] unsigned char stepLocal_0 = var_1_38; [L92] COND TRUE ((var_1_2 - 16u) != var_1_35) || stepLocal_0 [L93] var_1_1 = (var_1_5 + (var_1_6 - var_1_7)) [L97] COND TRUE \read(var_1_25) [L98] var_1_19 = var_1_11 [L102] var_1_40 = var_1_10 [L103] var_1_39 = var_1_1 [L104] unsigned char stepLocal_6 = var_1_30; [L105] COND FALSE !(\read(var_1_29)) [L112] unsigned char stepLocal_4 = var_1_38; [L113] unsigned char stepLocal_3 = (- var_1_12) != 1.9f; [L114] COND FALSE !(stepLocal_3 || ((var_1_36 * var_1_7) < var_1_33)) [L117] COND FALSE !(stepLocal_4 && var_1_25) [L120] var_1_14 = var_1_15 [L123] COND TRUE (var_1_14 * var_1_14) <= var_1_5 [L124] var_1_31 = ((((var_1_33) > (var_1_15)) ? (var_1_33) : (var_1_15))) [L128] unsigned long int stepLocal_5 = var_1_36 + var_1_15; [L129] COND FALSE !(var_1_12 < (var_1_11 / var_1_18)) [L136] var_1_17 = var_1_11 [L138] unsigned char stepLocal_2 = var_1_25; [L139] unsigned long int stepLocal_1 = var_1_14; [L140] COND FALSE !(\read(var_1_38)) [L145] COND FALSE !(((var_1_11 / var_1_12) == var_1_10) && stepLocal_2) [L148] var_1_8 = 7.6f [L226] RET step() [L227] CALL, EXPR property() [L216-L217] return (((((((((((((((var_1_2 - 16u) != var_1_35) || var_1_38) ? (var_1_1 == ((signed char) (var_1_5 + (var_1_6 - var_1_7)))) : (var_1_1 == ((signed char) (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) < 0 ) ? -((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) : ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))))) && (var_1_38 ? (((8u * (var_1_2 * var_1_7)) >= var_1_14) ? (var_1_8 == ((float) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1) : ((((var_1_11 / var_1_12) == var_1_10) && var_1_25) ? (var_1_8 == ((float) var_1_10)) : (var_1_8 == ((float) 7.6f))))) && ((((- var_1_12) != 1.9f) || ((var_1_36 * var_1_7) < var_1_33)) ? (var_1_14 == ((unsigned long int) ((((var_1_7) < ((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) - var_1_36))) ? (var_1_7) : ((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) - var_1_36)))))) : ((var_1_38 && var_1_25) ? (var_1_14 == ((unsigned long int) var_1_36)) : (var_1_14 == ((unsigned long int) var_1_15))))) && ((var_1_12 < (var_1_11 / var_1_18)) ? (((var_1_7 + ((((var_1_31) > (var_1_33)) ? (var_1_31) : (var_1_33)))) <= (var_1_36 + var_1_15)) ? (var_1_17 == ((float) var_1_10)) : (var_1_17 == ((float) var_1_10))) : (var_1_17 == ((float) var_1_11)))) && (var_1_25 ? (var_1_19 == ((float) var_1_11)) : (var_1_19 == ((float) (((var_1_20 - var_1_21) - (var_1_22 + var_1_23)) + var_1_24))))) && (var_1_38 ? (var_1_25 == ((unsigned char) (((! var_1_26) && var_1_27) && var_1_28))) : (var_1_27 ? (var_1_25 == ((unsigned char) (! (var_1_26 && var_1_29)))) : (var_1_25 == ((unsigned char) (var_1_28 && var_1_30)))))) && (((var_1_14 * var_1_14) <= var_1_5) ? (var_1_31 == ((unsigned long int) ((((var_1_33) > (var_1_15)) ? (var_1_33) : (var_1_15))))) : (var_1_31 == ((unsigned long int) var_1_33)))) && (var_1_29 ? ((var_1_25 && var_1_30) ? (var_1_33 == ((unsigned char) var_1_7)) : (var_1_33 == ((unsigned char) (var_1_6 + (var_1_34 - var_1_7))))) : 1)) && ((var_1_11 < var_1_10) ? (var_1_35 == ((unsigned long int) (var_1_15 - var_1_36))) : (var_1_38 ? (var_1_35 == ((unsigned long int) ((((var_1_15) > (var_1_6)) ? (var_1_15) : (var_1_6))))) : (var_1_35 == ((unsigned long int) var_1_36))))) && ((var_1_24 < last_1_var_1_17) ? (var_1_36 == ((unsigned short int) (var_1_37 - last_1_var_1_14))) : (var_1_36 == ((unsigned short int) (var_1_37 - last_1_var_1_14))))) && ((last_1_var_1_1 > var_1_7) ? (var_1_38 == ((unsigned char) (var_1_30 || var_1_27))) : (var_1_38 == ((unsigned char) var_1_26)))) && (var_1_39 == ((signed short int) var_1_1))) && (var_1_40 == ((double) var_1_10)) ; [L227] RET, EXPR property() [L227] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=2, var_1_11=3, var_1_14=4294967293, var_1_15=4294967293, var_1_17=3, var_1_19=3, var_1_1=-1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=4294967293, var_1_33=0, var_1_34=63, var_1_35=4294901769, var_1_36=65524, var_1_37=65534, var_1_38=0, var_1_39=-1, var_1_40=2, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=38/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=10, last_1_var_1_17=517/8, last_1_var_1_1=-16, var_1_10=2, var_1_11=3, var_1_14=4294967293, var_1_15=4294967293, var_1_17=3, var_1_19=3, var_1_1=-1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=0, var_1_2=2147483649, var_1_30=1, var_1_31=4294967293, var_1_33=0, var_1_34=63, var_1_35=4294901769, var_1_36=65524, var_1_37=65534, var_1_38=0, var_1_39=-1, var_1_40=2, var_1_5=-1, var_1_6=2, var_1_7=2, var_1_8=38/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-12-02 13:54:09,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95a97233755d839b5264e94708e17c406b7a95404e1b69807725bd9192faea5d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:54:10,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:54:11,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:54:11,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:54:11,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:54:11,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:54:11,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:54:11,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:54:11,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:54:11,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:54:11,073 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:54:11,073 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:54:11,074 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:54:11,074 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:54:11,075 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:54:11,075 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:54:11,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:54:11,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:54:11,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:54:11,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:54:11,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:54:11,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:54:11,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:54:11,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:54:11,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:54:11,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:54:11,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:54:11,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:54:11,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:54:11,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:54:11,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:54:11,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:54:11,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:54:11,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:54:11,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:54:11,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:54:11,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:54:11,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:54:11,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:54:11,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:54:11,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:54:11,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:54:11,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:54:11,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:54:11,087 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95a97233755d839b5264e94708e17c406b7a95404e1b69807725bd9192faea5d [2023-12-02 13:54:11,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:54:11,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:54:11,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:54:11,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:54:11,396 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:54:11,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i [2023-12-02 13:54:14,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:54:14,476 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:54:14,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i [2023-12-02 13:54:14,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data/a4dc0f1f5/ebcc2c18478547e7b4e40fbbb6364a2c/FLAGbe9157815 [2023-12-02 13:54:14,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/data/a4dc0f1f5/ebcc2c18478547e7b4e40fbbb6364a2c [2023-12-02 13:54:14,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:54:14,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:54:14,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:54:14,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:54:14,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:54:14,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caca567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14, skipping insertion in model container [2023-12-02 13:54:14,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:54:14,710 WARN L240 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i[916,929] [2023-12-02 13:54:14,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:54:14,807 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:54:14,820 WARN L240 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_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-23.i[916,929] [2023-12-02 13:54:14,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:54:14,884 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:54:14,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14 WrapperNode [2023-12-02 13:54:14,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:54:14,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:54:14,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:54:14,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:54:14,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,944 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232 [2023-12-02 13:54:14,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:54:14,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:54:14,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:54:14,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:54:14,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:14,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:54:14,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:54:14,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:54:14,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:54:14,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (1/1) ... [2023-12-02 13:54:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:54:15,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:54:15,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:54:15,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:54:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:54:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:54:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:54:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:54:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:54:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:54:15,160 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:54:15,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:54:22,632 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:54:22,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:54:22,695 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:54:22,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:22 BoogieIcfgContainer [2023-12-02 13:54:22,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:54:22,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:54:22,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:54:22,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:54:22,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:54:14" (1/3) ... [2023-12-02 13:54:22,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afb3f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:22, skipping insertion in model container [2023-12-02 13:54:22,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:54:14" (2/3) ... [2023-12-02 13:54:22,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afb3f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:54:22, skipping insertion in model container [2023-12-02 13:54:22,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:54:22" (3/3) ... [2023-12-02 13:54:22,705 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-23.i [2023-12-02 13:54:22,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:54:22,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:54:22,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:54:22,785 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f24a971, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:54:22,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:54:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 13:54:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 13:54:22,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:22,809 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:22,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:54:22,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash 572468267, now seen corresponding path program 1 times [2023-12-02 13:54:22,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:54:22,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585559512] [2023-12-02 13:54:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:22,827 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 [2023-12-02 13:54:22,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:54:22,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:54:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:23,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:54:23,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1080 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 13:54:23,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:54:23,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:54:23,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585559512] [2023-12-02 13:54:23,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585559512] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:23,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:23,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:54:23,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904093305] [2023-12-02 13:54:23,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:23,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:54:23,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:54:23,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:54:23,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:54:23,746 INFO L87 Difference]: Start difference. First operand has 93 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 13:54:26,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:26,201 INFO L93 Difference]: Finished difference Result 185 states and 330 transitions. [2023-12-02 13:54:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:54:26,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 219 [2023-12-02 13:54:26,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:26,209 INFO L225 Difference]: With dead ends: 185 [2023-12-02 13:54:26,210 INFO L226 Difference]: Without dead ends: 91 [2023-12-02 13:54:26,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:54:26,215 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:26,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:54:26,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-02 13:54:26,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-12-02 13:54:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 13:54:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 143 transitions. [2023-12-02 13:54:26,261 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 143 transitions. Word has length 219 [2023-12-02 13:54:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:26,261 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 143 transitions. [2023-12-02 13:54:26,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 13:54:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2023-12-02 13:54:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 13:54:26,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:26,268 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:26,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:26,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:26,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:54:26,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:26,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1934338587, now seen corresponding path program 1 times [2023-12-02 13:54:26,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:54:26,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44553776] [2023-12-02 13:54:26,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:26,485 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 [2023-12-02 13:54:26,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:54:26,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:54:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:27,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:54:27,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:30,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-02 13:54:30,302 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:54:30,987 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:54:30,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44553776] [2023-12-02 13:54:30,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44553776] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:54:30,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540615331] [2023-12-02 13:54:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:54:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:54:31,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:54:31,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 13:54:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:31,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:54:31,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 13:54:32,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:54:32,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1540615331] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:32,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:54:32,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-12-02 13:54:32,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389319757] [2023-12-02 13:54:32,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:32,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:54:32,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:54:32,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:54:32,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:54:32,027 INFO L87 Difference]: Start difference. First operand 91 states and 143 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 13:54:34,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:36,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:38,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:40,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:42,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:43,086 INFO L93 Difference]: Finished difference Result 267 states and 419 transitions. [2023-12-02 13:54:43,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:54:43,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 219 [2023-12-02 13:54:43,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:43,092 INFO L225 Difference]: With dead ends: 267 [2023-12-02 13:54:43,092 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 13:54:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-12-02 13:54:43,096 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 172 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:43,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 294 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 5 Unknown, 0 Unchecked, 11.0s Time] [2023-12-02 13:54:43,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 13:54:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 108. [2023-12-02 13:54:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 13:54:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 170 transitions. [2023-12-02 13:54:43,135 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 170 transitions. Word has length 219 [2023-12-02 13:54:43,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:43,138 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 170 transitions. [2023-12-02 13:54:43,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 13:54:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2023-12-02 13:54:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 13:54:43,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:43,143 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:43,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 13:54:43,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:54:43,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:43,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:54:43,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:43,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1926712091, now seen corresponding path program 1 times [2023-12-02 13:54:43,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:54:43,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745646563] [2023-12-02 13:54:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:43,551 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 [2023-12-02 13:54:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:54:43,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:54:43,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:44,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:54:44,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-02 13:54:46,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:54:47,620 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:54:47,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745646563] [2023-12-02 13:54:47,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745646563] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:54:47,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1967416597] [2023-12-02 13:54:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:47,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:54:47,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:54:47,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:54:47,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 13:54:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:48,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:54:48,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 13:54:48,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:54:48,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1967416597] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:48,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:54:48,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2023-12-02 13:54:48,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046807366] [2023-12-02 13:54:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:48,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:54:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:54:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:54:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:54:48,413 INFO L87 Difference]: Start difference. First operand 108 states and 170 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 13:54:50,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:52,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:54,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:54:54,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:54,916 INFO L93 Difference]: Finished difference Result 297 states and 465 transitions. [2023-12-02 13:54:54,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:54:54,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 219 [2023-12-02 13:54:54,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:54,920 INFO L225 Difference]: With dead ends: 297 [2023-12-02 13:54:54,921 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 13:54:54,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:54:54,923 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 120 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:54,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 361 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2023-12-02 13:54:54,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 13:54:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 108. [2023-12-02 13:54:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 71 states have internal predecessors, (97), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 13:54:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 167 transitions. [2023-12-02 13:54:54,943 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 167 transitions. Word has length 219 [2023-12-02 13:54:54,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:54,944 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 167 transitions. [2023-12-02 13:54:54,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 13:54:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2023-12-02 13:54:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 13:54:54,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:54,949 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:54,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:54:55,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 13:54:55,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:54:55,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:54:55,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:55,367 INFO L85 PathProgramCache]: Analyzing trace with hash -654474909, now seen corresponding path program 1 times [2023-12-02 13:54:55,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:54:55,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737493998] [2023-12-02 13:54:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:55,368 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 [2023-12-02 13:54:55,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:54:55,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:54:55,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:54:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:56,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:54:56,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-02 13:54:58,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:54:59,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:54:59,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737493998] [2023-12-02 13:54:59,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737493998] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:54:59,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1186246490] [2023-12-02 13:54:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:59,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:54:59,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:54:59,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:54:59,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 13:55:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:01,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:55:01,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:55:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-02 13:55:03,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:55:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1186246490] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:55:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828105] [2023-12-02 13:55:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:55:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:55:04,418 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:55:04,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 13:55:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:04,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:55:04,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:55:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 718 proven. 84 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-02 13:55:07,384 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:55:07,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828105] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:55:07,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:55:07,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2023-12-02 13:55:07,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361521607] [2023-12-02 13:55:07,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:55:07,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:55:07,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:55:07,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:55:07,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-12-02 13:55:07,874 INFO L87 Difference]: Start difference. First operand 108 states and 167 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 13:55:11,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:13,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:15,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:17,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:19,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:22,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:24,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:26,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:28,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:30,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:32,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:34,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:34,631 INFO L93 Difference]: Finished difference Result 329 states and 505 transitions. [2023-12-02 13:55:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:55:34,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 219 [2023-12-02 13:55:34,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:34,634 INFO L225 Difference]: With dead ends: 329 [2023-12-02 13:55:34,634 INFO L226 Difference]: Without dead ends: 222 [2023-12-02 13:55:34,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-12-02 13:55:34,636 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 131 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 87 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:34,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 638 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 347 Invalid, 12 Unknown, 0 Unchecked, 26.3s Time] [2023-12-02 13:55:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-12-02 13:55:34,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 176. [2023-12-02 13:55:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 102 states have (on average 1.2647058823529411) internal successors, (129), 102 states have internal predecessors, (129), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 13:55:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 269 transitions. [2023-12-02 13:55:34,675 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 269 transitions. Word has length 219 [2023-12-02 13:55:34,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:34,676 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 269 transitions. [2023-12-02 13:55:34,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 13:55:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 269 transitions. [2023-12-02 13:55:34,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 13:55:34,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:34,681 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:34,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 13:55:34,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:55:35,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 13:55:35,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:55:35,285 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:55:35,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1951548645, now seen corresponding path program 1 times [2023-12-02 13:55:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:55:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625234034] [2023-12-02 13:55:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:35,286 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 [2023-12-02 13:55:35,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:55:35,287 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:55:35,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:55:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:36,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:55:36,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:55:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1134 proven. 36 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-12-02 13:55:36,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:55:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 13:55:37,137 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:55:37,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625234034] [2023-12-02 13:55:37,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625234034] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:55:37,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1014762753] [2023-12-02 13:55:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:37,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:55:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:55:37,140 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:55:37,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 13:55:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:38,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:55:39,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:55:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-02 13:55:39,269 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:55:39,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1014762753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:39,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:55:39,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 10 [2023-12-02 13:55:39,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471039569] [2023-12-02 13:55:39,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:39,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:55:39,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:55:39,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:55:39,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:55:39,272 INFO L87 Difference]: Start difference. First operand 176 states and 269 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 13:55:41,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:44,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:46,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:48,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:52,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:54,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:56,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:55:58,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:00,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:02,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:04,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:06,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:08,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:09,368 INFO L93 Difference]: Finished difference Result 587 states and 893 transitions. [2023-12-02 13:56:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 13:56:09,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 219 [2023-12-02 13:56:09,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:09,373 INFO L225 Difference]: With dead ends: 587 [2023-12-02 13:56:09,373 INFO L226 Difference]: Without dead ends: 459 [2023-12-02 13:56:09,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 647 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-12-02 13:56:09,374 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 425 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 322 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:09,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 457 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 270 Invalid, 12 Unknown, 0 Unchecked, 29.9s Time] [2023-12-02 13:56:09,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2023-12-02 13:56:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 266. [2023-12-02 13:56:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 170 states have internal predecessors, (219), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 90 states have call predecessors, (91), 91 states have call successors, (91) [2023-12-02 13:56:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 401 transitions. [2023-12-02 13:56:09,424 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 401 transitions. Word has length 219 [2023-12-02 13:56:09,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:09,425 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 401 transitions. [2023-12-02 13:56:09,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2023-12-02 13:56:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 401 transitions. [2023-12-02 13:56:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-02 13:56:09,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:09,428 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:09,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:56:09,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 13:56:09,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:56:09,829 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:56:09,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:09,829 INFO L85 PathProgramCache]: Analyzing trace with hash 940431395, now seen corresponding path program 1 times [2023-12-02 13:56:09,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:56:09,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122889244] [2023-12-02 13:56:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:09,830 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 [2023-12-02 13:56:09,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:56:09,831 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:56:09,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:56:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:10,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:56:10,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:56:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1134 proven. 36 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-12-02 13:56:11,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:56:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 13:56:11,583 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:56:11,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122889244] [2023-12-02 13:56:11,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122889244] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:56:11,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [824409199] [2023-12-02 13:56:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:11,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:56:11,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:56:11,585 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:56:11,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 13:56:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:13,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:56:13,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:56:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1134 proven. 36 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-12-02 13:56:14,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:56:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 13:56:14,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [824409199] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:56:14,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111161332] [2023-12-02 13:56:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:14,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:56:14,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:56:14,638 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:56:14,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 13:56:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:15,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:56:15,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:56:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1134 proven. 36 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-12-02 13:56:15,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:56:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 13:56:15,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111161332] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:56:15,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 13:56:15,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-12-02 13:56:15,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859850164] [2023-12-02 13:56:15,967 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 13:56:15,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:56:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:56:15,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:56:15,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:56:15,969 INFO L87 Difference]: Start difference. First operand 266 states and 401 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-02 13:56:19,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:21,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:23,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:25,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:27,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:29,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:31,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:56:32,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:32,068 INFO L93 Difference]: Finished difference Result 538 states and 801 transitions. [2023-12-02 13:56:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 13:56:32,069 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 219 [2023-12-02 13:56:32,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:32,073 INFO L225 Difference]: With dead ends: 538 [2023-12-02 13:56:32,073 INFO L226 Difference]: Without dead ends: 345 [2023-12-02 13:56:32,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1320 GetRequests, 1300 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-12-02 13:56:32,075 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 309 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 204 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:32,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 299 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 263 Invalid, 7 Unknown, 0 Unchecked, 15.8s Time] [2023-12-02 13:56:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-12-02 13:56:32,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 256. [2023-12-02 13:56:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 157 states have (on average 1.267515923566879) internal successors, (199), 158 states have internal predecessors, (199), 91 states have call successors, (91), 7 states have call predecessors, (91), 7 states have return successors, (91), 90 states have call predecessors, (91), 91 states have call successors, (91) [2023-12-02 13:56:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 381 transitions. [2023-12-02 13:56:32,108 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 381 transitions. Word has length 219 [2023-12-02 13:56:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:32,108 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 381 transitions. [2023-12-02 13:56:32,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-02 13:56:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 381 transitions. [2023-12-02 13:56:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-02 13:56:32,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:32,110 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:32,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 13:56:32,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:56:32,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 13:56:32,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 13:56:32,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:56:32,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:32,712 INFO L85 PathProgramCache]: Analyzing trace with hash -388053127, now seen corresponding path program 1 times [2023-12-02 13:56:32,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:56:32,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933346890] [2023-12-02 13:56:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:32,713 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 [2023-12-02 13:56:32,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:56:32,713 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:56:32,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc8301f-30ff-4a87-9ff5-5716b9b9ae06/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:56:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:33,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 13:56:33,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:59:44,994 WARN L293 SmtUtils]: Spent 43.60s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:03:54,319 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd c_~var_1_15~0 (bvneg ((_ zero_extend 16) c_~var_1_36~0)))) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (bvsle ((_ zero_extend 24) c_~var_1_26~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_25~0) (not (fp.eq (fp.neg c_~var_1_12~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 19.0 10.0)))) (= c_~var_1_11~0 c_~var_1_17~0) (= c_~var_1_11~0 c_~var_1_19~0) (= c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_33~0 (_ bv0 8)) (not (fp.lt c_~var_1_12~0 (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_18~0))) (= (bvadd (_ bv16 32) c_~var_1_35~0) c_~var_1_2~0) (= c_~var_1_8~0 c_~var_1_10~0) (= (_ bv0 8) (bvadd (_ bv16 8) c_~last_1_var_1_1~0)) (bvsge ((_ zero_extend 24) c_~var_1_27~0) (_ bv1 32)) (= c_~var_1_26~0 c_~var_1_38~0) (= c_~var_1_39~0 ((_ sign_extend 8) c_~var_1_1~0)) (fp.eq (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) c_~var_1_10~0) (= .cse1 c_~var_1_35~0) (fp.lt c_~var_1_11~0 c_~var_1_10~0) (= c_~var_1_36~0 ((_ extract 15 0) (bvadd (bvneg c_~last_1_var_1_14~0) ((_ zero_extend 16) c_~var_1_37~0)))) (let ((.cse2 (bvult .cse0 .cse1))) (or (and (not .cse2) (= .cse1 c_~var_1_14~0)) (and .cse2 (= .cse0 c_~var_1_14~0)))) (= c_~var_1_15~0 c_~var_1_31~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_10~0 .cse3) (fp.geq c_~var_1_10~0 .cse4)) (and (fp.geq c_~var_1_10~0 (fp.neg .cse3)) (fp.leq c_~var_1_10~0 (fp.neg .cse4))))) (bvsge .cse0 (_ bv0 32)) (bvsle ((_ zero_extend 24) c_~var_1_29~0) (_ bv0 32)) (bvule (bvmul c_~var_1_14~0 c_~var_1_14~0) ((_ sign_extend 24) c_~var_1_5~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 14:03:56,399 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd c_~var_1_15~0 (bvneg ((_ zero_extend 16) c_~var_1_36~0)))) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (bvsle ((_ zero_extend 24) c_~var_1_26~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_25~0) (not (fp.eq (fp.neg c_~var_1_12~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 19.0 10.0)))) (= c_~var_1_11~0 c_~var_1_17~0) (= c_~var_1_11~0 c_~var_1_19~0) (= c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_33~0 (_ bv0 8)) (not (fp.lt c_~var_1_12~0 (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_18~0))) (= (bvadd (_ bv16 32) c_~var_1_35~0) c_~var_1_2~0) (= c_~var_1_8~0 c_~var_1_10~0) (= (_ bv0 8) (bvadd (_ bv16 8) c_~last_1_var_1_1~0)) (bvsge ((_ zero_extend 24) c_~var_1_27~0) (_ bv1 32)) (= c_~var_1_26~0 c_~var_1_38~0) (= c_~var_1_39~0 ((_ sign_extend 8) c_~var_1_1~0)) (fp.eq (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) c_~var_1_10~0) (= .cse1 c_~var_1_35~0) (fp.lt c_~var_1_11~0 c_~var_1_10~0) (= c_~var_1_36~0 ((_ extract 15 0) (bvadd (bvneg c_~last_1_var_1_14~0) ((_ zero_extend 16) c_~var_1_37~0)))) (let ((.cse2 (bvult .cse0 .cse1))) (or (and (not .cse2) (= .cse1 c_~var_1_14~0)) (and .cse2 (= .cse0 c_~var_1_14~0)))) (= c_~var_1_15~0 c_~var_1_31~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_10~0 .cse3) (fp.geq c_~var_1_10~0 .cse4)) (and (fp.geq c_~var_1_10~0 (fp.neg .cse3)) (fp.leq c_~var_1_10~0 (fp.neg .cse4))))) (bvsge .cse0 (_ bv0 32)) (bvsle ((_ zero_extend 24) c_~var_1_29~0) (_ bv0 32)) (bvule (bvmul c_~var_1_14~0 c_~var_1_14~0) ((_ sign_extend 24) c_~var_1_5~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true